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Open Source Computer Vision Library
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221 lines
8.5 KiB
221 lines
8.5 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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// 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 "test_precomp.hpp" |
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using namespace cv; |
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using namespace std; |
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class CV_POSITTest : public cvtest::BaseTest |
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{ |
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public: |
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CV_POSITTest(); |
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protected: |
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void run(int); |
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}; |
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CV_POSITTest::CV_POSITTest() |
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{ |
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test_case_count = 20; |
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} |
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void CV_POSITTest::run( int start_from ) |
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{ |
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int code = cvtest::TS::OK; |
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/* fixed parameters output */ |
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/*float rot[3][3]={ 0.49010f, 0.85057f, 0.19063f, |
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-0.56948f, 0.14671f, 0.80880f, |
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0.65997f, -0.50495f, 0.55629f }; |
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float trans[3] = { 0.0f, 0.0f, 40.02637f }; |
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*/ |
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/* Some variables */ |
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int i, counter; |
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CvTermCriteria criteria; |
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CvPoint3D32f* obj_points; |
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CvPoint2D32f* img_points; |
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CvPOSITObject* object; |
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float angleX, angleY, angleZ; |
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RNG& rng = ts->get_rng(); |
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int progress = 0; |
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CvMat* true_rotationX = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* true_rotationY = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* true_rotationZ = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* tmp_matrix = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* true_rotation = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* rotation = cvCreateMat( 3, 3, CV_32F ); |
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CvMat* translation = cvCreateMat( 3, 1, CV_32F ); |
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CvMat* true_translation = cvCreateMat( 3, 1, CV_32F ); |
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const float flFocalLength = 760.f; |
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const float flEpsilon = 0.5f; |
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/* Initilization */ |
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criteria.type = CV_TERMCRIT_EPS|CV_TERMCRIT_ITER; |
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criteria.epsilon = flEpsilon; |
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criteria.max_iter = 10000; |
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/* Allocating source arrays; */ |
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obj_points = (CvPoint3D32f*)cvAlloc( 8 * sizeof(CvPoint3D32f) ); |
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img_points = (CvPoint2D32f*)cvAlloc( 8 * sizeof(CvPoint2D32f) ); |
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/* Fill points arrays with values */ |
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/* cube model with edge size 10 */ |
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obj_points[0].x = 0; obj_points[0].y = 0; obj_points[0].z = 0; |
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obj_points[1].x = 10; obj_points[1].y = 0; obj_points[1].z = 0; |
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obj_points[2].x = 10; obj_points[2].y = 10; obj_points[2].z = 0; |
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obj_points[3].x = 0; obj_points[3].y = 10; obj_points[3].z = 0; |
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obj_points[4].x = 0; obj_points[4].y = 0; obj_points[4].z = 10; |
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obj_points[5].x = 10; obj_points[5].y = 0; obj_points[5].z = 10; |
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obj_points[6].x = 10; obj_points[6].y = 10; obj_points[6].z = 10; |
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obj_points[7].x = 0; obj_points[7].y = 10; obj_points[7].z = 10; |
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/* Loop for test some random object positions */ |
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for( counter = start_from; counter < test_case_count; counter++ ) |
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{ |
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ts->update_context( this, counter, true ); |
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progress = update_progress( progress, counter, test_case_count, 0 ); |
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/* set all rotation matrix to zero */ |
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cvZero( true_rotationX ); |
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cvZero( true_rotationY ); |
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cvZero( true_rotationZ ); |
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/* fill random rotation matrix */ |
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angleX = (float)(cvtest::randReal(rng)*2*CV_PI); |
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angleY = (float)(cvtest::randReal(rng)*2*CV_PI); |
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angleZ = (float)(cvtest::randReal(rng)*2*CV_PI); |
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true_rotationX->data.fl[0 *3+ 0] = 1; |
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true_rotationX->data.fl[1 *3+ 1] = (float)cos(angleX); |
