-/*M///////////////////////////////////////////////////////////////////////////////////////
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-// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
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-//
-// License Agreement
-// For Open Source Computer Vision Library
-//
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
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-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
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-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other oclMaterials provided with the distribution.
-//
-// * The name of the copyright holders may not be used to endorse or promote products
-// derived from this software without specific prior written permission.
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-// This software is provided by the copyright holders and contributors "as is" and
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-//M*/
#ifndef __OPENCV_OCL_HPP__
#define __OPENCV_OCL_HPP__
bool haveDoubleSupport;
bool isUnifiedMemory; // 1 means integrated GPU, otherwise this value is 0
+ bool isIntelDevice;
std::string compilationExtraOptions;
const PlatformInfo* platform;
DeviceInfo();
+ ~DeviceInfo();
};
struct PlatformInfo
std::vector<const DeviceInfo*> devices;
PlatformInfo();
+ ~PlatformInfo();
};
//////////////////////////////// Initialization & Info ////////////////////////
// set device you want to use
CV_EXPORTS void setDevice(const DeviceInfo* info);
+ // Initialize from OpenCL handles directly.
+ // Argument types is (pointers): cl_platform_id*, cl_context*, cl_device_id*
+ CV_EXPORTS void initializeContext(void* pClPlatform, void* pClContext, void* pClDevice);
+
enum FEATURE_TYPE
{
FEATURE_CL_DOUBLE = 1,
FEATURE_CL_UNIFIED_MEM,
- FEATURE_CL_VER_1_2
+ FEATURE_CL_VER_1_2,
+ FEATURE_CL_INTEL_DEVICE
};
// Represents OpenCL context, interface
void copyTo( oclMat &m, const oclMat &mask = oclMat()) const;
//! converts oclMatrix to another datatype with optional scalng. See cvConvertScale.
- //It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
void convertTo( oclMat &m, int rtype, double alpha = 1, double beta = 0 ) const;
void assignTo( oclMat &m, int type = -1 ) const;
//! sets every oclMatrix element to s
- //It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
oclMat& operator = (const Scalar &s);
//! sets some of the oclMatrix elements to s, according to the mask
- //It supports 8UC1 8UC4 32SC1 32SC4 32FC1 32FC4
oclMat& setTo(const Scalar &s, const oclMat &mask = oclMat());
//! creates alternative oclMatrix header for the same data, with different
// number of channels and/or different number of rows. see cvReshape.
//! returns true if oclMatrix data is NULL
bool empty() const;
- //! returns pointer to y-th row
- uchar* ptr(int y = 0);
- const uchar *ptr(int y = 0) const;
-
- //! template version of the above method
- template<typename _Tp> _Tp *ptr(int y = 0);
- template<typename _Tp> const _Tp *ptr(int y = 0) const;
-
//! matrix transposition
oclMat t() const;
CV_EXPORTS void bilateralFilter(const oclMat& src, oclMat& dst, int d, double sigmaColor, double sigmaSpace, int borderType=BORDER_DEFAULT);
//! Applies an adaptive bilateral filter to the input image
- // This is not truly a bilateral filter. Instead of using user provided fixed parameters,
- // the function calculates a constant at each window based on local standard deviation,
- // and use this constant to do filtering.
+ // Unlike the usual bilateral filter that uses fixed value for sigmaColor,
+ // the adaptive version calculates the local variance in he ksize neighborhood
+ // and use this as sigmaColor, for the value filtering. However, the local standard deviation is
+ // clamped to the maxSigmaColor.
// supports 8UC1, 8UC3
- CV_EXPORTS void adaptiveBilateralFilter(const oclMat& src, oclMat& dst, Size ksize, double sigmaSpace, Point anchor = Point(-1, -1), int borderType=BORDER_DEFAULT);
+ CV_EXPORTS void adaptiveBilateralFilter(const oclMat& src, oclMat& dst, Size ksize, double sigmaSpace, double maxSigmaColor=20.0, Point anchor = Point(-1, -1), int borderType=BORDER_DEFAULT);
//! computes exponent of each matrix element (dst = e**src)
// supports only CV_32FC1, CV_64FC1 type
// supports only CV_32FC1, CV_64FC1 type
CV_EXPORTS void log(const oclMat &src, oclMat &dst);
+ //! computes square root of each matrix element
+ // supports only CV_32FC1, CV_64FC1 type
+ CV_EXPORTS void sqrt(const oclMat &src, oclMat &dst);
+
//! computes magnitude of each (x(i), y(i)) vector
// supports only CV_32F, CV_64F type
CV_EXPORTS void magnitude(const oclMat &x, const oclMat &y, oclMat &magnitude);
//! initializes a scaled identity matrix
CV_EXPORTS void setIdentity(oclMat& src, const Scalar & val = Scalar(1));
+ //! fills the output array with repeated copies of the input array
+ CV_EXPORTS void repeat(const oclMat & src, int ny, int nx, oclMat & dst);
+
//////////////////////////////// Filter Engine ////////////////////////////////
/*!
