141 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			4.5 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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| //                           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, 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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| // 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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| 
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| #include "test_precomp.hpp"
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| 
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| class CV_DecomposeProjectionMatrixTest : public cvtest::BaseTest
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| {
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| public:
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|     CV_DecomposeProjectionMatrixTest();
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| protected:
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|     void run(int);
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| };
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| 
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| CV_DecomposeProjectionMatrixTest::CV_DecomposeProjectionMatrixTest()
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| {
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|     test_case_count = 30;
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| }
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| 
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| 
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| void CV_DecomposeProjectionMatrixTest::run(int start_from)
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| {
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| 
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|     ts->set_failed_test_info(cvtest::TS::OK);
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| 
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|     cv::RNG& rng = ts->get_rng();
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|     int progress = 0;
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| 
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| 
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|     for (int iter = start_from; iter < test_case_count; ++iter)
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|     {
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|         ts->update_context(this, iter, true);
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|         progress = update_progress(progress, iter, test_case_count, 0);
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| 
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|         // Create the original (and random) camera matrix, rotation, and translation
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|         cv::Vec2d f, c;
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|         rng.fill(f, cv::RNG::UNIFORM, 300, 1000);
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|         rng.fill(c, cv::RNG::UNIFORM, 150, 600);
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| 
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|         double alpha = 0.01*rng.gaussian(1);
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| 
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|         cv::Matx33d origK(f(0), alpha*f(0), c(0),
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|                           0,          f(1), c(1),
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|                           0,             0,   1);
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| 
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| 
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|         cv::Vec3d rVec;
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|         rng.fill(rVec, cv::RNG::UNIFORM, -CV_PI, CV_PI);
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| 
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|         cv::Matx33d origR;
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|         Rodrigues(rVec, origR);
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| 
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|         cv::Vec3d origT;
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|         rng.fill(origT, cv::RNG::NORMAL, 0, 1);
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| 
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| 
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|         // Compose the projection matrix
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|         cv::Matx34d P(3,4);
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|         hconcat(origK*origR, origK*origT, P);
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| 
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| 
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|         // Decompose
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|         cv::Matx33d K, R;
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|         cv::Vec4d homogCameraCenter;
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|         decomposeProjectionMatrix(P, K, R, homogCameraCenter);
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| 
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| 
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|         // Recover translation from the camera center
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|         cv::Vec3d cameraCenter(homogCameraCenter(0), homogCameraCenter(1), homogCameraCenter(2));
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|         cameraCenter /= homogCameraCenter(3);
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| 
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|         cv::Vec3d t = -R*cameraCenter;
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| 
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| 
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|         const double thresh = 1e-6;
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|         if ( norm(origK, K, cv::NORM_INF) > thresh )
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|         {
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|             ts->set_failed_test_info(cvtest::TS::FAIL_BAD_ACCURACY);
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|             break;
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|         }
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| 
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|         if ( norm(origR, R, cv::NORM_INF) > thresh )
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|         {
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|             ts->set_failed_test_info(cvtest::TS::FAIL_BAD_ACCURACY);
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|             break;
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|         }
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| 
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|         if ( norm(origT, t, cv::NORM_INF) > thresh )
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|         {
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|             ts->set_failed_test_info(cvtest::TS::FAIL_BAD_ACCURACY);
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|             break;
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|         }
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| 
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|     }
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| 
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| }
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| 
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| TEST(Calib3d_DecomposeProjectionMatrix, accuracy)
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| {
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|     CV_DecomposeProjectionMatrixTest test;
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|     test.safe_run();
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| }
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