1 /*M///////////////////////////////////////////////////////////////////////////////////////
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3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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5 // By downloading, copying, installing or using the software you agree to this license.
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6 // If you do not agree to this license, do not download, install,
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7 // copy or use the software.
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10 // License Agreement
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11 // For Open Source Computer Vision Library
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13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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15 // Third party copyrights are property of their respective owners.
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17 // Redistribution and use in source and binary forms, with or without modification,
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18 // are permitted provided that the following conditions are met:
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20 // * Redistribution's of source code must retain the above copyright notice,
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21 // this list of conditions and the following disclaimer.
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23 // * Redistribution's in binary form must reproduce the above copyright notice,
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24 // this list of conditions and the following disclaimer in the documentation
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25 // and/or other materials provided with the distribution.
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27 // * The name of the copyright holders may not be used to endorse or promote products
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28 // derived from this software without specific prior written permission.
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30 // This software is provided by the copyright holders and contributors "as is" and
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31 // any express or implied warranties, including, but not limited to, the implied
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32 // warranties of merchantability and fitness for a particular purpose are disclaimed.
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33 // In no event shall the Intel Corporation or contributors be liable for any direct,
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35 // (including, but not limited to, procurement of substitute goods or services;
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36 // loss of use, data, or profits; or business interruption) however caused
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38 // or tort (including negligence or otherwise) arising in any way out of
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39 // the use of this software, even if advised of the possibility of such damage.
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43 #include "precomp.hpp"
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46 using namespace cv::gpu;
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48 #if !defined (HAVE_CUDA)
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50 void cv::gpu::remap(const GpuMat&, GpuMat&, const GpuMat&, const GpuMat&){ throw_nogpu(); }
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51 void cv::gpu::meanShiftFiltering(const GpuMat&, GpuMat&, int, int, TermCriteria) { throw_nogpu(); }
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52 void cv::gpu::meanShiftProc(const GpuMat&, GpuMat&, GpuMat&, int, int, TermCriteria) { throw_nogpu(); }
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53 void cv::gpu::drawColorDisp(const GpuMat&, GpuMat&, int, Stream&) { throw_nogpu(); }
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54 void cv::gpu::reprojectImageTo3D(const GpuMat&, GpuMat&, const Mat&, Stream&) { throw_nogpu(); }
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55 void cv::gpu::resize(const GpuMat&, GpuMat&, Size, double, double, int, Stream&) { throw_nogpu(); }
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56 void cv::gpu::copyMakeBorder(const GpuMat&, GpuMat&, int, int, int, int, const Scalar&, Stream&) { throw_nogpu(); }
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57 void cv::gpu::warpAffine(const GpuMat&, GpuMat&, const Mat&, Size, int, Stream&) { throw_nogpu(); }
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58 void cv::gpu::warpPerspective(const GpuMat&, GpuMat&, const Mat&, Size, int, Stream&) { throw_nogpu(); }
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59 void cv::gpu::buildWarpPlaneMaps(Size, Rect, const Mat&, double, double, double, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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60 void cv::gpu::buildWarpCylindricalMaps(Size, Rect, const Mat&, double, double, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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61 void cv::gpu::buildWarpSphericalMaps(Size, Rect, const Mat&, double, double, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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62 void cv::gpu::rotate(const GpuMat&, GpuMat&, Size, double, double, double, int, Stream&) { throw_nogpu(); }
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63 void cv::gpu::integral(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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64 void cv::gpu::integralBuffered(const GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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65 void cv::gpu::integral(const GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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66 void cv::gpu::sqrIntegral(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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67 void cv::gpu::columnSum(const GpuMat&, GpuMat&) { throw_nogpu(); }
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68 void cv::gpu::rectStdDev(const GpuMat&, const GpuMat&, GpuMat&, const Rect&, Stream&) { throw_nogpu(); }
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69 void cv::gpu::evenLevels(GpuMat&, int, int, int) { throw_nogpu(); }
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70 void cv::gpu::histEven(const GpuMat&, GpuMat&, int, int, int, Stream&) { throw_nogpu(); }
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71 void cv::gpu::histEven(const GpuMat&, GpuMat&, GpuMat&, int, int, int, Stream&) { throw_nogpu(); }
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72 void cv::gpu::histEven(const GpuMat&, GpuMat*, int*, int*, int*, Stream&) { throw_nogpu(); }
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73 void cv::gpu::histEven(const GpuMat&, GpuMat*, GpuMat&, int*, int*, int*, Stream&) { throw_nogpu(); }
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74 void cv::gpu::histRange(const GpuMat&, GpuMat&, const GpuMat&, Stream&) { throw_nogpu(); }
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75 void cv::gpu::histRange(const GpuMat&, GpuMat&, const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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76 void cv::gpu::histRange(const GpuMat&, GpuMat*, const GpuMat*, Stream&) { throw_nogpu(); }
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77 void cv::gpu::histRange(const GpuMat&, GpuMat*, const GpuMat*, GpuMat&, Stream&) { throw_nogpu(); }
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78 void cv::gpu::calcHist(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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79 void cv::gpu::calcHist(const GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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80 void cv::gpu::equalizeHist(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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81 void cv::gpu::equalizeHist(const GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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82 void cv::gpu::equalizeHist(const GpuMat&, GpuMat&, GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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83 void cv::gpu::cornerHarris(const GpuMat&, GpuMat&, int, int, double, int) { throw_nogpu(); }
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84 void cv::gpu::cornerHarris(const GpuMat&, GpuMat&, GpuMat&, GpuMat&, int, int, double, int) { throw_nogpu(); }
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85 void cv::gpu::cornerMinEigenVal(const GpuMat&, GpuMat&, int, int, int) { throw_nogpu(); }
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86 void cv::gpu::cornerMinEigenVal(const GpuMat&, GpuMat&, GpuMat&, GpuMat&, int, int, int) { throw_nogpu(); }
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87 void cv::gpu::mulSpectrums(const GpuMat&, const GpuMat&, GpuMat&, int, bool) { throw_nogpu(); }
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88 void cv::gpu::mulAndScaleSpectrums(const GpuMat&, const GpuMat&, GpuMat&, int, float, bool) { throw_nogpu(); }
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89 void cv::gpu::dft(const GpuMat&, GpuMat&, Size, int) { throw_nogpu(); }
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90 void cv::gpu::ConvolveBuf::create(Size, Size) { throw_nogpu(); }
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91 void cv::gpu::convolve(const GpuMat&, const GpuMat&, GpuMat&, bool) { throw_nogpu(); }
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92 void cv::gpu::convolve(const GpuMat&, const GpuMat&, GpuMat&, bool, ConvolveBuf&) { throw_nogpu(); }