CV_EXPORTS Ptr<FilterEngine_GPU> createDerivFilter_GPU( int srcType, int dstType, int dx, int dy, int ksize, int borderType = BORDER_DEFAULT );
//! applies Laplacian operator to the image
- // supports only ksize = 1 and ksize = 3 8UC1 8UC4 32FC1 32FC4 data type
- CV_EXPORTS void Laplacian(const oclMat &src, oclMat &dst, int ddepth, int ksize = 1, double scale = 1);
+ // supports only ksize = 1 and ksize = 3
+ CV_EXPORTS void Laplacian(const oclMat &src, oclMat &dst, int ddepth, int ksize = 1, double scale = 1,
+ double delta=0, int borderType=BORDER_DEFAULT);
//! returns 2D box filter
- // supports CV_8UC1 and CV_8UC4 source type, dst type must be the same as source type
+ // dst type must be the same as source type
CV_EXPORTS Ptr<BaseFilter_GPU> getBoxFilter_GPU(int srcType, int dstType,
const Size &ksize, Point anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
const Point &anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
//! returns 2D filter with the specified kernel
- // supports CV_8UC1 and CV_8UC4 types
+ // supports: dst type must be the same as source type
CV_EXPORTS Ptr<BaseFilter_GPU> getLinearFilter_GPU(int srcType, int dstType, const Mat &kernel, const Size &ksize,
const Point &anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
//! returns the non-separable linear filter engine
+ // supports: dst type must be the same as source type
CV_EXPORTS Ptr<FilterEngine_GPU> createLinearFilter_GPU(int srcType, int dstType, const Mat &kernel,
const Point &anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
//! smooths the image using the normalized box filter
- // supports data type: CV_8UC1, CV_8UC4, CV_32FC1 and CV_32FC4
- // supports border type: BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT,BORDER_REFLECT_101,BORDER_WRAP
CV_EXPORTS void boxFilter(const oclMat &src, oclMat &dst, int ddepth, Size ksize,
Point anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
const Point &anchor = Point(-1, -1), int iterations = 1);
//! a synonym for normalized box filter
- // supports data type: CV_8UC1, CV_8UC4, CV_32FC1 and CV_32FC4
- // supports border type: BORDER_CONSTANT, BORDER_REPLICATE, BORDER_REFLECT,BORDER_REFLECT_101
static inline void blur(const oclMat &src, oclMat &dst, Size ksize, Point anchor = Point(-1, -1),
int borderType = BORDER_CONSTANT)
{
}
//! applies non-separable 2D linear filter to the image
- // Note, at the moment this function only works when anchor point is in the kernel center
- // and kernel size supported is either 3x3 or 5x5; otherwise the function will fail to output valid result
CV_EXPORTS void filter2D(const oclMat &src, oclMat &dst, int ddepth, const Mat &kernel,
- Point anchor = Point(-1, -1), int borderType = BORDER_DEFAULT);
+ Point anchor = Point(-1, -1), double delta = 0.0, int borderType = BORDER_DEFAULT);
//! applies separable 2D linear filter to the image
CV_EXPORTS void sepFilter2D(const oclMat &src, oclMat &dst, int ddepth, const Mat &kernelX, const Mat &kernelY,
//! Applies a generic geometrical transformation to an image.
// Supports INTER_NEAREST, INTER_LINEAR.
-
// Map1 supports CV_16SC2, CV_32FC2 types.
-
// Src supports CV_8UC1, CV_8UC2, CV_8UC4.
-
CV_EXPORTS void remap(const oclMat &src, oclMat &dst, oclMat &map1, oclMat &map2, int interpolation, int bordertype, const Scalar &value = Scalar());
//! copies 2D array to a larger destination array and pads borders with user-specifiable constant
CV_EXPORTS void copyMakeBorder(const oclMat &src, oclMat &dst, int top, int bottom, int left, int right, int boardtype, const Scalar &value = Scalar());
//! Smoothes image using median filter
- // The source 1- or 4-channel image. When m is 3 or 5, the image depth should be CV 8U or CV 32F.
+ // The source 1- or 4-channel image. m should be 3 or 5, the image depth should be CV_8U or CV_32F.
