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Open Source Computer Vision Library
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109 lines
3.9 KiB
109 lines
3.9 KiB
/*M/////////////////////////////////////////////////////////////////////////////////////// |
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// |
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
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// |
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// By downloading, copying, installing or using the software you agree to this license. |
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// If you do not agree to this license, do not download, install, |
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// copy or use the software. |
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// |
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// |
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// License Agreement |
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// For Open Source Computer Vision Library |
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// |
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved. |
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// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved. |
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// Third party copyrights are property of their respective owners. |
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// |
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// @Authors |
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// Jin Ma, jin@multicorewareinc.com |
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// Xiaopeng Fu, fuxiaopeng2222@163.com |
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// Redistribution and use in source and binary forms, with or without modification, |
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// are permitted provided that the following conditions are met: |
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// |
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// * Redistribution's of source code must retain the above copyright notice, |
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// this list of conditions and the following disclaimer. |
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// |
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// * Redistribution's in binary form must reproduce the above copyright notice, |
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// this list of conditions and the following disclaimer in the documentation |
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// and/or other materials provided with the distribution. |
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// |
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// * The name of the copyright holders may not be used to endorse or promote products |
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// derived from this software without specific prior written permission. |
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// |
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// This software is provided by the copyright holders and contributors as is and |
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// any express or implied warranties, including, but not limited to, the implied |
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// warranties of merchantability and fitness for a particular purpose are disclaimed. |
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// In no event shall the Intel Corporation or contributors be liable for any direct, |
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// indirect, incidental, special, exemplary, or consequential damages |
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// (including, but not limited to, procurement of substitute goods or services; |
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// loss of use, data, or profits; or business interruption) however caused |
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// and on any theory of liability, whether in contract, strict liability, |
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// or tort (including negligence or otherwise) arising in any way out of |
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// the use of this software, even if advised of the possibility of such damage. |
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// |
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//M*/ |
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#include "perf_precomp.hpp" |
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using namespace perf; |
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using namespace std; |
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using namespace cv::ocl; |
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using namespace cv; |
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using std::tr1::tuple; |
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using std::tr1::get; |
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////////////////////////////////// K-NEAREST NEIGHBOR //////////////////////////////////// |
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static void genData(Mat& trainData, Size size, Mat& trainLabel = Mat().setTo(Scalar::all(0)), int nClasses = 0) |
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{ |
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trainData.create(size, CV_32FC1); |
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randu(trainData, 1.0, 100.0); |
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if(nClasses != 0) |
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{ |
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trainLabel.create(size.height, 1, CV_8UC1); |
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randu(trainLabel, 0, nClasses - 1); |
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trainLabel.convertTo(trainLabel, CV_32FC1); |
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} |
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} |
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typedef tuple<int> KNNParamType; |
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typedef TestBaseWithParam<KNNParamType> KNNFixture; |
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PERF_TEST_P(KNNFixture, KNN, |
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testing::Values(1000, 2000, 4000)) |
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{ |
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KNNParamType params = GetParam(); |
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const int rows = get<0>(params); |
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int columns = 100; |
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int k = rows/250; |
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Mat trainData, trainLabels; |
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Size size(columns, rows); |
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genData(trainData, size, trainLabels, 3); |
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Mat testData; |
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genData(testData, size); |
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Mat best_label; |
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if(RUN_PLAIN_IMPL) |
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{ |
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TEST_CYCLE() |
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{ |
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CvKNearest knn_cpu; |
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knn_cpu.train(trainData, trainLabels); |
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knn_cpu.find_nearest(testData, k, &best_label); |
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} |
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}else if(RUN_OCL_IMPL) |
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{ |
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cv::ocl::oclMat best_label_ocl; |
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cv::ocl::oclMat testdata; |
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testdata.upload(testData); |
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OCL_TEST_CYCLE() |
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{ |
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cv::ocl::KNearestNeighbour knn_ocl; |
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knn_ocl.train(trainData, trainLabels); |
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knn_ocl.find_nearest(testdata, k, best_label_ocl); |
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} |
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best_label_ocl.download(best_label); |
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}else |
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OCL_PERF_ELSE |
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SANITY_CHECK(best_label); |
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} |