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93 void cv::gpu::downsample(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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94 void cv::gpu::upsample(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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95 void cv::gpu::pyrDown(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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96 void cv::gpu::pyrUp(const GpuMat&, GpuMat&, Stream&) { throw_nogpu(); }
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97 void cv::gpu::Canny(const GpuMat&, GpuMat&, double, double, int, bool) { throw_nogpu(); }
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98 void cv::gpu::Canny(const GpuMat&, CannyBuf&, GpuMat&, double, double, int, bool) { throw_nogpu(); }
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99 void cv::gpu::Canny(const GpuMat&, const GpuMat&, GpuMat&, double, double, bool) { throw_nogpu(); }
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100 void cv::gpu::Canny(const GpuMat&, const GpuMat&, CannyBuf&, GpuMat&, double, double, bool) { throw_nogpu(); }
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101 cv::gpu::CannyBuf::CannyBuf(const GpuMat&, const GpuMat&) { throw_nogpu(); }
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102 void cv::gpu::CannyBuf::create(const Size&, int) { throw_nogpu(); }
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103 void cv::gpu::CannyBuf::release() { throw_nogpu(); }
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105 #else /* !defined (HAVE_CUDA) */
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107 namespace cv { namespace gpu { namespace imgproc
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109 void remap_gpu_1c(const DevMem2D& src, const DevMem2Df& xmap, const DevMem2Df& ymap, DevMem2D dst);
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110 void remap_gpu_3c(const DevMem2D& src, const DevMem2Df& xmap, const DevMem2Df& ymap, DevMem2D dst);
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112 extern "C" void meanShiftFiltering_gpu(const DevMem2D& src, DevMem2D dst, int sp, int sr, int maxIter, float eps);
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113 extern "C" void meanShiftProc_gpu(const DevMem2D& src, DevMem2D dstr, DevMem2D dstsp, int sp, int sr, int maxIter, float eps);
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115 void drawColorDisp_gpu(const DevMem2D& src, const DevMem2D& dst, int ndisp, const cudaStream_t& stream);
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116 void drawColorDisp_gpu(const DevMem2D_<short>& src, const DevMem2D& dst, int ndisp, const cudaStream_t& stream);
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118 void reprojectImageTo3D_gpu(const DevMem2D& disp, const DevMem2Df& xyzw, const float* q, const cudaStream_t& stream);
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119 void reprojectImageTo3D_gpu(const DevMem2D_<short>& disp, const DevMem2Df& xyzw, const float* q, const cudaStream_t& stream);
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122 ////////////////////////////////////////////////////////////////////////
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125 void cv::gpu::remap(const GpuMat& src, GpuMat& dst, const GpuMat& xmap, const GpuMat& ymap)
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127 typedef void (*remap_gpu_t)(const DevMem2D& src, const DevMem2Df& xmap, const DevMem2Df& ymap, DevMem2D dst);
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128 static const remap_gpu_t callers[] = {imgproc::remap_gpu_1c, 0, imgproc::remap_gpu_3c};
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130 CV_Assert((src.type() == CV_8U || src.type() == CV_8UC3) && xmap.type() == CV_32F && ymap.type() == CV_32F);
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132 dst.create(xmap.size(), src.type());
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134 callers[src.channels() - 1](src, xmap, ymap, dst);
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137 ////////////////////////////////////////////////////////////////////////
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138 // meanShiftFiltering_GPU
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140 void cv::gpu::meanShiftFiltering(const GpuMat& src, GpuMat& dst, int sp, int sr, TermCriteria criteria)
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143 CV_Error( CV_StsBadArg, "The input image is empty" );
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145 if( src.depth() != CV_8U || src.channels() != 4 )
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146 CV_Error( CV_StsUnsupportedFormat, "Only 8-bit, 4-channel images are supported" );
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148 dst.create( src.size(), CV_8UC4 );
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150 if( !(criteria.type & TermCriteria::MAX_ITER) )
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151 criteria.maxCount = 5;
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153 int maxIter = std::min(std::max(criteria.maxCount, 1), 100);
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156 if( !(criteria.type & TermCriteria::EPS) )
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158 eps = (float)std::max(criteria.epsilon, 0.0);
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160 imgproc::meanShiftFiltering_gpu(src, dst, sp, sr, maxIter, eps);
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163 ////////////////////////////////////////////////////////////////////////
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164 // meanShiftProc_GPU
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166 void cv::gpu::meanShiftProc(const GpuMat& src, GpuMat& dstr, GpuMat& dstsp, int sp, int sr, TermCriteria criteria)
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169 CV_Error( CV_StsBadArg, "The input image is empty" );
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171 if( src.depth() != CV_8U || src.channels() != 4 )
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172 CV_Error( CV_StsUnsupportedFormat, "Only 8-bit, 4-channel images are supported" );
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174 dstr.create( src.size(), CV_8UC4 );
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175 dstsp.create( src.size(), CV_16SC2 );
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177 if( !(criteria.type & TermCriteria::MAX_ITER) )
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178 criteria.maxCount = 5;
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180 int maxIter = std::min(std::max(criteria.maxCount, 1), 100);
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183 if( !(criteria.type & TermCriteria::EPS) )
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185 eps = (float)std::max(criteria.epsilon, 0.0);
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187 imgproc::meanShiftProc_gpu(src, dstr, dstsp, sp, sr, maxIter, eps);
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190 ////////////////////////////////////////////////////////////////////////
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195 template <typename T>
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196 void drawColorDisp_caller(const GpuMat& src, GpuMat& dst, int ndisp, const cudaStream_t& stream)
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198 dst.create(src.size(), CV_8UC4);
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200 imgproc::drawColorDisp_gpu((DevMem2D_<T>)src, dst, ndisp, stream);
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203 typedef void (*drawColorDisp_caller_t)(const GpuMat& src, GpuMat& dst, int ndisp, const cudaStream_t& stream);
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205 const drawColorDisp_caller_t drawColorDisp_callers[] = {drawColorDisp_caller<unsigned char>, 0, 0, drawColorDisp_caller<short>, 0, 0, 0, 0};
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208 void cv::gpu::drawColorDisp(const GpuMat& src, GpuMat& dst, int ndisp, Stream& stream)
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210 CV_Assert(src.type() == CV_8U || src.type() == CV_16S);
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212 drawColorDisp_callers[src.type()](src, dst, ndisp, StreamAccessor::getStream(stream));
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215 ////////////////////////////////////////////////////////////////////////
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216 // reprojectImageTo3D
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220 template <typename T>
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221 void reprojectImageTo3D_caller(const GpuMat& disp, GpuMat& xyzw, const Mat& Q, const cudaStream_t& stream)
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223 xyzw.create(disp.rows, disp.cols, CV_32FC4);
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224 imgproc::reprojectImageTo3D_gpu((DevMem2D_<T>)disp, xyzw, Q.ptr<float>(), stream);
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227 typedef void (*reprojectImageTo3D_caller_t)(const GpuMat& disp, GpuMat& xyzw, const Mat& Q, const cudaStream_t& stream);
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229 const reprojectImageTo3D_caller_t reprojectImageTo3D_callers[] = {reprojectImageTo3D_caller<unsigned char>, 0, 0, reprojectImageTo3D_caller<short>, 0, 0, 0, 0};
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232 void cv::gpu::reprojectImageTo3D(const GpuMat& disp, GpuMat& xyzw, const Mat& Q, Stream& stream)
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234 CV_Assert((disp.type() == CV_8U || disp.type() == CV_16S) && Q.type() == CV_32F && Q.rows == 4 && Q.cols == 4);
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236 reprojectImageTo3D_callers[disp.type()](disp, xyzw, Q, StreamAccessor::getStream(stream));
