diff --git a/modules/imgproc/test/test_adpativethresh.cpp b/modules/imgproc/test/test_adpativethresh.cpp new file mode 100644 index 0000000000..19e342b3a5 --- /dev/null +++ b/modules/imgproc/test/test_adpativethresh.cpp @@ -0,0 +1,113 @@ +/*M/////////////////////////////////////////////////////////////////////////////////////// +// +// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. +// +// By downloading, copying, installing or using the software you agree to this license. +// If you do not agree to this license, do not download, install, +// copy or use the software. +// +// +// License Agreement +// For Open Source Computer Vision Library +// +// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. +// Copyright (C) 2009, Willow Garage Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistribution's of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution's in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * The name of the copyright holders may not be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// This software is provided by the copyright holders and contributors "as is" and +// any express or implied warranties, including, but not limited to, the implied +// warranties of merchantability and fitness for a particular purpose are disclaimed. +// In no event shall the Intel Corporation or contributors be liable for any direct, +// indirect, incidental, special, exemplary, or consequential damages +// (including, but not limited to, procurement of substitute goods or services; +// loss of use, data, or profits; or business interruption) however caused +// and on any theory of liability, whether in contract, strict liability, +// or tort (including negligence or otherwise) arising in any way out of +// the use of this software, even if advised of the possibility of such damage. +// +//M*/ + +#include "test_precomp.hpp" +#include + +using namespace cv; +using namespace std; + +class CV_Adaptivethresh : public cvtest::BaseTest +{ +public: + CV_Adaptivethresh(); + ~CV_Adaptivethresh(); +protected: + void run(int); +}; + +CV_Adaptivethresh::CV_Adaptivethresh() {} +CV_Adaptivethresh::~CV_Adaptivethresh() {} + +void CV_Adaptivethresh::run( int /* start_from */) +{ + string exp_path = string(ts->get_data_path()) + "adaptivethresh/lena_orig.png"; + Mat lena = imread(exp_path, 0); // CV_LOAD_IMAGE_GRAYSCALE=0 + if (lena.empty() ) + { + ts->set_failed_test_info( cvtest::TS::FAIL_MISSING_TEST_DATA ); + return; + } + int sum=0; + for (int i = 0; i < lena.rows; i++) + { + unsigned char *ptr = lena.ptr(i); + for (int j=0;jset_failed_test_info( cvtest::TS::FAIL_INVALID_TEST_DATA ); + return; + } + int windowSize[9] = {3,9,11,17,21,25,29,37,47}; + int expectedValueMean[9] = {96138,121836,124499,129096,130538,131330,131743,131616,131223}; + int expectedValueGaussNew[9] = {86308,112910,116197,122117,124672,126488,127855,129377,130387}; + int expectedValueGaussOld[9] = {88583,81365,154081,98049,149357,106414,179701,168433,90250}; + Mat im; + bool failed=false; + for(int i = 0; i<9; ++i ) + { + adaptiveThreshold( lena, im, 255,cv::ADAPTIVE_THRESH_MEAN_C,THRESH_BINARY,windowSize[i],0); + int numberWhite=countNonZero(im); + if (numberWhite != expectedValueMean[i]) + { + ts->set_failed_test_info( cvtest::TS::FAIL_MISMATCH ); + return; + } + adaptiveThreshold( lena, im, 255,cv::ADAPTIVE_THRESH_GAUSSIAN_C,THRESH_BINARY,windowSize[i],0); + if (numberWhite != expectedValueGaussNew[i]) + { + + if (numberWhite != expectedValueGaussOld[i]) + ts->set_failed_test_info( cvtest::TS::FAIL_BAD_ACCURACY ); + else + ts->set_failed_test_info( cvtest::TS::FAIL_MISMATCH ); + } + } + if (failed) + ts->set_failed_test_info(cvtest::TS::OK); + else + ts->set_failed_test_info(cvtest::TS::OK); +} + +TEST(Imgproc_Adaptivethresh, regression) { CV_Adaptivethresh test; test.safe_run(); }