CV_EXPORTS void medianFilter(const oclMat &src, oclMat &dst, int m);
//! warps the image using affine transformation
CV_EXPORTS void warpPerspective(const oclMat &src, oclMat &dst, const Mat &M, Size dsize, int flags = INTER_LINEAR);
//! computes the integral image and integral for the squared image
- // sum will have CV_32S type, sqsum - CV32F type
+ // sum will support CV_32S, CV_32F, sqsum - support CV32F, CV_64F
// supports only CV_8UC1 source type
- CV_EXPORTS void integral(const oclMat &src, oclMat &sum, oclMat &sqsum);
- CV_EXPORTS void integral(const oclMat &src, oclMat &sum);
+ CV_EXPORTS void integral(const oclMat &src, oclMat &sum, oclMat &sqsum, int sdepth=-1 );
+ CV_EXPORTS void integral(const oclMat &src, oclMat &sum, int sdepth=-1 );
CV_EXPORTS void cornerHarris(const oclMat &src, oclMat &dst, int blockSize, int ksize, double k, int bordertype = cv::BORDER_DEFAULT);
CV_EXPORTS void cornerHarris_dxdy(const oclMat &src, oclMat &dst, oclMat &Dx, oclMat &Dy,
int blockSize, int ksize, double k, int bordertype = cv::BORDER_DEFAULT);
//! Compute closest centers for each lines in source and lable it after center's index
// supports CV_32FC1/CV_32FC2/CV_32FC4 data type
- CV_EXPORTS void distanceToCenters(oclMat &dists, oclMat &labels, const oclMat &src, const oclMat ¢ers);
+ // supports NORM_L1 and NORM_L2 distType
+ // if indices is provided, only the indexed rows will be calculated and their results are in the same
+ // order of indices
+ CV_EXPORTS void distanceToCenters(const oclMat &src, const oclMat ¢ers, Mat &dists, Mat &labels, int distType = NORM_L2SQR);
//!Does k-means procedure on GPU
// supports CV_32FC1/CV_32FC2/CV_32FC4 data type
{
public:
void detectMultiScale(oclMat &image, CV_OUT std::vector<cv::Rect>& faces,
- double scaleFactor = 1.1, int minNeighbors = 3, int flags = 0,
- Size minSize = Size(), Size maxSize = Size());
+ double scaleFactor = 1.1, int minNeighbors = 3, int flags = 0,
+ Size minSize = Size(), Size maxSize = Size());
};
/////////////////////////////// Pyramid /////////////////////////////////////
struct CV_EXPORTS CannyBuf
{
- CannyBuf() : counter(NULL) {}
+ CannyBuf() : counter(1, 1, CV_32S) { }
~CannyBuf()
{
release();
}
- explicit CannyBuf(const Size &image_size, int apperture_size = 3) : counter(NULL)
+ explicit CannyBuf(const Size &image_size, int apperture_size = 3) : counter(1, 1, CV_32S)
{
create(image_size, apperture_size);
}
oclMat dx_buf, dy_buf;
oclMat magBuf, mapBuf;
oclMat trackBuf1, trackBuf2;
- void *counter;
+ oclMat counter;
Ptr<FilterEngine_GPU> filterDX, filterDY;
};
harrisK = harrisK_;
}
+ ////////////////////////////////// FAST Feature Detector //////////////////////////////////
+ class CV_EXPORTS FAST_OCL
+ {
+ public:
+ enum
+ {
+ X_ROW = 0,
+ Y_ROW,
+ RESPONSE_ROW,
+ ROWS_COUNT
+ };
+
+ // all features have same size
+ static const int FEATURE_SIZE = 7;
+
+ explicit FAST_OCL(int threshold, bool nonmaxSupression = true, double keypointsRatio = 0.05);
+
+ //! finds the keypoints using FAST detector
+ //! supports only CV_8UC1 images
+ void operator ()(const oclMat& image, const oclMat& mask, oclMat& keypoints);
+ void operator ()(const oclMat& image, const oclMat& mask, std::vector<KeyPoint>& keypoints);
+
+ //! download keypoints from device to host memory
+ static void downloadKeypoints(const oclMat& d_keypoints, std::vector<KeyPoint>& keypoints);
+
+ //! convert keypoints to KeyPoint vector
+ static void convertKeypoints(const Mat& h_keypoints, std::vector<KeyPoint>& keypoints);
+
+ //! release temporary buffer's memory
+ void release();
+
+ bool nonmaxSupression;
+
+ int threshold;
+
+ //! max keypoints = keypointsRatio * img.size().area()
+ double keypointsRatio;
+
+ //! find keypoints and compute it's response if nonmaxSupression is true
+ //! return count of detected keypoints
+ int calcKeyPointsLocation(const oclMat& image, const oclMat& mask);
+
+ //! get final array of keypoints
+ //! performs nonmax supression if needed
+ //! return final count of keypoints
+ int getKeyPoints(oclMat& keypoints);
+
+ private:
+ oclMat kpLoc_;
+ int count_;
+
+ oclMat score_;
+
+ oclMat d_keypoints_;
+
+ int calcKeypointsOCL(const oclMat& img, const oclMat& mask, int maxKeypoints);
+ int nonmaxSupressionOCL(oclMat& keypoints);
+ };
+
/////////////////////////////// PyrLKOpticalFlow /////////////////////////////////////
class CV_EXPORTS PyrLKOpticalFlow
float pos, oclMat &newFrame, oclMat &buf);
//! computes moments of the rasterized shape or a vector of points
- CV_EXPORTS Moments ocl_moments(InputArray _array, bool binaryImage);
+ //! _array should be a vector a points standing for the contour
+ CV_EXPORTS Moments ocl_moments(InputArray contour);
+ //! src should be a general image uploaded to the GPU.
+ //! the supported oclMat type are CV_8UC1, CV_16UC1, CV_16SC1, CV_32FC1 and CV_64FC1
+ //! to use type of CV_64FC1, the GPU should support CV_64FC1
+ CV_EXPORTS Moments ocl_moments(oclMat& src, bool binary);
class CV_EXPORTS StereoBM_OCL
{