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239 ////////////////////////////////////////////////////////////////////////
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242 void cv::gpu::resize(const GpuMat& src, GpuMat& dst, Size dsize, double fx, double fy, int interpolation, Stream& s)
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244 static const int npp_inter[] = {NPPI_INTER_NN, NPPI_INTER_LINEAR/*, NPPI_INTER_CUBIC, 0, NPPI_INTER_LANCZOS*/};
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246 CV_Assert(src.type() == CV_8UC1 || src.type() == CV_8UC4);
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247 CV_Assert(interpolation == INTER_NEAREST || interpolation == INTER_LINEAR/* || interpolation == INTER_CUBIC || interpolation == INTER_LANCZOS4*/);
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249 CV_Assert( src.size().area() > 0 );
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250 CV_Assert( !(dsize == Size()) || (fx > 0 && fy > 0) );
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252 if( dsize == Size() )
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254 dsize = Size(saturate_cast<int>(src.cols * fx), saturate_cast<int>(src.rows * fy));
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258 fx = (double)dsize.width / src.cols;
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259 fy = (double)dsize.height / src.rows;
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262 dst.create(dsize, src.type());
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265 srcsz.width = src.cols;
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266 srcsz.height = src.rows;
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268 srcrect.x = srcrect.y = 0;
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269 srcrect.width = src.cols;
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270 srcrect.height = src.rows;
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272 dstsz.width = dst.cols;
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273 dstsz.height = dst.rows;
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275 cudaStream_t stream = StreamAccessor::getStream(s);
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277 NppStreamHandler h(stream);
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279 if (src.type() == CV_8UC1)
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281 nppSafeCall( nppiResize_8u_C1R(src.ptr<Npp8u>(), srcsz, static_cast<int>(src.step), srcrect,
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282 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstsz, fx, fy, npp_inter[interpolation]) );
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286 nppSafeCall( nppiResize_8u_C4R(src.ptr<Npp8u>(), srcsz, static_cast<int>(src.step), srcrect,
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287 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstsz, fx, fy, npp_inter[interpolation]) );
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291 cudaSafeCall( cudaDeviceSynchronize() );
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294 ////////////////////////////////////////////////////////////////////////
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297 void cv::gpu::copyMakeBorder(const GpuMat& src, GpuMat& dst, int top, int bottom, int left, int right, const Scalar& value, Stream& s)
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299 CV_Assert(src.type() == CV_8UC1 || src.type() == CV_8UC4 || src.type() == CV_32SC1 || src.type() == CV_32FC1);
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301 dst.create(src.rows + top + bottom, src.cols + left + right, src.type());
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304 srcsz.width = src.cols;
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305 srcsz.height = src.rows;
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307 dstsz.width = dst.cols;
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308 dstsz.height = dst.rows;
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310 cudaStream_t stream = StreamAccessor::getStream(s);
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312 NppStreamHandler h(stream);
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314 switch (src.type())
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318 Npp8u nVal = static_cast<Npp8u>(value[0]);
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319 nppSafeCall( nppiCopyConstBorder_8u_C1R(src.ptr<Npp8u>(), static_cast<int>(src.step), srcsz,
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320 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstsz, top, left, nVal) );
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325 Npp8u nVal[] = {static_cast<Npp8u>(value[0]), static_cast<Npp8u>(value[1]), static_cast<Npp8u>(value[2]), static_cast<Npp8u>(value[3])};
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326 nppSafeCall( nppiCopyConstBorder_8u_C4R(src.ptr<Npp8u>(), static_cast<int>(src.step), srcsz,
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327 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstsz, top, left, nVal) );
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332 Npp32s nVal = static_cast<Npp32s>(value[0]);
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333 nppSafeCall( nppiCopyConstBorder_32s_C1R(src.ptr<Npp32s>(), static_cast<int>(src.step), srcsz,
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334 dst.ptr<Npp32s>(), static_cast<int>(dst.step), dstsz, top, left, nVal) );
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339 Npp32f val = static_cast<Npp32f>(value[0]);
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340 Npp32s nVal = *(reinterpret_cast<Npp32s*>(&val));
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341 nppSafeCall( nppiCopyConstBorder_32s_C1R(src.ptr<Npp32s>(), static_cast<int>(src.step), srcsz,
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342 dst.ptr<Npp32s>(), static_cast<int>(dst.step), dstsz, top, left, nVal) );
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346 CV_Assert(!"Unsupported source type");
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350 cudaSafeCall( cudaDeviceSynchronize() );
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353 ////////////////////////////////////////////////////////////////////////
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358 typedef NppStatus (*npp_warp_8u_t)(const Npp8u* pSrc, NppiSize srcSize, int srcStep, NppiRect srcRoi, Npp8u* pDst,
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359 int dstStep, NppiRect dstRoi, const double coeffs[][3],
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360 int interpolation);
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361 typedef NppStatus (*npp_warp_16u_t)(const Npp16u* pSrc, NppiSize srcSize, int srcStep, NppiRect srcRoi, Npp16u* pDst,
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362 int dstStep, NppiRect dstRoi, const double coeffs[][3],
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363 int interpolation);
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364 typedef NppStatus (*npp_warp_32s_t)(const Npp32s* pSrc, NppiSize srcSize, int srcStep, NppiRect srcRoi, Npp32s* pDst,
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365 int dstStep, NppiRect dstRoi, const double coeffs[][3],
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366 int interpolation);
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367 typedef NppStatus (*npp_warp_32f_t)(const Npp32f* pSrc, NppiSize srcSize, int srcStep, NppiRect srcRoi, Npp32f* pDst,
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368 int dstStep, NppiRect dstRoi, const double coeffs[][3],
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369 int interpolation);
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371 void nppWarpCaller(const GpuMat& src, GpuMat& dst, double coeffs[][3], const Size& dsize, int flags,
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372 npp_warp_8u_t npp_warp_8u[][2], npp_warp_16u_t npp_warp_16u[][2],
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373 npp_warp_32s_t npp_warp_32s[][2], npp_warp_32f_t npp_warp_32f[][2], cudaStream_t stream)
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375 static const int npp_inter[] = {NPPI_INTER_NN, NPPI_INTER_LINEAR, NPPI_INTER_CUBIC};
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377 int interpolation = flags & INTER_MAX;
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379 CV_Assert((src.depth() == CV_8U || src.depth() == CV_16U || src.depth() == CV_32S || src.depth() == CV_32F) && src.channels() != 2);
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380 CV_Assert(interpolation == INTER_NEAREST || interpolation == INTER_LINEAR || interpolation == INTER_CUBIC);
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382 dst.create(dsize, src.type());
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385 srcsz.height = src.rows;
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386 srcsz.width = src.cols;
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388 srcroi.x = srcroi.y = 0;
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389 srcroi.height = src.rows;
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390 srcroi.width = src.cols;
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392 dstroi.x = dstroi.y = 0;
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393 dstroi.height = dst.rows;
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394 dstroi.width = dst.cols;
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396 int warpInd = (flags & WARP_INVERSE_MAP) >> 4;
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398 NppStreamHandler h(stream);
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400 switch (src.depth())
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403 nppSafeCall( npp_warp_8u[src.channels()][warpInd](src.ptr<Npp8u>(), srcsz, static_cast<int>(src.step), srcroi,
