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112 lines
3.8 KiB
C++
112 lines
3.8 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) 2014, Biagio Montesano, 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 <iostream>
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#include <opencv2/opencv_modules.hpp>
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#ifdef HAVE_OPENCV_FEATURES2D
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#include <opencv2/line_descriptor.hpp>
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#include <opencv2/core/utility.hpp>
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#include <opencv2/imgproc.hpp>
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#include <opencv2/features2d.hpp>
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#include <opencv2/highgui.hpp>
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using namespace cv;
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using namespace cv::line_descriptor;
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static const char* keys =
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{ "{@image_path | | Image path }" };
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static void help()
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{
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std::cout << "\nThis example shows the functionalities of lines extraction " << "and descriptors computation furnished by BinaryDescriptor class\n"
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<< "Please, run this sample using a command in the form\n" << "./example_line_descriptor_compute_descriptors <path_to_input_image>"
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<< std::endl;
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}
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int main( int argc, char** argv )
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{
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/* get parameters from command line */
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CommandLineParser parser( argc, argv, keys );
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String image_path = parser.get<String>( 0 );
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if( image_path.empty() )
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{
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help();
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return -1;
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}
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/* load image */
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cv::Mat imageMat = imread( image_path, 1 );
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if( imageMat.data == NULL )
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{
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std::cout << "Error, image could not be loaded. Please, check its path" << std::endl;
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}
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/* create a binary mask */
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cv::Mat mask = Mat::ones( imageMat.size(), CV_8UC1 );
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/* create a pointer to a BinaryDescriptor object with default parameters */
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Ptr<BinaryDescriptor> bd = BinaryDescriptor::createBinaryDescriptor();
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/* compute lines */
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std::vector<KeyLine> keylines;
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bd->detect( imageMat, keylines, mask );
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/* compute descriptors */
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cv::Mat descriptors;
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bd->compute( imageMat, keylines, descriptors);
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}
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#else
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int main()
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{
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std::cerr << "OpenCV was built without features2d module" << std::endl;
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return 0;
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}
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#endif // HAVE_OPENCV_FEATURES2D
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