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true_rotationX->data.fl[2 *3+ 2] = true_rotationX->data.fl[1 *3+ 1]; |
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true_rotationX->data.fl[1 *3+ 2] = -(float)sin(angleX); |
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true_rotationX->data.fl[2 *3+ 1] = -true_rotationX->data.fl[1 *3+ 2]; |
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true_rotationY->data.fl[1 *3+ 1] = 1; |
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true_rotationY->data.fl[0 *3+ 0] = (float)cos(angleY); |
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true_rotationY->data.fl[2 *3+ 2] = true_rotationY->data.fl[0 *3+ 0]; |
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true_rotationY->data.fl[0 *3+ 2] = -(float)sin(angleY); |
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true_rotationY->data.fl[2 *3+ 0] = -true_rotationY->data.fl[0 *3+ 2]; |
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true_rotationZ->data.fl[2 *3+ 2] = 1; |
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true_rotationZ->data.fl[0 *3+ 0] = (float)cos(angleZ); |
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true_rotationZ->data.fl[1 *3+ 1] = true_rotationZ->data.fl[0 *3+ 0]; |
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true_rotationZ->data.fl[0 *3+ 1] = -(float)sin(angleZ); |
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true_rotationZ->data.fl[1 *3+ 0] = -true_rotationZ->data.fl[0 *3+ 1]; |
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cvMatMul( true_rotationX, true_rotationY, tmp_matrix); |
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cvMatMul( tmp_matrix, true_rotationZ, true_rotation); |
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/* fill translation vector */ |
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true_translation->data.fl[2] = (float)(cvtest::randReal(rng)*(2*flFocalLength-40) + 60); |
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true_translation->data.fl[0] = (float)((cvtest::randReal(rng)*2-1)*true_translation->data.fl[2]); |
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true_translation->data.fl[1] = (float)((cvtest::randReal(rng)*2-1)*true_translation->data.fl[2]); |
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/* calculate perspective projection */ |
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for ( i = 0; i < 8; i++ ) |
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{ |
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float vec[3]; |
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CvMat Vec = cvMat( 3, 1, CV_32F, vec ); |
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CvMat Obj_point = cvMat( 3, 1, CV_32F, &obj_points[i].x ); |
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cvMatMul( true_rotation, &Obj_point, &Vec ); |
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vec[0] += true_translation->data.fl[0]; |
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vec[1] += true_translation->data.fl[1]; |
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vec[2] += true_translation->data.fl[2]; |
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img_points[i].x = flFocalLength * vec[0] / vec[2]; |
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img_points[i].y = flFocalLength * vec[1] / vec[2]; |
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} |
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/*img_points[0].x = 0 ; img_points[0].y = 0; |
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img_points[1].x = 80; img_points[1].y = -93; |
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img_points[2].x = 245;img_points[2].y = -77; |
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img_points[3].x = 185;img_points[3].y = 32; |
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img_points[4].x = 32; img_points[4].y = 135; |
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img_points[5].x = 99; img_points[5].y = 35; |
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img_points[6].x = 247; img_points[6].y = 62; |
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img_points[7].x = 195; img_points[7].y = 179; |
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*/ |
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object = cvCreatePOSITObject( obj_points, 8 ); |
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cvPOSIT( object, img_points, flFocalLength, criteria, |
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rotation->data.fl, translation->data.fl ); |
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cvReleasePOSITObject( &object ); |
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Mat _rotation = cvarrToMat(rotation), _true_rotation = cvarrToMat(true_rotation); |
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Mat _translation = cvarrToMat(translation), _true_translation = cvarrToMat(true_translation); |
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code = cvtest::cmpEps2( ts, _rotation, _true_rotation, flEpsilon, false, "rotation matrix" ); |
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if( code < 0 ) |
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break; |
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code = cvtest::cmpEps2( ts, _translation, _true_translation, flEpsilon, false, "translation vector" ); |
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if( code < 0 ) |
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break; |
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} |
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cvFree( &obj_points ); |
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cvFree( &img_points ); |
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cvReleaseMat( &true_rotationX ); |
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cvReleaseMat( &true_rotationY ); |
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cvReleaseMat( &true_rotationZ ); |
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cvReleaseMat( &tmp_matrix ); |
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cvReleaseMat( &true_rotation ); |
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cvReleaseMat( &rotation ); |
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cvReleaseMat( &translation ); |
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cvReleaseMat( &true_translation ); |
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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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TEST(Calib3d_POSIT, accuracy) { CV_POSITTest test; test.safe_run(); } |
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/* End of file. */
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