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404 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstroi, coeffs, npp_inter[interpolation]) );
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407 nppSafeCall( npp_warp_16u[src.channels()][warpInd](src.ptr<Npp16u>(), srcsz, static_cast<int>(src.step), srcroi,
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408 dst.ptr<Npp16u>(), static_cast<int>(dst.step), dstroi, coeffs, npp_inter[interpolation]) );
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411 nppSafeCall( npp_warp_32s[src.channels()][warpInd](src.ptr<Npp32s>(), srcsz, static_cast<int>(src.step), srcroi,
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412 dst.ptr<Npp32s>(), static_cast<int>(dst.step), dstroi, coeffs, npp_inter[interpolation]) );
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415 nppSafeCall( npp_warp_32f[src.channels()][warpInd](src.ptr<Npp32f>(), srcsz, static_cast<int>(src.step), srcroi,
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416 dst.ptr<Npp32f>(), static_cast<int>(dst.step), dstroi, coeffs, npp_inter[interpolation]) );
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419 CV_Assert(!"Unsupported source type");
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423 cudaSafeCall( cudaDeviceSynchronize() );
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427 void cv::gpu::warpAffine(const GpuMat& src, GpuMat& dst, const Mat& M, Size dsize, int flags, Stream& s)
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429 static npp_warp_8u_t npp_warpAffine_8u[][2] =
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432 {nppiWarpAffine_8u_C1R, nppiWarpAffineBack_8u_C1R},
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434 {nppiWarpAffine_8u_C3R, nppiWarpAffineBack_8u_C3R},
\r
435 {nppiWarpAffine_8u_C4R, nppiWarpAffineBack_8u_C4R}
\r
437 static npp_warp_16u_t npp_warpAffine_16u[][2] =
\r
440 {nppiWarpAffine_16u_C1R, nppiWarpAffineBack_16u_C1R},
\r
442 {nppiWarpAffine_16u_C3R, nppiWarpAffineBack_16u_C3R},
\r
443 {nppiWarpAffine_16u_C4R, nppiWarpAffineBack_16u_C4R}
\r
445 static npp_warp_32s_t npp_warpAffine_32s[][2] =
\r
448 {nppiWarpAffine_32s_C1R, nppiWarpAffineBack_32s_C1R},
\r
450 {nppiWarpAffine_32s_C3R, nppiWarpAffineBack_32s_C3R},
\r
451 {nppiWarpAffine_32s_C4R, nppiWarpAffineBack_32s_C4R}
\r
453 static npp_warp_32f_t npp_warpAffine_32f[][2] =
\r
456 {nppiWarpAffine_32f_C1R, nppiWarpAffineBack_32f_C1R},
\r
458 {nppiWarpAffine_32f_C3R, nppiWarpAffineBack_32f_C3R},
\r
459 {nppiWarpAffine_32f_C4R, nppiWarpAffineBack_32f_C4R}
\r
462 CV_Assert(M.rows == 2 && M.cols == 3);
\r
464 double coeffs[2][3];
\r
465 Mat coeffsMat(2, 3, CV_64F, (void*)coeffs);
\r
466 M.convertTo(coeffsMat, coeffsMat.type());
\r
468 nppWarpCaller(src, dst, coeffs, dsize, flags, npp_warpAffine_8u, npp_warpAffine_16u, npp_warpAffine_32s, npp_warpAffine_32f, StreamAccessor::getStream(s));
\r
471 void cv::gpu::warpPerspective(const GpuMat& src, GpuMat& dst, const Mat& M, Size dsize, int flags, Stream& s)
\r
473 static npp_warp_8u_t npp_warpPerspective_8u[][2] =
\r
476 {nppiWarpPerspective_8u_C1R, nppiWarpPerspectiveBack_8u_C1R},
\r
478 {nppiWarpPerspective_8u_C3R, nppiWarpPerspectiveBack_8u_C3R},
\r
479 {nppiWarpPerspective_8u_C4R, nppiWarpPerspectiveBack_8u_C4R}
\r
481 static npp_warp_16u_t npp_warpPerspective_16u[][2] =
\r
484 {nppiWarpPerspective_16u_C1R, nppiWarpPerspectiveBack_16u_C1R},
\r
486 {nppiWarpPerspective_16u_C3R, nppiWarpPerspectiveBack_16u_C3R},
\r
487 {nppiWarpPerspective_16u_C4R, nppiWarpPerspectiveBack_16u_C4R}
\r
489 static npp_warp_32s_t npp_warpPerspective_32s[][2] =
\r
492 {nppiWarpPerspective_32s_C1R, nppiWarpPerspectiveBack_32s_C1R},
\r
494 {nppiWarpPerspective_32s_C3R, nppiWarpPerspectiveBack_32s_C3R},
\r
495 {nppiWarpPerspective_32s_C4R, nppiWarpPerspectiveBack_32s_C4R}
\r
497 static npp_warp_32f_t npp_warpPerspective_32f[][2] =
\r
500 {nppiWarpPerspective_32f_C1R, nppiWarpPerspectiveBack_32f_C1R},
\r
502 {nppiWarpPerspective_32f_C3R, nppiWarpPerspectiveBack_32f_C3R},
\r
503 {nppiWarpPerspective_32f_C4R, nppiWarpPerspectiveBack_32f_C4R}
\r
506 CV_Assert(M.rows == 3 && M.cols == 3);
\r
508 double coeffs[3][3];
\r
509 Mat coeffsMat(3, 3, CV_64F, (void*)coeffs);
\r
510 M.convertTo(coeffsMat, coeffsMat.type());
\r
512 nppWarpCaller(src, dst, coeffs, dsize, flags, npp_warpPerspective_8u, npp_warpPerspective_16u, npp_warpPerspective_32s, npp_warpPerspective_32f, StreamAccessor::getStream(s));
\r
515 //////////////////////////////////////////////////////////////////////////////
\r
516 // buildWarpPlaneMaps
\r
518 namespace cv { namespace gpu { namespace imgproc
\r
520 void buildWarpPlaneMaps(int tl_u, int tl_v, DevMem2Df map_x, DevMem2Df map_y,
\r
521 const float r[9], const float rinv[9], float f, float s, float dist,
\r
522 float half_w, float half_h, cudaStream_t stream);
\r
525 void cv::gpu::buildWarpPlaneMaps(Size src_size, Rect dst_roi, const Mat& R, double f, double s,
\r
526 double dist, GpuMat& map_x, GpuMat& map_y, Stream& stream)
\r
528 CV_Assert(R.size() == Size(3,3) && R.isContinuous() && R.type() == CV_32F);
\r
529 Mat Rinv = R.inv();
\r
530 CV_Assert(Rinv.isContinuous());
\r
532 map_x.create(dst_roi.size(), CV_32F);
\r
533 map_y.create(dst_roi.size(), CV_32F);
\r
534 imgproc::buildWarpPlaneMaps(dst_roi.tl().x, dst_roi.tl().y, map_x, map_y, R.ptr<float>(), Rinv.ptr<float>(),
\r
535 static_cast<float>(f), static_cast<float>(s), static_cast<float>(dist),
\r
536 0.5f*src_size.width, 0.5f*src_size.height, StreamAccessor::getStream(stream));
\r
539 //////////////////////////////////////////////////////////////////////////////
\r
540 // buildWarpCylyndricalMaps
\r
542 namespace cv { namespace gpu { namespace imgproc
\r
544 void buildWarpCylindricalMaps(int tl_u, int tl_v, DevMem2Df map_x, DevMem2Df map_y,
\r
545 const float r[9], const float rinv[9], float f, float s,
\r
546 float half_w, float half_h, cudaStream_t stream);
\r
549 void cv::gpu::buildWarpCylindricalMaps(Size src_size, Rect dst_roi, const Mat& R, double f, double s,
\r
550 GpuMat& map_x, GpuMat& map_y, Stream& stream)
\r
552 CV_Assert(R.size() == Size(3,3) && R.isContinuous() && R.type() == CV_32F);
\r
553 Mat Rinv = R.inv();
\r
554 CV_Assert(Rinv.isContinuous());
\r
556 map_x.create(dst_roi.size(), CV_32F);
\r
557 map_y.create(dst_roi.size(), CV_32F);
\r
558 imgproc::buildWarpCylindricalMaps(dst_roi.tl().x, dst_roi.tl().y, map_x, map_y, R.ptr<float>(), Rinv.ptr<float>(),
\r
559 static_cast<float>(f), static_cast<float>(s), 0.5f*src_size.width, 0.5f*src_size.height,
\r
560 StreamAccessor::getStream(stream));
\r
564 //////////////////////////////////////////////////////////////////////////////
\r
565 // buildWarpSphericalMaps
\r
567 namespace cv { namespace gpu { namespace imgproc
\r
569 void buildWarpSphericalMaps(int tl_u, int tl_v, DevMem2Df map_x, DevMem2Df map_y,
\r
570 const float r[9], const float rinv[9], float f, float s,
\r
571 float half_w, float half_h, cudaStream_t stream);
\r
574 void cv::gpu::buildWarpSphericalMaps(Size src_size, Rect dst_roi, const Mat& R, double f, double s,
\r
575 GpuMat& map_x, GpuMat& map_y, Stream& stream)
\r
577 CV_Assert(R.size() == Size(3,3) && R.isContinuous() && R.type() == CV_32F);
\r
578 Mat Rinv = R.inv();
\r
579 CV_Assert(Rinv.isContinuous());
\r
581 map_x.create(dst_roi.size(), CV_32F);
\r
582 map_y.create(dst_roi.size(), CV_32F);
\r
583 imgproc::buildWarpSphericalMaps(dst_roi.tl().x, dst_roi.tl().y, map_x, map_y, R.ptr<float>(), Rinv.ptr<float>(),
\r
584 static_cast<float>(f), static_cast<float>(s), 0.5f*src_size.width, 0.5f*src_size.height,
\r
585 StreamAccessor::getStream(stream));
\r
588 ////////////////////////////////////////////////////////////////////////
\r
591 void cv::gpu::rotate(const GpuMat& src, GpuMat& dst, Size dsize, double angle, double xShift, double yShift, int interpolation, Stream& s)
\r
593 static const int npp_inter[] = {NPPI_INTER_NN, NPPI_INTER_LINEAR, NPPI_INTER_CUBIC};
\r
595 CV_Assert(src.type() == CV_8UC1 || src.type() == CV_8UC4);
\r
596 CV_Assert(interpolation == INTER_NEAREST || interpolation == INTER_LINEAR || interpolation == INTER_CUBIC);
\r
598 dst.create(dsize, src.type());
\r
601 srcsz.height = src.rows;
\r
602 srcsz.width = src.cols;
\r
604 srcroi.x = srcroi.y = 0;
\r
605 srcroi.height = src.rows;
\r
606 srcroi.width = src.cols;
\r
608 dstroi.x = dstroi.y = 0;
\r
609 dstroi.height = dst.rows;
\r
610 dstroi.width = dst.cols;
\r
612 cudaStream_t stream = StreamAccessor::getStream(s);
\r
614 NppStreamHandler h(stream);
\r
616 if (src.type() == CV_8UC1)
\r
618 nppSafeCall( nppiRotate_8u_C1R(src.ptr<Npp8u>(), srcsz, static_cast<int>(src.step), srcroi,
\r
619 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstroi, angle, xShift, yShift, npp_inter[interpolation]) );
\r
623 nppSafeCall( nppiRotate_8u_C4R(src.ptr<Npp8u>(), srcsz, static_cast<int>(src.step), srcroi,
\r
624 dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstroi, angle, xShift, yShift, npp_inter[interpolation]) );
\r
628 cudaSafeCall( cudaDeviceSynchronize() );
\r
631 ////////////////////////////////////////////////////////////////////////
\r
634 void cv::gpu::integral(const GpuMat& src, GpuMat& sum, Stream& s)
\r
637 integralBuffered(src, sum, buffer, s);
\r
640 void cv::gpu::integralBuffered(const GpuMat& src, GpuMat& sum, GpuMat& buffer, Stream& s)
\r
642 CV_Assert(src.type() == CV_8UC1);
\r
644 sum.create(src.rows + 1, src.cols + 1, CV_32S);
\r
646 NcvSize32u roiSize;
\r
647 roiSize.width = src.cols;
\r
648 roiSize.height = src.rows;
\r
650 cudaDeviceProp prop;
\r
651 cudaSafeCall( cudaGetDeviceProperties(&prop, cv::gpu::getDevice()) );
\r
654 nppSafeCall( nppiStIntegralGetSize_8u32u(roiSize, &bufSize, prop) );
\r
655 ensureSizeIsEnough(1, bufSize, CV_8UC1, buffer);
\r
657 cudaStream_t stream = StreamAccessor::getStream(s);
\r
659 NppStStreamHandler h(stream);
\r
661 nppSafeCall( nppiStIntegral_8u32u_C1R(const_cast<Ncv8u*>(src.ptr<Ncv8u>()), static_cast<int>(src.step),
\r
