Matthias Bady
12 years ago
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/*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) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009-2010, Willow Garage 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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// Matthias Bady aegirxx ==> gmail.com
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//
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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 "test_precomp.hpp" |
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using namespace std; |
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using namespace cv; |
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using namespace ocl; |
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#ifdef HAVE_OPENCL |
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namespace |
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{ |
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IMPLEMENT_PARAM_CLASS( BRIEF_Bytes, int ) |
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} |
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PARAM_TEST_CASE( BRIEF, BRIEF_Bytes ) |
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{ |
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int bytes; |
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virtual void SetUp( ) |
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{ |
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bytes = GET_PARAM( 0 ); |
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} |
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}; |
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OCL_TEST_P( BRIEF, Accuracy ) |
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{ |
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Mat img = readImage( "gpu/opticalflow/rubberwhale1.png", IMREAD_GRAYSCALE ); |
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ASSERT_TRUE( !img.empty( ) ) << "no input image"; |
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FastFeatureDetector fast( 20 ); |
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std::vector<KeyPoint> keypoints; |
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fast.detect( img, keypoints, Mat( ) ); |
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Mat descriptorsGold; |
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BriefDescriptorExtractor brief( bytes ); |
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brief.compute( img, keypoints, descriptorsGold ); |
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Mat kpMat( 2, keypoints.size( ), CV_32FC1 ); |
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for ( size_t i = 0; i < keypoints.size( ); ++i ) |
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{ |
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kpMat.col( i ).row( 0 ) = keypoints[i].pt.x; |
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kpMat.col( i ).row( 1 ) = keypoints[i].pt.y; |
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} |
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oclMat imgOcl( img ), keypointsOcl( kpMat ), descriptorsOcl, maskOcl; |
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BRIEF_OCL briefOcl( bytes ); |
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briefOcl.compute( imgOcl, keypointsOcl, maskOcl, descriptorsOcl ); |
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Mat mask, descriptors; |
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maskOcl.download( mask ); |
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descriptorsOcl.download( descriptors ); |
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const int numDesc = cv::countNonZero( mask ); |
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if ( numDesc != descriptors.cols ) |
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{ |
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size_t idx = 0; |
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Mat tmp( numDesc, bytes, CV_8UC1 ); |
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for ( int i = 0; i < descriptors.rows; ++i ) |
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{ |
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if ( mask.at<uchar>(i) ) |
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{ |
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descriptors.row( i ).copyTo( tmp.row( idx++ ) ); |
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} |
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} |
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descriptors = tmp; |
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} |
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ASSERT_TRUE( descriptors.size( ) == descriptorsGold.size( ) ) << "Different number of descriptors"; |
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ASSERT_TRUE( 0 == norm( descriptors, descriptorsGold, NORM_HAMMING ) ) << "Descriptors different"; |
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} |
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INSTANTIATE_TEST_CASE_P( OCL_Features2D, BRIEF, testing::Values( 16, 32, 64 ) ); |
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#endif |
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