Open Source Computer Vision Library
https://opencv.org/
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112 lines
4.0 KiB
112 lines
4.0 KiB
/*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) 2008, 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 Intel Corporation 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 "precomp.hpp" |
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namespace cv |
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{ |
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void write(FileStorage& fs, const string& objname, const vector<KeyPoint>& keypoints) |
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{ |
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WriteStructContext ws(fs, objname, CV_NODE_SEQ + CV_NODE_FLOW); |
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int i, npoints = (int)keypoints.size(); |
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for( i = 0; i < npoints; i++ ) |
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{ |
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const KeyPoint& kpt = keypoints[i]; |
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write(fs, kpt.pt.x); |
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write(fs, kpt.pt.y); |
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write(fs, kpt.size); |
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write(fs, kpt.angle); |
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write(fs, kpt.response); |
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write(fs, kpt.octave); |
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} |
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} |
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void read(const FileNode& node, vector<KeyPoint>& keypoints) |
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{ |
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keypoints.resize(0); |
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FileNodeIterator it = node.begin(), it_end = node.end(); |
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for( ; it != it_end; ) |
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{ |
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KeyPoint kpt; |
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it >> kpt.pt.x >> kpt.pt.y >> kpt.size >> kpt.angle >> kpt.response >> kpt.octave; |
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keypoints.push_back(kpt); |
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} |
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} |
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void KeyPoint::convert(const std::vector<KeyPoint>& keypoints, std::vector<Point2f>& points2f, |
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const vector<int>& keypointIndexes) |
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{ |
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if( keypointIndexes.empty() ) |
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{ |
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points2f.resize( keypoints.size() ); |
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for( size_t i = 0; i < keypoints.size(); i++ ) |
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points2f[i] = keypoints[i].pt; |
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} |
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else |
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{ |
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points2f.resize( keypointIndexes.size() ); |
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for( size_t i = 0; i < keypointIndexes.size(); i++ ) |
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{ |
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int idx = keypointIndexes[i]; |
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if( idx >= 0 ) |
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points2f[i] = keypoints[idx].pt; |
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else |
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{ |
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CV_Error( CV_StsBadArg, "keypointIndexes has element < 0. TODO: process this case" ); |
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//points2f[i] = Point2f(-1, -1); |
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} |
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} |
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} |
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} |
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void KeyPoint::convert( const std::vector<Point2f>& points2f, std::vector<KeyPoint>& keypoints, |
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float size, float response, int octave, int class_id ) |
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{ |
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for( size_t i = 0; i < points2f.size(); i++ ) |
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keypoints[i] = KeyPoint(points2f[i], size, -1, response, octave, class_id); |
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} |
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}
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