662 sum.ptr<Ncv32u>(), static_cast<int>(sum.step), roiSize, buffer.ptr<Ncv8u>(), bufSize, prop) );
\r
665 cudaSafeCall( cudaDeviceSynchronize() );
\r
668 void cv::gpu::integral(const GpuMat& src, GpuMat& sum, GpuMat& sqsum, Stream& s)
\r
670 CV_Assert(src.type() == CV_8UC1);
\r
672 int width = src.cols + 1, height = src.rows + 1;
\r
674 sum.create(height, width, CV_32S);
\r
675 sqsum.create(height, width, CV_32F);
\r
678 sz.width = src.cols;
\r
679 sz.height = src.rows;
\r
681 cudaStream_t stream = StreamAccessor::getStream(s);
\r
683 NppStreamHandler h(stream);
\r
685 nppSafeCall( nppiSqrIntegral_8u32s32f_C1R(const_cast<Npp8u*>(src.ptr<Npp8u>()), static_cast<int>(src.step),
\r
686 sum.ptr<Npp32s>(), static_cast<int>(sum.step), sqsum.ptr<Npp32f>(), static_cast<int>(sqsum.step), sz, 0, 0.0f, height) );
\r
689 cudaSafeCall( cudaDeviceSynchronize() );
\r
692 //////////////////////////////////////////////////////////////////////////////
\r
695 void cv::gpu::sqrIntegral(const GpuMat& src, GpuMat& sqsum, Stream& s)
\r
697 CV_Assert(src.type() == CV_8U);
\r
699 NcvSize32u roiSize;
\r
700 roiSize.width = src.cols;
\r
701 roiSize.height = src.rows;
\r
703 cudaDeviceProp prop;
\r
704 cudaSafeCall( cudaGetDeviceProperties(&prop, cv::gpu::getDevice()) );
\r
707 nppSafeCall(nppiStSqrIntegralGetSize_8u64u(roiSize, &bufSize, prop));
\r
708 GpuMat buf(1, bufSize, CV_8U);
\r
710 cudaStream_t stream = StreamAccessor::getStream(s);
\r
712 NppStStreamHandler h(stream);
\r
714 sqsum.create(src.rows + 1, src.cols + 1, CV_64F);
\r
715 nppSafeCall(nppiStSqrIntegral_8u64u_C1R(const_cast<Ncv8u*>(src.ptr<Ncv8u>(0)), static_cast<int>(src.step),
\r
716 sqsum.ptr<Ncv64u>(0), static_cast<int>(sqsum.step), roiSize, buf.ptr<Ncv8u>(0), bufSize, prop));
\r
719 cudaSafeCall( cudaDeviceSynchronize() );
\r
722 //////////////////////////////////////////////////////////////////////////////
\r
725 namespace cv { namespace gpu { namespace imgproc
\r
727 void columnSum_32F(const DevMem2D src, const DevMem2D dst);
\r
730 void cv::gpu::columnSum(const GpuMat& src, GpuMat& dst)
\r
732 CV_Assert(src.type() == CV_32F);
\r
734 dst.create(src.size(), CV_32F);
\r
735 imgproc::columnSum_32F(src, dst);
\r
738 void cv::gpu::rectStdDev(const GpuMat& src, const GpuMat& sqr, GpuMat& dst, const Rect& rect, Stream& s)
\r
740 CV_Assert(src.type() == CV_32SC1 && sqr.type() == CV_32FC1);
\r
742 dst.create(src.size(), CV_32FC1);
\r
745 sz.width = src.cols;
\r
746 sz.height = src.rows;
\r
749 nppRect.height = rect.height;
\r
750 nppRect.width = rect.width;
\r
751 nppRect.x = rect.x;
\r
752 nppRect.y = rect.y;
\r
754 cudaStream_t stream = StreamAccessor::getStream(s);
\r
756 NppStreamHandler h(stream);
\r
758 nppSafeCall( nppiRectStdDev_32s32f_C1R(src.ptr<Npp32s>(), static_cast<int>(src.step), sqr.ptr<Npp32f>(), static_cast<int>(sqr.step),
\r
759 dst.ptr<Npp32f>(), static_cast<int>(dst.step), sz, nppRect) );
\r
762 cudaSafeCall( cudaDeviceSynchronize() );
\r
766 ////////////////////////////////////////////////////////////////////////
\r
771 template<int n> struct NPPTypeTraits;
\r
772 template<> struct NPPTypeTraits<CV_8U> { typedef Npp8u npp_type; };
\r
773 template<> struct NPPTypeTraits<CV_16U> { typedef Npp16u npp_type; };
\r
774 template<> struct NPPTypeTraits<CV_16S> { typedef Npp16s npp_type; };
\r
775 template<> struct NPPTypeTraits<CV_32F> { typedef Npp32f npp_type; };
\r
777 typedef NppStatus (*get_buf_size_c1_t)(NppiSize oSizeROI, int nLevels, int* hpBufferSize);
\r
778 typedef NppStatus (*get_buf_size_c4_t)(NppiSize oSizeROI, int nLevels[], int* hpBufferSize);
\r
780 template<int SDEPTH> struct NppHistogramEvenFuncC1
\r
782 typedef typename NPPTypeTraits<SDEPTH>::npp_type src_t;
\r
784 typedef NppStatus (*func_ptr)(const src_t* pSrc, int nSrcStep, NppiSize oSizeROI, Npp32s * pHist,
\r
785 int nLevels, Npp32s nLowerLevel, Npp32s nUpperLevel, Npp8u * pBuffer);
\r
787 template<int SDEPTH> struct NppHistogramEvenFuncC4
\r
789 typedef typename NPPTypeTraits<SDEPTH>::npp_type src_t;
\r
791 typedef NppStatus (*func_ptr)(const src_t* pSrc, int nSrcStep, NppiSize oSizeROI,
\r
792 Npp32s * pHist[4], int nLevels[4], Npp32s nLowerLevel[4], Npp32s nUpperLevel[4], Npp8u * pBuffer);
\r
795 template<int SDEPTH, typename NppHistogramEvenFuncC1<SDEPTH>::func_ptr func, get_buf_size_c1_t get_buf_size>
\r
796 struct NppHistogramEvenC1
\r
798 typedef typename NppHistogramEvenFuncC1<SDEPTH>::src_t src_t;
\r
800 static void hist(const GpuMat& src, GpuMat& hist, GpuMat& buffer, int histSize, int lowerLevel, int upperLevel, cudaStream_t stream)
\r
802 int levels = histSize + 1;
\r
803 hist.create(1, histSize, CV_32S);
\r
806 sz.width = src.cols;
\r
807 sz.height = src.rows;
\r
810 get_buf_size(sz, levels, &buf_size);
\r
812 ensureSizeIsEnough(1, buf_size, CV_8U, buffer);
\r
814 NppStreamHandler h(stream);
\r
816 nppSafeCall( func(src.ptr<src_t>(), static_cast<int>(src.step), sz, hist.ptr<Npp32s>(), levels,
\r
817 lowerLevel, upperLevel, buffer.ptr<Npp8u>()) );
\r
820 cudaSafeCall( cudaDeviceSynchronize() );
\r
823 template<int SDEPTH, typename NppHistogramEvenFuncC4<SDEPTH>::func_ptr func, get_buf_size_c4_t get_buf_size>
\r
824 struct NppHistogramEvenC4
\r
826 typedef typename NppHistogramEvenFuncC4<SDEPTH>::src_t src_t;
\r
828 static void hist(const GpuMat& src, GpuMat hist[4], GpuMat& buffer, int histSize[4], int lowerLevel[4], int upperLevel[4], cudaStream_t stream)
\r
830 int levels[] = {histSize[0] + 1, histSize[1] + 1, histSize[2] + 1, histSize[3] + 1};
\r
831 hist[0].create(1, histSize[0], CV_32S);
\r
832 hist[1].create(1, histSize[1], CV_32S);
\r
833 hist[2].create(1, histSize[2], CV_32S);
\r
834 hist[3].create(1, histSize[3], CV_32S);
\r
837 sz.width = src.cols;
\r
838 sz.height = src.rows;
\r
840 Npp32s* pHist[] = {hist[0].ptr<Npp32s>(), hist[1].ptr<Npp32s>(), hist[2].ptr<Npp32s>(), hist[3].ptr<Npp32s>()};
\r
843 get_buf_size(sz, levels, &buf_size);
\r
845 ensureSizeIsEnough(1, buf_size, CV_8U, buffer);
\r
847 NppStreamHandler h(stream);
\r
849 nppSafeCall( func(src.ptr<src_t>(), static_cast<int>(src.step), sz, pHist, levels, lowerLevel, upperLevel, buffer.ptr<Npp8u>()) );
\r
852 cudaSafeCall( cudaDeviceSynchronize() );
\r
856 template<int SDEPTH> struct NppHistogramRangeFuncC1
\r
858 typedef typename NPPTypeTraits<SDEPTH>::npp_type src_t;
\r
859 typedef Npp32s level_t;
\r
860 enum {LEVEL_TYPE_CODE=CV_32SC1};
\r
862 typedef NppStatus (*func_ptr)(const src_t* pSrc, int nSrcStep, NppiSize oSizeROI, Npp32s* pHist,
\r
863 const Npp32s* pLevels, int nLevels, Npp8u* pBuffer);
\r
865 template<> struct NppHistogramRangeFuncC1<CV_32F>
\r
867 typedef Npp32f src_t;
\r
868 typedef Npp32f level_t;
\r
869 enum {LEVEL_TYPE_CODE=CV_32FC1};
\r
871 typedef NppStatus (*func_ptr)(const Npp32f* pSrc, int nSrcStep, NppiSize oSizeROI, Npp32s* pHist,
\r
872 const Npp32f* pLevels, int nLevels, Npp8u* pBuffer);
\r
874 template<int SDEPTH> struct NppHistogramRangeFuncC4
\r
876 typedef typename NPPTypeTraits<SDEPTH>::npp_type src_t;
\r
877 typedef Npp32s level_t;
\r
878 enum {LEVEL_TYPE_CODE=CV_32SC1};
\r
880 typedef NppStatus (*func_ptr)(const src_t* pSrc, int nSrcStep, NppiSize oSizeROI, Npp32s* pHist[4],
\r
881 const Npp32s* pLevels[4], int nLevels[4], Npp8u* pBuffer);
\r
883 template<> struct NppHistogramRangeFuncC4<CV_32F>
\r
885 typedef Npp32f src_t;
\r
886 typedef Npp32f level_t;
\r
887 enum {LEVEL_TYPE_CODE=CV_32FC1};
\r
889 typedef NppStatus (*func_ptr)(const Npp32f* pSrc, int nSrcStep, NppiSize oSizeROI, Npp32s* pHist[4],
\r
890 const Npp32f* pLevels[4], int nLevels[4], Npp8u* pBuffer);
\r
893 template<int SDEPTH, typename NppHistogramRangeFuncC1<SDEPTH>::func_ptr func, get_buf_size_c1_t get_buf_size>
\r
894 struct NppHistogramRangeC1
\r
896 typedef typename NppHistogramRangeFuncC1<SDEPTH>::src_t src_t;
\r
897 typedef typename NppHistogramRangeFuncC1<SDEPTH>::level_t level_t;
\r
898 enum {LEVEL_TYPE_CODE=NppHistogramRangeFuncC1<SDEPTH>::LEVEL_TYPE_CODE};
\r
900 static void hist(const GpuMat& src, GpuMat& hist, const GpuMat& levels, GpuMat& buffer, cudaStream_t stream)
\r
902 CV_Assert(levels.type() == LEVEL_TYPE_CODE && levels.rows == 1);
\r
904 hist.create(1, levels.cols - 1, CV_32S);
\r
907 sz.width = src.cols;
\r
908 sz.height = src.rows;
\r
911 get_buf_size(sz, levels.cols, &buf_size);
\r
913 ensureSizeIsEnough(1, buf_size, CV_8U, buffer);
\r
915 NppStreamHandler h(stream);
\r
917 nppSafeCall( func(src.ptr<src_t>(), static_cast<int>(src.step), sz, hist.ptr<Npp32s>(), levels.ptr<level_t>(), levels.cols, buffer.ptr<Npp8u>()) );
\r
920 cudaSafeCall( cudaDeviceSynchronize() );
\r
923 template<int SDEPTH, typename NppHistogramRangeFuncC4<SDEPTH>::func_ptr func, get_buf_size_c4_t get_buf_size>
\r
924 struct NppHistogramRangeC4
\r
926 typedef typename NppHistogramRangeFuncC4<SDEPTH>::src_t src_t;
\r
927 typedef typename NppHistogramRangeFuncC1<SDEPTH>::level_t level_t;
\r
928 enum {LEVEL_TYPE_CODE=NppHistogramRangeFuncC1<SDEPTH>::LEVEL_TYPE_CODE};
\r
930 static void hist(const GpuMat& src, GpuMat hist[4], const GpuMat levels[4], GpuMat& buffer, cudaStream_t stream)
\r
932 CV_Assert(levels[0].type() == LEVEL_TYPE_CODE && levels[0].rows == 1);
\r
933 CV_Assert(levels[1].type() == LEVEL_TYPE_CODE && levels[1].rows == 1);
\r
934 CV_Assert(levels[2].type() == LEVEL_TYPE_CODE && levels[2].rows == 1);
\r
935 CV_Assert(levels[3].type() == LEVEL_TYPE_CODE && levels[3].rows == 1);
\r
937 hist[0].create(1, levels[0].cols - 1, CV_32S);
\r
938 hist[1].create(1, levels[1].cols - 1, CV_32S);
\r
939 hist[2].create(1, levels[2].cols - 1, CV_32S);
\r
940 hist[3].create(1, levels[3].cols - 1, CV_32S);
\r
942 Npp32s* pHist[] = {hist[0].ptr<Npp32s>(), hist[1].ptr<Npp32s>(), hist[2].ptr<Npp32s>(), hist[3].ptr<Npp32s>()};
\r
943 int nLevels[] = {levels[0].cols, levels[1].cols, levels[2].cols, levels[3].cols};
\r
944 const level_t* pLevels[] = {levels[0].ptr<level_t>(), levels[1].ptr<level_t>(), levels[2].ptr<level_t>(), levels[3].ptr<level_t>()};
\r
947 sz.width = src.cols;
\r
948 sz.height = src.rows;
\r
