123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
/*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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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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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 Intel Corporation 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 "cvtest.h"
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/*////////////////////// emd_test /////////////////////////*/
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typedef struct matr_info
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{
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float* x_origin;
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float* y_origin;
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float* matr;
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int rows;
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int cols;
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}
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matr_info;
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static float matr_dist( const float* x, const float* y, void* param )
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{
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matr_info* mi = (matr_info*)param;
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int i = (int)(x - mi->x_origin) - 1;
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int j = (int)(y - mi->y_origin) - 1;
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assert( 0 <= i && i < mi->rows &&
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0 <= j && j < mi->cols );
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return mi->matr[i*mi->cols + j];
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}
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class CV_EMDTest : public CvTest
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{
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public:
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CV_EMDTest();
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protected:
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void run(int);
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};
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CV_EMDTest::CV_EMDTest():
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CvTest( "emd", "cvCalcEMD" )
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{
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support_testing_modes = CvTS::CORRECTNESS_CHECK_MODE;
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}
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void CV_EMDTest::run( int )
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{
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int code = CvTS::OK;
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const double success_error_level = 1e-6;
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#define M 10000
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double emd0 = 2460./210;
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static float cost[] =
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{
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16, 16, 13, 22, 17,
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14, 14, 13, 19, 15,
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19, 19, 20, 23, M,
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M , 0, M, 0, 0
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};
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static float w1[] = { 50, 60, 50, 50 },
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w2[] = { 30, 20, 70, 30, 60 };
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matr_info mi;
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float emd;
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mi.x_origin = w1;
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mi.y_origin = w2;
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mi.rows = sizeof(w1)/sizeof(w1[0]);
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mi.cols = sizeof(w2)/sizeof(w2[0]);
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mi.matr = cost;
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emd = cvCalcEMD( w1, mi.rows, w2, mi.cols, 0, (CvDisType)-1,
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matr_dist, 0, &mi );
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if( fabs( emd - emd0 ) > success_error_level*emd0 )
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{
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ts->printf( CvTS::LOG,
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"The computed distance is %.2f, while it should be %.2f\n", emd, emd0 );
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code = CvTS::FAIL_BAD_ACCURACY;
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}
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if( code < 0 )
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ts->set_failed_test_info( code );
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}
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CV_EMDTest emd_test;
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/* End of file. */
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