1 /*M///////////////////////////////////////////////////////////////////////////////////////
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6 // If you do not agree to this license, do not download, install,
7 // copy or use the software.
11 // For Open Source Computer Vision Library
13 // Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
14 // Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
15 // Third party copyrights are property of their respective owners.
18 // Jin Ma, jin@multicorewareinc.com
19 // Xiaopeng Fu, fuxiaopeng2222@163.com
20 // Redistribution and use in source and binary forms, with or without modification,
21 // are permitted provided that the following conditions are met:
23 // * Redistribution's of source code must retain the above copyright notice,
24 // this list of conditions and the following disclaimer.
26 // * Redistribution's in binary form must reproduce the above copyright notice,
27 // this list of conditions and the following disclaimer in the documentation
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40 // and on any theory of liability, whether in contract, strict liability,
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42 // the use of this software, even if advised of the possibility of such damage.
45 #include "perf_precomp.hpp"
48 using namespace cv::ocl;
50 using std::tr1::tuple;
52 ////////////////////////////////// K-NEAREST NEIGHBOR ////////////////////////////////////
53 static void genData(Mat& trainData, Size size, Mat& trainLabel = Mat().setTo(Scalar::all(0)), int nClasses = 0)
55 trainData.create(size, CV_32FC1);
56 randu(trainData, 1.0, 100.0);
60 trainLabel.create(size.height, 1, CV_8UC1);
61 randu(trainLabel, 0, nClasses - 1);
62 trainLabel.convertTo(trainLabel, CV_32FC1);
66 typedef tuple<int> KNNParamType;
67 typedef TestBaseWithParam<KNNParamType> KNNFixture;
69 PERF_TEST_P(KNNFixture, KNN,
70 testing::Values(1000, 2000, 4000))
72 KNNParamType params = GetParam();
73 const int rows = get<0>(params);
77 Mat trainData, trainLabels;
78 Size size(columns, rows);
79 genData(trainData, size, trainLabels, 3);
82 genData(testData, size);
90 knn_cpu.train(trainData, trainLabels);
91 knn_cpu.find_nearest(testData, k, &best_label);
93 }else if(RUN_OCL_IMPL)
95 cv::ocl::oclMat best_label_ocl;
96 cv::ocl::oclMat testdata;
97 testdata.upload(testData);
101 cv::ocl::KNearestNeighbour knn_ocl;
102 knn_ocl.train(trainData, trainLabels);
103 knn_ocl.find_nearest(testdata, k, best_label_ocl);
105 best_label_ocl.download(best_label);
108 SANITY_CHECK(best_label);