951 get_buf_size(sz, nLevels, &buf_size);
\r
953 ensureSizeIsEnough(1, buf_size, CV_8U, buffer);
\r
955 NppStreamHandler h(stream);
\r
957 nppSafeCall( func(src.ptr<src_t>(), static_cast<int>(src.step), sz, pHist, pLevels, nLevels, buffer.ptr<Npp8u>()) );
\r
960 cudaSafeCall( cudaDeviceSynchronize() );
\r
965 void cv::gpu::evenLevels(GpuMat& levels, int nLevels, int lowerLevel, int upperLevel)
\r
967 Mat host_levels(1, nLevels, CV_32SC1);
\r
968 nppSafeCall( nppiEvenLevelsHost_32s(host_levels.ptr<Npp32s>(), nLevels, lowerLevel, upperLevel) );
\r
969 levels.upload(host_levels);
\r
972 void cv::gpu::histEven(const GpuMat& src, GpuMat& hist, int histSize, int lowerLevel, int upperLevel, Stream& stream)
\r
975 histEven(src, hist, buf, histSize, lowerLevel, upperLevel, stream);
\r
978 void cv::gpu::histEven(const GpuMat& src, GpuMat& hist, GpuMat& buf, int histSize, int lowerLevel, int upperLevel, Stream& stream)
\r
980 CV_Assert(src.type() == CV_8UC1 || src.type() == CV_16UC1 || src.type() == CV_16SC1 );
\r
982 typedef void (*hist_t)(const GpuMat& src, GpuMat& hist, GpuMat& buf, int levels, int lowerLevel, int upperLevel, cudaStream_t stream);
\r
983 static const hist_t hist_callers[] =
\r
985 NppHistogramEvenC1<CV_8U , nppiHistogramEven_8u_C1R , nppiHistogramEvenGetBufferSize_8u_C1R >::hist,
\r
987 NppHistogramEvenC1<CV_16U, nppiHistogramEven_16u_C1R, nppiHistogramEvenGetBufferSize_16u_C1R>::hist,
\r
988 NppHistogramEvenC1<CV_16S, nppiHistogramEven_16s_C1R, nppiHistogramEvenGetBufferSize_16s_C1R>::hist
\r
991 hist_callers[src.depth()](src, hist, buf, histSize, lowerLevel, upperLevel, StreamAccessor::getStream(stream));
\r
994 void cv::gpu::histEven(const GpuMat& src, GpuMat hist[4], int histSize[4], int lowerLevel[4], int upperLevel[4], Stream& stream)
\r
997 histEven(src, hist, buf, histSize, lowerLevel, upperLevel, stream);
\r
1000 void cv::gpu::histEven(const GpuMat& src, GpuMat hist[4], GpuMat& buf, int histSize[4], int lowerLevel[4], int upperLevel[4], Stream& stream)
\r
1002 CV_Assert(src.type() == CV_8UC4 || src.type() == CV_16UC4 || src.type() == CV_16SC4 );
\r
1004 typedef void (*hist_t)(const GpuMat& src, GpuMat hist[4], GpuMat& buf, int levels[4], int lowerLevel[4], int upperLevel[4], cudaStream_t stream);
\r
1005 static const hist_t hist_callers[] =
\r
1007 NppHistogramEvenC4<CV_8U , nppiHistogramEven_8u_C4R , nppiHistogramEvenGetBufferSize_8u_C4R >::hist,
\r
1009 NppHistogramEvenC4<CV_16U, nppiHistogramEven_16u_C4R, nppiHistogramEvenGetBufferSize_16u_C4R>::hist,
\r
1010 NppHistogramEvenC4<CV_16S, nppiHistogramEven_16s_C4R, nppiHistogramEvenGetBufferSize_16s_C4R>::hist
\r
1013 hist_callers[src.depth()](src, hist, buf, histSize, lowerLevel, upperLevel, StreamAccessor::getStream(stream));
\r
1016 void cv::gpu::histRange(const GpuMat& src, GpuMat& hist, const GpuMat& levels, Stream& stream)
\r
1019 histRange(src, hist, levels, buf, stream);
\r
1023 void cv::gpu::histRange(const GpuMat& src, GpuMat& hist, const GpuMat& levels, GpuMat& buf, Stream& stream)
\r
1025 CV_Assert(src.type() == CV_8UC1 || src.type() == CV_16UC1 || src.type() == CV_16SC1 || src.type() == CV_32FC1);
\r
1027 typedef void (*hist_t)(const GpuMat& src, GpuMat& hist, const GpuMat& levels, GpuMat& buf, cudaStream_t stream);
\r
1028 static const hist_t hist_callers[] =
\r
1030 NppHistogramRangeC1<CV_8U , nppiHistogramRange_8u_C1R , nppiHistogramRangeGetBufferSize_8u_C1R >::hist,
\r
1032 NppHistogramRangeC1<CV_16U, nppiHistogramRange_16u_C1R, nppiHistogramRangeGetBufferSize_16u_C1R>::hist,
\r
1033 NppHistogramRangeC1<CV_16S, nppiHistogramRange_16s_C1R, nppiHistogramRangeGetBufferSize_16s_C1R>::hist,
\r
1035 NppHistogramRangeC1<CV_32F, nppiHistogramRange_32f_C1R, nppiHistogramRangeGetBufferSize_32f_C1R>::hist
\r
1038 hist_callers[src.depth()](src, hist, levels, buf, StreamAccessor::getStream(stream));
\r
1041 void cv::gpu::histRange(const GpuMat& src, GpuMat hist[4], const GpuMat levels[4], Stream& stream)
\r
1044 histRange(src, hist, levels, buf, stream);
\r
1047 void cv::gpu::histRange(const GpuMat& src, GpuMat hist[4], const GpuMat levels[4], GpuMat& buf, Stream& stream)
\r
1049 CV_Assert(src.type() == CV_8UC4 || src.type() == CV_16UC4 || src.type() == CV_16SC4 || src.type() == CV_32FC4);
\r
1051 typedef void (*hist_t)(const GpuMat& src, GpuMat hist[4], const GpuMat levels[4], GpuMat& buf, cudaStream_t stream);
\r
1052 static const hist_t hist_callers[] =
\r
1054 NppHistogramRangeC4<CV_8U , nppiHistogramRange_8u_C4R , nppiHistogramRangeGetBufferSize_8u_C4R >::hist,
\r
1056 NppHistogramRangeC4<CV_16U, nppiHistogramRange_16u_C4R, nppiHistogramRangeGetBufferSize_16u_C4R>::hist,
\r
1057 NppHistogramRangeC4<CV_16S, nppiHistogramRange_16s_C4R, nppiHistogramRangeGetBufferSize_16s_C4R>::hist,
\r
1059 NppHistogramRangeC4<CV_32F, nppiHistogramRange_32f_C4R, nppiHistogramRangeGetBufferSize_32f_C4R>::hist
\r
1062 hist_callers[src.depth()](src, hist, levels, buf, StreamAccessor::getStream(stream));
\r
1065 namespace cv { namespace gpu { namespace histograms
\r
1067 void histogram256_gpu(DevMem2D src, int* hist, unsigned int* buf, cudaStream_t stream);
\r
1069 const int PARTIAL_HISTOGRAM256_COUNT = 240;
\r
1070 const int HISTOGRAM256_BIN_COUNT = 256;
\r
1073 void cv::gpu::calcHist(const GpuMat& src, GpuMat& hist, Stream& stream)
\r
1076 calcHist(src, hist, buf, stream);
\r
1079 void cv::gpu::calcHist(const GpuMat& src, GpuMat& hist, GpuMat& buf, Stream& stream)
\r
1081 using namespace cv::gpu::histograms;
\r
1083 CV_Assert(src.type() == CV_8UC1);
\r
1085 hist.create(1, 256, CV_32SC1);
\r
1087 ensureSizeIsEnough(1, PARTIAL_HISTOGRAM256_COUNT * HISTOGRAM256_BIN_COUNT, CV_32SC1, buf);
\r
1089 histogram256_gpu(src, hist.ptr<int>(), buf.ptr<unsigned int>(), StreamAccessor::getStream(stream));
\r
1092 void cv::gpu::equalizeHist(const GpuMat& src, GpuMat& dst, Stream& stream)
\r
1096 equalizeHist(src, dst, hist, buf, stream);
\r
1099 void cv::gpu::equalizeHist(const GpuMat& src, GpuMat& dst, GpuMat& hist, Stream& stream)
\r
1102 equalizeHist(src, dst, hist, buf, stream);
\r
1105 namespace cv { namespace gpu { namespace histograms
\r
1107 void equalizeHist_gpu(DevMem2D src, DevMem2D dst, const int* lut, cudaStream_t stream);
\r
1110 void cv::gpu::equalizeHist(const GpuMat& src, GpuMat& dst, GpuMat& hist, GpuMat& buf, Stream& s)
\r
1112 using namespace cv::gpu::histograms;
\r
1114 CV_Assert(src.type() == CV_8UC1);
\r
1116 dst.create(src.size(), src.type());
\r
1119 nppSafeCall( nppsIntegralGetBufferSize_32s(256, &intBufSize) );
\r
1121 int bufSize = static_cast<int>(std::max(256 * 240 * sizeof(int), intBufSize + 256 * sizeof(int)));
\r
1123 ensureSizeIsEnough(1, bufSize, CV_8UC1, buf);
\r
1125 GpuMat histBuf(1, 256 * 240, CV_32SC1, buf.ptr());
\r
1126 GpuMat intBuf(1, intBufSize, CV_8UC1, buf.ptr());
\r
1127 GpuMat lut(1, 256, CV_32S, buf.ptr() + intBufSize);
\r
1129 calcHist(src, hist, histBuf, s);
\r
1131 cudaStream_t stream = StreamAccessor::getStream(s);
\r
1133 NppStreamHandler h(stream);
\r
1135 nppSafeCall( nppsIntegral_32s(hist.ptr<Npp32s>(), lut.ptr<Npp32s>(), 256, intBuf.ptr<Npp8u>()) );
\r
1138 cudaSafeCall( cudaDeviceSynchronize() );
\r
1140 equalizeHist_gpu(src, dst, lut.ptr<int>(), stream);
\r
1143 ////////////////////////////////////////////////////////////////////////
\r
1144 // cornerHarris & minEgenVal
\r
1146 namespace cv { namespace gpu { namespace imgproc {
\r
1148 void extractCovData_caller(const DevMem2Df Dx, const DevMem2Df Dy, PtrStepf dst);
\r
1149 void cornerHarris_caller(const int block_size, const float k, const DevMem2D Dx, const DevMem2D Dy, DevMem2D dst, int border_type);
\r
1150 void cornerMinEigenVal_caller(const int block_size, const DevMem2D Dx, const DevMem2D Dy, DevMem2D dst, int border_type);
\r
1156 template <typename T>
\r
1157 void extractCovData(const GpuMat& src, GpuMat& Dx, GpuMat& Dy, int blockSize, int ksize, int borderType)
\r
1159 double scale = (double)(1 << ((ksize > 0 ? ksize : 3) - 1)) * blockSize;
\r
1162 if (src.depth() == CV_8U)
\r
1166 Dx.create(src.size(), CV_32F);
\r
1167 Dy.create(src.size(), CV_32F);
\r
1171 Sobel(src, Dx, CV_32F, 1, 0, ksize, scale, borderType);
\r
1172 Sobel(src, Dy, CV_32F, 0, 1, ksize, scale, borderType);
\r
1176 Scharr(src, Dx, CV_32F, 1, 0, scale, borderType);
\r
1177 Scharr(src, Dy, CV_32F, 0, 1, scale, borderType);
\r
1181 void extractCovData(const GpuMat& src, GpuMat& Dx, GpuMat& Dy, int blockSize, int ksize, int borderType)
\r
1183 switch (src.type())
\r
1186 extractCovData<unsigned char>(src, Dx, Dy, blockSize, ksize, borderType);
\r
1189 extractCovData<float>(src, Dx, Dy, blockSize, ksize, borderType);
\r
1192 CV_Error(CV_StsBadArg, "extractCovData: unsupported type of the source matrix");
\r
1196 } // Anonymous namespace
\r
1199 bool cv::gpu::tryConvertToGpuBorderType(int cpuBorderType, int& gpuBorderType)
\r
1201 if (cpuBorderType == cv::BORDER_REFLECT101)
\r
1203 gpuBorderType = cv::gpu::BORDER_REFLECT101_GPU;
\r
1207 if (cpuBorderType == cv::BORDER_REPLICATE)
\r
1209 gpuBorderType = cv::gpu::BORDER_REPLICATE_GPU;
\r
1213 if (cpuBorderType == cv::BORDER_CONSTANT)
\r
1215 gpuBorderType = cv::gpu::BORDER_CONSTANT_GPU;
\r
1222 void cv::gpu::cornerHarris(const GpuMat& src, GpuMat& dst, int blockSize, int ksize, double k, int borderType)
\r
1225 cornerHarris(src, dst, Dx, Dy, blockSize, ksize, k, borderType);
\r
1228 void cv::gpu::cornerHarris(const GpuMat& src, GpuMat& dst, GpuMat& Dx, GpuMat& Dy, int blockSize, int ksize, double k, int borderType)
\r
1230 CV_Assert(borderType == cv::BORDER_REFLECT101 ||
\r
1231 borderType == cv::BORDER_REPLICATE);
\r
1233 int gpuBorderType;
\r
1234 CV_Assert(tryConvertToGpuBorderType(borderType, gpuBorderType));
\r
1236 extractCovData(src, Dx, Dy, blockSize, ksize, borderType);
\r
1237 dst.create(src.size(), CV_32F);
\r
1238 imgproc::cornerHarris_caller(blockSize, (float)k, Dx, Dy, dst, gpuBorderType);
\r
1241 void cv::gpu::cornerMinEigenVal(const GpuMat& src, GpuMat& dst, int blockSize, int ksize, int borderType)
\r
