1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #include "test_precomp.hpp" 44 45 using namespace cv; 46 using namespace std; 47 48 namespace cvtest 49 { 50 51 /// phase correlation 52 class CV_PhaseCorrelatorTest : public cvtest::ArrayTest 53 { 54 public: 55 CV_PhaseCorrelatorTest(); 56 protected: 57 void run( int ); 58 }; 59 60 CV_PhaseCorrelatorTest::CV_PhaseCorrelatorTest() {} 61 62 void CV_PhaseCorrelatorTest::run( int ) 63 { 64 ts->set_failed_test_info(cvtest::TS::OK); 65 66 Mat r1 = Mat::ones(Size(129, 128), CV_64F); 67 Mat r2 = Mat::ones(Size(129, 128), CV_64F); 68 69 double expectedShiftX = -10.0; 70 double expectedShiftY = -20.0; 71 72 // draw 10x10 rectangles @ (100, 100) and (90, 80) should see ~(-10, -20) shift here... 73 cv::rectangle(r1, Point(100, 100), Point(110, 110), Scalar(0, 0, 0), CV_FILLED); 74 cv::rectangle(r2, Point(90, 80), Point(100, 90), Scalar(0, 0, 0), CV_FILLED); 75 76 Mat hann; 77 createHanningWindow(hann, r1.size(), CV_64F); 78 Point2d phaseShift = phaseCorrelate(r1, r2, hann); 79 80 // test accuracy should be less than 1 pixel... 81 if((expectedShiftX - phaseShift.x) >= 1 || (expectedShiftY - phaseShift.y) >= 1) 82 { 83 ts->set_failed_test_info( cvtest::TS::FAIL_BAD_ACCURACY ); 84 } 85 } 86 87 TEST(Imgproc_PhaseCorrelatorTest, accuracy) { CV_PhaseCorrelatorTest test; test.safe_run(); } 88 89 } 90