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1. someMatrix.data -> someMatrix.prt() 2. someMatrix.data + someMatrix.step * lineIndex -> someMatrix.ptr( lineIndex ) 3. (SomeType*) someMatrix.data -> someMatrix.ptr<SomeType>() 4. someMatrix.data -> !someMatrix.empty() ( or !someMatrix.data -> someMatrix.empty() ) in logical expressions
133 lines
4.5 KiB
C++
133 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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#include "test_precomp.hpp"
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#include <string>
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using namespace cv;
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using namespace std;
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class CV_WatershedTest : public cvtest::BaseTest
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{
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public:
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CV_WatershedTest();
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~CV_WatershedTest();
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protected:
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void run(int);
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};
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CV_WatershedTest::CV_WatershedTest() {}
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CV_WatershedTest::~CV_WatershedTest() {}
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void CV_WatershedTest::run( int /* start_from */)
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{
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string exp_path = string(ts->get_data_path()) + "watershed/wshed_exp.png";
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Mat exp = imread(exp_path, 0);
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Mat orig = imread(string(ts->get_data_path()) + "inpaint/orig.png");
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FileStorage fs(string(ts->get_data_path()) + "watershed/comp.xml", FileStorage::READ);
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if (orig.empty() || !fs.isOpened())
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{
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ts->set_failed_test_info( cvtest::TS::FAIL_INVALID_TEST_DATA );
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return;
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}
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CvSeq* cnts = (CvSeq*)fs["contours"].readObj();
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Mat markers(orig.size(), CV_32SC1);
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markers = Scalar(0);
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IplImage iplmrks = markers;
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vector<unsigned char> colors(1);
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for(int i = 0; cnts != 0; cnts = cnts->h_next, ++i )
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{
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cvDrawContours( &iplmrks, cnts, Scalar::all(i + 1), Scalar::all(i + 1), -1, CV_FILLED);
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Point* p = (Point*)cvGetSeqElem(cnts, 0);
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//expected image was added with 1 in order to save to png
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//so now we substract 1 to get real color
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if(!exp.empty())
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colors.push_back(exp.ptr(p->y)[p->x] - 1);
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}
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fs.release();
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const int compNum = (int)(colors.size() - 1);
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watershed(orig, markers);
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for(int j = 0; j < markers.rows; ++j)
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{
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int* line = markers.ptr<int>(j);
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for(int i = 0; i < markers.cols; ++i)
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{
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int& pixel = line[i];
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if (pixel == -1) // border
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continue;
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if (pixel <= 0 || pixel > compNum)
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continue; // bad result, doing nothing and going to get error latter;
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// repaint in saved color to compare with expected;
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if(!exp.empty())
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pixel = colors[pixel];
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}
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}
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Mat markers8U;
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markers.convertTo(markers8U, CV_8U, 1, 1);
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if( exp.empty() || orig.size() != exp.size() )
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{
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imwrite(exp_path, markers8U);
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exp = markers8U;
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}
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if (0 != norm(markers8U, exp, NORM_INF))
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{
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ts->set_failed_test_info( cvtest::TS::FAIL_MISMATCH );
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return;
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}
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ts->set_failed_test_info(cvtest::TS::OK);
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}
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TEST(Imgproc_Watershed, regression) { CV_WatershedTest test; test.safe_run(); }
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