1244 cornerMinEigenVal(src, dst, Dx, Dy, blockSize, ksize, borderType);
\r
1247 void cv::gpu::cornerMinEigenVal(const GpuMat& src, GpuMat& dst, GpuMat& Dx, GpuMat& Dy, int blockSize, int ksize, int borderType)
\r
1249 CV_Assert(borderType == cv::BORDER_REFLECT101 ||
\r
1250 borderType == cv::BORDER_REPLICATE);
\r
1252 int gpuBorderType;
\r
1253 CV_Assert(tryConvertToGpuBorderType(borderType, gpuBorderType));
\r
1255 extractCovData(src, Dx, Dy, blockSize, ksize, borderType);
\r
1256 dst.create(src.size(), CV_32F);
\r
1257 imgproc::cornerMinEigenVal_caller(blockSize, Dx, Dy, dst, gpuBorderType);
\r
1260 //////////////////////////////////////////////////////////////////////////////
\r
1263 namespace cv { namespace gpu { namespace imgproc
\r
1265 void mulSpectrums(const PtrStep_<cufftComplex> a, const PtrStep_<cufftComplex> b,
\r
1266 DevMem2D_<cufftComplex> c);
\r
1268 void mulSpectrums_CONJ(const PtrStep_<cufftComplex> a, const PtrStep_<cufftComplex> b,
\r
1269 DevMem2D_<cufftComplex> c);
\r
1273 void cv::gpu::mulSpectrums(const GpuMat& a, const GpuMat& b, GpuMat& c,
\r
1274 int flags, bool conjB)
\r
1276 typedef void (*Caller)(const PtrStep_<cufftComplex>, const PtrStep_<cufftComplex>,
\r
1277 DevMem2D_<cufftComplex>);
\r
1278 static Caller callers[] = { imgproc::mulSpectrums,
\r
1279 imgproc::mulSpectrums_CONJ };
\r
1281 CV_Assert(a.type() == b.type() && a.type() == CV_32FC2);
\r
1282 CV_Assert(a.size() == b.size());
\r
1284 c.create(a.size(), CV_32FC2);
\r
1286 Caller caller = callers[(int)conjB];
\r
1290 //////////////////////////////////////////////////////////////////////////////
\r
1291 // mulAndScaleSpectrums
\r
1293 namespace cv { namespace gpu { namespace imgproc
\r
1295 void mulAndScaleSpectrums(const PtrStep_<cufftComplex> a, const PtrStep_<cufftComplex> b,
\r
1296 float scale, DevMem2D_<cufftComplex> c);
\r
1298 void mulAndScaleSpectrums_CONJ(const PtrStep_<cufftComplex> a, const PtrStep_<cufftComplex> b,
\r
1299 float scale, DevMem2D_<cufftComplex> c);
\r
1303 void cv::gpu::mulAndScaleSpectrums(const GpuMat& a, const GpuMat& b, GpuMat& c,
\r
1304 int flags, float scale, bool conjB)
\r
1306 typedef void (*Caller)(const PtrStep_<cufftComplex>, const PtrStep_<cufftComplex>,
\r
1307 float scale, DevMem2D_<cufftComplex>);
\r
1308 static Caller callers[] = { imgproc::mulAndScaleSpectrums,
\r
1309 imgproc::mulAndScaleSpectrums_CONJ };
\r
1311 CV_Assert(a.type() == b.type() && a.type() == CV_32FC2);
\r
1312 CV_Assert(a.size() == b.size());
\r
1314 c.create(a.size(), CV_32FC2);
\r
1316 Caller caller = callers[(int)conjB];
\r
1317 caller(a, b, scale, c);
\r
1320 //////////////////////////////////////////////////////////////////////////////
\r
1323 void cv::gpu::dft(const GpuMat& src, GpuMat& dst, Size dft_size, int flags)
\r
1325 CV_Assert(src.type() == CV_32F || src.type() == CV_32FC2);
\r
1327 // We don't support unpacked output (in the case of real input)
\r
1328 CV_Assert(!(flags & DFT_COMPLEX_OUTPUT));
\r
1330 bool is_1d_input = (dft_size.height == 1) || (dft_size.width == 1);
\r
1331 int is_row_dft = flags & DFT_ROWS;
\r
1332 int is_scaled_dft = flags & DFT_SCALE;
\r
1333 int is_inverse = flags & DFT_INVERSE;
\r
1334 bool is_complex_input = src.channels() == 2;
\r
1335 bool is_complex_output = !(flags & DFT_REAL_OUTPUT);
\r
1337 // We don't support real-to-real transform
\r
1338 CV_Assert(is_complex_input || is_complex_output);
\r
1342 // Make sure here we work with the continuous input,
\r
1343 // as CUFFT can't handle gaps
\r
1345 createContinuous(src.rows, src.cols, src.type(), src_data);
\r
1346 if (src_data.data != src.data)
\r
1347 src.copyTo(src_data);
\r
1349 Size dft_size_opt = dft_size;
\r
1350 if (is_1d_input && !is_row_dft)
\r
1352 // If the source matrix is single column handle it as single row
\r
1353 dft_size_opt.width = std::max(dft_size.width, dft_size.height);
\r
1354 dft_size_opt.height = std::min(dft_size.width, dft_size.height);
\r
1357 cufftType dft_type = CUFFT_R2C;
\r
1358 if (is_complex_input)
\r
1359 dft_type = is_complex_output ? CUFFT_C2C : CUFFT_C2R;
\r
1361 CV_Assert(dft_size_opt.width > 1);
\r
1364 if (is_1d_input || is_row_dft)
\r
1365 cufftPlan1d(&plan, dft_size_opt.width, dft_type, dft_size_opt.height);
\r
1367 cufftPlan2d(&plan, dft_size_opt.height, dft_size_opt.width, dft_type);
\r
1369 if (is_complex_input)
\r
1371 if (is_complex_output)
\r
1373 createContinuous(dft_size, CV_32FC2, dst);
\r
1374 cufftSafeCall(cufftExecC2C(
\r
1375 plan, src_data.ptr<cufftComplex>(), dst.ptr<cufftComplex>(),
\r
1376 is_inverse ? CUFFT_INVERSE : CUFFT_FORWARD));
\r
1380 createContinuous(dft_size, CV_32F, dst);
\r
1381 cufftSafeCall(cufftExecC2R(
\r
1382 plan, src_data.ptr<cufftComplex>(), dst.ptr<cufftReal>()));
\r
1387 // We could swap dft_size for efficiency. Here we must reflect it
\r
1388 if (dft_size == dft_size_opt)
\r
1389 createContinuous(Size(dft_size.width / 2 + 1, dft_size.height), CV_32FC2, dst);
\r
1391 createContinuous(Size(dft_size.width, dft_size.height / 2 + 1), CV_32FC2, dst);
\r
1393 cufftSafeCall(cufftExecR2C(
\r
1394 plan, src_data.ptr<cufftReal>(), dst.ptr<cufftComplex>()));
\r
1397 cufftSafeCall(cufftDestroy(plan));
\r
1399 if (is_scaled_dft)
\r
1400 multiply(dst, Scalar::all(1. / dft_size.area()), dst);
\r
1403 //////////////////////////////////////////////////////////////////////////////
\r
1407 void cv::gpu::ConvolveBuf::create(Size image_size, Size templ_size)
\r
1409 result_size = Size(image_size.width - templ_size.width + 1,
\r
1410 image_size.height - templ_size.height + 1);
\r
1411 block_size = estimateBlockSize(result_size, templ_size);
\r
1413 dft_size.width = getOptimalDFTSize(block_size.width + templ_size.width - 1);
\r
1414 dft_size.height = getOptimalDFTSize(block_size.width + templ_size.height - 1);
\r
1415 createContinuous(dft_size, CV_32F, image_block);
\r
1416 createContinuous(dft_size, CV_32F, templ_block);
\r
1417 createContinuous(dft_size, CV_32F, result_data);
\r
1419 spect_len = dft_size.height * (dft_size.width / 2 + 1);
\r
1420 createContinuous(1, spect_len, CV_32FC2, image_spect);
\r
1421 createContinuous(1, spect_len, CV_32FC2, templ_spect);
\r
1422 createContinuous(1, spect_len, CV_32FC2, result_spect);
\r
1424 block_size.width = std::min(dft_size.width - templ_size.width + 1, result_size.width);
\r
1425 block_size.height = std::min(dft_size.height - templ_size.height + 1, result_size.height);
\r
1429 Size cv::gpu::ConvolveBuf::estimateBlockSize(Size result_size, Size templ_size)
\r
1432 Size bsize_min(1024, 1024);
\r
1434 // Check whether we use Fermi generation or newer GPU
\r
1435 if (DeviceInfo().majorVersion() >= 2)
\r
1437 bsize_min.width = 2048;
\r
1438 bsize_min.height = 2048;
\r
1441 Size bsize(std::max(templ_size.width * scale, bsize_min.width),
\r
1442 std::max(templ_size.height * scale, bsize_min.height));
\r
1444 bsize.width = std::min(bsize.width, result_size.width);
\r
1445 bsize.height = std::min(bsize.height, result_size.height);
\r
1450 void cv::gpu::convolve(const GpuMat& image, const GpuMat& templ, GpuMat& result,
\r
1454 convolve(image, templ, result, ccorr, buf);
\r
1458 void cv::gpu::convolve(const GpuMat& image, const GpuMat& templ, GpuMat& result,
\r
1459 bool ccorr, ConvolveBuf& buf)
\r
1461 StaticAssert<sizeof(float) == sizeof(cufftReal)>::check();
\r
1462 StaticAssert<sizeof(float) * 2 == sizeof(cufftComplex)>::check();
\r
1464 CV_Assert(image.type() == CV_32F);
\r
1465 CV_Assert(templ.type() == CV_32F);
\r
1467 buf.create(image.size(), templ.size());
\r
1468 result.create(buf.result_size, CV_32F);
\r
1470 Size& block_size = buf.block_size;
\r
1471 Size& dft_size = buf.dft_size;
\r
1473 GpuMat& image_block = buf.image_block;
\r
1474 GpuMat& templ_block = buf.templ_block;
\r
1475 GpuMat& result_data = buf.result_data;
\r
1477 GpuMat& image_spect = buf.image_spect;
\r
1478 GpuMat& templ_spect = buf.templ_spect;
\r
1479 GpuMat& result_spect = buf.result_spect;
\r
1481 cufftHandle planR2C, planC2R;
\r
1482 cufftSafeCall(cufftPlan2d(&planC2R, dft_size.height, dft_size.width, CUFFT_C2R));
\r
1483 cufftSafeCall(cufftPlan2d(&planR2C, dft_size.height, dft_size.width, CUFFT_R2C));
\r
1485 GpuMat templ_roi(templ.size(), CV_32F, templ.data, templ.step);
\r
1486 copyMakeBorder(templ_roi, templ_block, 0, templ_block.rows - templ_roi.rows, 0,
\r
1487 templ_block.cols - templ_roi.cols, 0);
\r
1489 cufftSafeCall(cufftExecR2C(planR2C, templ_block.ptr<cufftReal>(),
\r
1490 templ_spect.ptr<cufftComplex>()));
\r
1492 // Process all blocks of the result matrix
\r
1493 for (int y = 0; y < result.rows; y += block_size.height)
\r
1495 for (int x = 0; x < result.cols; x += block_size.width)
\r
1497 Size image_roi_size(std::min(x + dft_size.width, image.cols) - x,
\r
1498 std::min(y + dft_size.height, image.rows) - y);
\r
1499 GpuMat image_roi(image_roi_size, CV_32F, (void*)(image.ptr<float>(y) + x),
\r
1501 copyMakeBorder(image_roi, image_block, 0, image_block.rows - image_roi.rows,
\r
1502 0, image_block.cols - image_roi.cols, 0);
\r
1504 cufftSafeCall(cufftExecR2C(planR2C, image_block.ptr<cufftReal>(),
\r
1505 image_spect.ptr<cufftComplex>()));
\r
1506 mulAndScaleSpectrums(image_spect, templ_spect, result_spect, 0,
\r
1507 1.f / dft_size.area(), ccorr);
\r
1508 cufftSafeCall(cufftExecC2R(planC2R, result_spect.ptr<cufftComplex>(),
\r
1509 result_data.ptr<cufftReal>()));
\r
1511 Size result_roi_size(std::min(x + block_size.width, result.cols) - x,
\r
1512 std::min(y + block_size.height, result.rows) - y);
\r
1513 GpuMat result_roi(result_roi_size, result.type(),
\r
1514 (void*)(result.ptr<float>(y) + x), result.step);
\r
1515 GpuMat result_block(result_roi_size, result_data.type(),
\r
1516 result_data.ptr(), result_data.step);
\r
1517 result_block.copyTo(result_roi);
\r
1521 cufftSafeCall(cufftDestroy(planR2C));
\r
1522 cufftSafeCall(cufftDestroy(planC2R));
\r
1526 ////////////////////////////////////////////////////////////////////
\r
1529 namespace cv { namespace gpu { namespace imgproc
\r
1531 template <typename T, int cn>
