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113 lines
4.0 KiB
C++
113 lines
4.0 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) 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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