\r
1532 void downsampleCaller(const DevMem2D src, DevMem2D dst, cudaStream_t stream);
\r
1536 void cv::gpu::downsample(const GpuMat& src, GpuMat& dst, Stream& stream)
\r
1538 CV_Assert(src.depth() < CV_64F && src.channels() <= 4);
\r
1540 typedef void (*Caller)(const DevMem2D, DevMem2D, cudaStream_t stream);
\r
1541 static const Caller callers[6][4] =
\r
1542 {{imgproc::downsampleCaller<uchar,1>, imgproc::downsampleCaller<uchar,2>,
\r
1543 imgproc::downsampleCaller<uchar,3>, imgproc::downsampleCaller<uchar,4>},
\r
1544 {0,0,0,0}, {0,0,0,0},
\r
1545 {imgproc::downsampleCaller<short,1>, imgproc::downsampleCaller<short,2>,
\r
1546 imgproc::downsampleCaller<short,3>, imgproc::downsampleCaller<short,4>},
\r
1548 {imgproc::downsampleCaller<float,1>, imgproc::downsampleCaller<float,2>,
\r
1549 imgproc::downsampleCaller<float,3>, imgproc::downsampleCaller<float,4>}};
\r
1551 Caller caller = callers[src.depth()][src.channels()-1];
\r
1553 CV_Error(CV_StsUnsupportedFormat, "bad number of channels");
\r
1555 dst.create((src.rows + 1) / 2, (src.cols + 1) / 2, src.type());
\r
1556 caller(src, dst.reshape(1), StreamAccessor::getStream(stream));
\r
1560 //////////////////////////////////////////////////////////////////////////////
\r
1563 namespace cv { namespace gpu { namespace imgproc
\r
1565 template <typename T, int cn>
\r
1566 void upsampleCaller(const DevMem2D src, DevMem2D dst, cudaStream_t stream);
\r
1570 void cv::gpu::upsample(const GpuMat& src, GpuMat& dst, Stream& stream)
\r
1572 CV_Assert(src.depth() < CV_64F && src.channels() <= 4);
\r
1574 typedef void (*Caller)(const DevMem2D, DevMem2D, cudaStream_t stream);
\r
1575 static const Caller callers[6][5] =
\r
1576 {{imgproc::upsampleCaller<uchar,1>, imgproc::upsampleCaller<uchar,2>,
\r
1577 imgproc::upsampleCaller<uchar,3>, imgproc::upsampleCaller<uchar,4>},
\r
1578 {0,0,0,0}, {0,0,0,0},
\r
1579 {imgproc::upsampleCaller<short,1>, imgproc::upsampleCaller<short,2>,
\r
1580 imgproc::upsampleCaller<short,3>, imgproc::upsampleCaller<short,4>},
\r
1582 {imgproc::upsampleCaller<float,1>, imgproc::upsampleCaller<float,2>,
\r
1583 imgproc::upsampleCaller<float,3>, imgproc::upsampleCaller<float,4>}};
\r
1585 Caller caller = callers[src.depth()][src.channels()-1];
\r
1587 CV_Error(CV_StsUnsupportedFormat, "bad number of channels");
\r
1589 dst.create(src.rows*2, src.cols*2, src.type());
\r
1590 caller(src, dst.reshape(1), StreamAccessor::getStream(stream));
\r
1594 //////////////////////////////////////////////////////////////////////////////
\r
1597 namespace cv { namespace gpu { namespace imgproc
\r
1599 template <typename T, int cn> void pyrDown_gpu(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
\r
1602 void cv::gpu::pyrDown(const GpuMat& src, GpuMat& dst, Stream& stream)
\r
1604 using namespace cv::gpu::imgproc;
\r
1606 typedef void (*func_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
\r
1608 static const func_t funcs[6][4] =
\r
1610 {pyrDown_gpu<uchar, 1>, pyrDown_gpu<uchar, 2>, pyrDown_gpu<uchar, 3>, pyrDown_gpu<uchar, 4>},
\r
1611 {pyrDown_gpu<schar, 1>, pyrDown_gpu<schar, 2>, pyrDown_gpu<schar, 3>, pyrDown_gpu<schar, 4>},
\r
1612 {pyrDown_gpu<ushort, 1>, pyrDown_gpu<ushort, 2>, pyrDown_gpu<ushort, 3>, pyrDown_gpu<ushort, 4>},
\r
1613 {pyrDown_gpu<short, 1>, pyrDown_gpu<short, 2>, pyrDown_gpu<short, 3>, pyrDown_gpu<short, 4>},
\r
1614 {pyrDown_gpu<int, 1>, pyrDown_gpu<int, 2>, pyrDown_gpu<int, 3>, pyrDown_gpu<int, 4>},
\r
1615 {pyrDown_gpu<float, 1>, pyrDown_gpu<float, 2>, pyrDown_gpu<float, 3>, pyrDown_gpu<float, 4>},
\r
1618 CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
\r
1620 dst.create((src.rows + 1) / 2, (src.cols + 1) / 2, src.type());
\r
1622 funcs[src.depth()][src.channels() - 1](src, dst, StreamAccessor::getStream(stream));
\r
1626 //////////////////////////////////////////////////////////////////////////////
\r
1629 namespace cv { namespace gpu { namespace imgproc
\r
1631 template <typename T, int cn> void pyrUp_gpu(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
\r
1634 void cv::gpu::pyrUp(const GpuMat& src, GpuMat& dst, Stream& stream)
\r
1636 using namespace cv::gpu::imgproc;
\r
1638 typedef void (*func_t)(const DevMem2D& src, const DevMem2D& dst, cudaStream_t stream);
\r
1640 static const func_t funcs[6][4] =
\r
1642 {pyrUp_gpu<uchar, 1>, pyrUp_gpu<uchar, 2>, pyrUp_gpu<uchar, 3>, pyrUp_gpu<uchar, 4>},
\r
1643 {pyrUp_gpu<schar, 1>, pyrUp_gpu<schar, 2>, pyrUp_gpu<schar, 3>, pyrUp_gpu<schar, 4>},
\r
1644 {pyrUp_gpu<ushort, 1>, pyrUp_gpu<ushort, 2>, pyrUp_gpu<ushort, 3>, pyrUp_gpu<ushort, 4>},
\r
1645 {pyrUp_gpu<short, 1>, pyrUp_gpu<short, 2>, pyrUp_gpu<short, 3>, pyrUp_gpu<short, 4>},
\r
1646 {pyrUp_gpu<int, 1>, pyrUp_gpu<int, 2>, pyrUp_gpu<int, 3>, pyrUp_gpu<int, 4>},
\r
1647 {pyrUp_gpu<float, 1>, pyrUp_gpu<float, 2>, pyrUp_gpu<float, 3>, pyrUp_gpu<float, 4>},
\r
1650 CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
\r
1652 dst.create(src.rows*2, src.cols*2, src.type());
\r
1654 funcs[src.depth()][src.channels() - 1](src, dst, StreamAccessor::getStream(stream));
\r
1658 //////////////////////////////////////////////////////////////////////////////
\r
1661 cv::gpu::CannyBuf::CannyBuf(const GpuMat& dx_, const GpuMat& dy_) : dx(dx_), dy(dy_)
\r
1663 CV_Assert(dx_.type() == CV_32SC1 && dy_.type() == CV_32SC1 && dx_.size() == dy_.size());
\r
1665 create(dx_.size(), -1);
\r
1668 void cv::gpu::CannyBuf::create(const Size& image_size, int apperture_size)
\r
1670 ensureSizeIsEnough(image_size, CV_32SC1, dx);
\r
1671 ensureSizeIsEnough(image_size, CV_32SC1, dy);
\r
1673 if (apperture_size == 3)
\r
1675 ensureSizeIsEnough(image_size, CV_32SC1, dx_buf);
\r
1676 ensureSizeIsEnough(image_size, CV_32SC1, dy_buf);
\r
1678 else if(apperture_size > 0)
\r
1681 filterDX = createDerivFilter_GPU(CV_8UC1, CV_32S, 1, 0, apperture_size, BORDER_REPLICATE);
\r
1683 filterDY = createDerivFilter_GPU(CV_8UC1, CV_32S, 0, 1, apperture_size, BORDER_REPLICATE);
\r
1686 ensureSizeIsEnough(image_size.height + 2, image_size.width + 2, CV_32FC1, edgeBuf);
\r
1688 ensureSizeIsEnough(1, image_size.width * image_size.height, CV_16UC2, trackBuf1);
\r
1689 ensureSizeIsEnough(1, image_size.width * image_size.height, CV_16UC2, trackBuf2);
\r
1692 void cv::gpu::CannyBuf::release()
\r
1698 edgeBuf.release();
\r
1699 trackBuf1.release();
\r
1700 trackBuf2.release();
\r
1703 namespace cv { namespace gpu { namespace canny
\r
1705 void calcSobelRowPass_gpu(PtrStep src, PtrStepi dx_buf, PtrStepi dy_buf, int rows, int cols);
\r
1707 void calcMagnitude_gpu(PtrStepi dx_buf, PtrStepi dy_buf, PtrStepi dx, PtrStepi dy, PtrStepf mag, int rows, int cols, bool L2Grad);
\r
1708 void calcMagnitude_gpu(PtrStepi dx, PtrStepi dy, PtrStepf mag, int rows, int cols, bool L2Grad);
\r
1710 void calcMap_gpu(PtrStepi dx, PtrStepi dy, PtrStepf mag, PtrStepi map, int rows, int cols, float low_thresh, float high_thresh);
\r
1712 void edgesHysteresisLocal_gpu(PtrStepi map, ushort2* st1, int rows, int cols);
\r
1714 void edgesHysteresisGlobal_gpu(PtrStepi map, ushort2* st1, ushort2* st2, int rows, int cols);
\r
1716 void getEdges_gpu(PtrStepi map, PtrStep dst, int rows, int cols);
\r
1721 void CannyCaller(CannyBuf& buf, GpuMat& dst, float low_thresh, float high_thresh)
\r
1723 using namespace cv::gpu::canny;
\r
1725 calcMap_gpu(buf.dx, buf.dy, buf.edgeBuf, buf.edgeBuf, dst.rows, dst.cols, low_thresh, high_thresh);
\r
1727 edgesHysteresisLocal_gpu(buf.edgeBuf, buf.trackBuf1.ptr<ushort2>(), dst.rows, dst.cols);
\r
1729 edgesHysteresisGlobal_gpu(buf.edgeBuf, buf.trackBuf1.ptr<ushort2>(), buf.trackBuf2.ptr<ushort2>(), dst.rows, dst.cols);
\r
1731 getEdges_gpu(buf.edgeBuf, dst, dst.rows, dst.cols);
\r
1735 void cv::gpu::Canny(const GpuMat& src, GpuMat& dst, double low_thresh, double high_thresh, int apperture_size, bool L2gradient)
\r
1737 CannyBuf buf(src.size(), apperture_size);
\r
1738 Canny(src, buf, dst, low_thresh, high_thresh, apperture_size, L2gradient);
\r
1741 void cv::gpu::Canny(const GpuMat& src, CannyBuf& buf, GpuMat& dst, double low_thresh, double high_thresh, int apperture_size, bool L2gradient)
\r
1743 using namespace cv::gpu::canny;
\r
1745 CV_Assert(src.type() == CV_8UC1);
\r
1747 if( low_thresh > high_thresh )
\r
1748 std::swap( low_thresh, high_thresh);
\r
1750 dst.create(src.size(), CV_8U);
\r
1751 dst.setTo(Scalar::all(0));
\r
1753 buf.create(src.size(), apperture_size);
\r
1754 buf.edgeBuf.setTo(Scalar::all(0));
\r
1756 if (apperture_size == 3)
\r
1758 calcSobelRowPass_gpu(src, buf.dx_buf, buf.dy_buf, src.rows, src.cols);
\r
1760 calcMagnitude_gpu(buf.dx_buf, buf.dy_buf, buf.dx, buf.dy, buf.edgeBuf, src.rows, src.cols, L2gradient);
\r
1764 buf.filterDX->apply(src, buf.dx, Rect(0, 0, src.cols, src.rows));
\r
1765 buf.filterDY->apply(src, buf.dy, Rect(0, 0, src.cols, src.rows));
\r
1767 calcMagnitude_gpu(buf.dx, buf.dy, buf.edgeBuf, src.rows, src.cols, L2gradient);
\r
1770 CannyCaller(buf, dst, static_cast<float>(low_thresh), static_cast<float>(high_thresh));
\r
1773 void cv::gpu::Canny(const GpuMat& dx, const GpuMat& dy, GpuMat& dst, double low_thresh, double high_thresh, bool L2gradient)
\r
1775 CannyBuf buf(dx, dy);
\r
1776 Canny(dx, dy, buf, dst, low_thresh, high_thresh, L2gradient);
\r
1779 void cv::gpu::Canny(const GpuMat& dx, const GpuMat& dy, CannyBuf& buf, GpuMat& dst, double low_thresh, double high_thresh, bool L2gradient)
\r
1781 using namespace cv::gpu::canny;
\r
1783 CV_Assert(dx.type() == CV_32SC1 && dy.type() == CV_32SC1 && dx.size() == dy.size());
\r
1785 if( low_thresh > high_thresh )
\r
1786 std::swap( low_thresh, high_thresh);
\r
1788 dst.create(dx.size(), CV_8U);
\r
1789 dst.setTo(Scalar::all(0));
\r
1791 buf.dx = dx; buf.dy = dy;
\r
1792 buf.create(dx.size(), -1);
\r
1793 buf.edgeBuf.setTo(Scalar::all(0));
\r
1795 calcMagnitude_gpu(dx, dy, buf.edgeBuf, dx.rows, dx.cols, L2gradient);
\r
1797 CannyCaller(buf, dst, static_cast<float>(low_thresh), static_cast<float>(high_thresh));
\r
1800 #endif /* !defined (HAVE_CUDA) */
\r