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116 lines
4.5 KiB
116 lines
4.5 KiB
/* |
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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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License Agreement |
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For Open Source Computer Vision Library |
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(3-clause BSD License) |
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Copyright (C) 2000-2015, Intel Corporation, all rights reserved. |
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Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved. |
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Copyright (C) 2009-2015, NVIDIA Corporation, all rights reserved. |
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Copyright (C) 2010-2013, Advanced Micro Devices, Inc., all rights reserved. |
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Copyright (C) 2015, OpenCV Foundation, all rights reserved. |
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Copyright (C) 2015, Itseez Inc., all rights reserved. |
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Third party copyrights are property of their respective owners. |
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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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* Redistributions 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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* Redistributions 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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* Neither the names of the copyright holders nor the names of the contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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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 copyright holders 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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#ifndef _OPENCV_LBPFEATURES_H_ |
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#define _OPENCV_LBPFEATURES_H_ |
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#include "precomp.hpp" |
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#define LBPF_NAME "lbpFeatureParams" |
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namespace cv { |
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namespace xobjdetect { |
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struct CvLBPFeatureParams : CvFeatureParams |
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{ |
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CvLBPFeatureParams(); |
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}; |
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class CvLBPEvaluator : public CvFeatureEvaluator |
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{ |
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public: |
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virtual ~CvLBPEvaluator() {} |
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virtual void init(const CvFeatureParams *_featureParams, |
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int _maxSampleCount, cv::Size _winSize ) CV_OVERRIDE; |
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virtual void setImage(const cv::Mat& img, uchar clsLabel, int idx, const std::vector<int> &feature_ind) CV_OVERRIDE; |
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virtual void setWindow(const cv::Point& p) CV_OVERRIDE |
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{ cur_sum = sum.rowRange(p.y, p.y + winSize.height).colRange(p.x, p.x + winSize.width); } |
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virtual float operator()(int featureIdx) CV_OVERRIDE |
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{ return (float)features[featureIdx].calc( cur_sum ); } |
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virtual void writeFeatures( cv::FileStorage &fs, const cv::Mat& featureMap ) const CV_OVERRIDE; |
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protected: |
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virtual void generateFeatures() CV_OVERRIDE; |
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class Feature |
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{ |
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public: |
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Feature(); |
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Feature( int offset, int x, int y, int _block_w, int _block_h ); |
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uchar calc( const cv::Mat& _sum ); |
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void write( cv::FileStorage &fs ) const; |
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cv::Rect rect; |
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int p[16]; |
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int x_, y_, block_w_, block_h_, offset_; |
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void calcPoints(int offset); |
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}; |
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std::vector<Feature> features; |
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cv::Mat sum, cur_sum; |
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int offset_; |
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}; |
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inline uchar CvLBPEvaluator::Feature::calc(const cv::Mat &_sum) |
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{ |
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const int* psum = _sum.ptr<int>(); |
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int cval = psum[p[5]] - psum[p[6]] - psum[p[9]] + psum[p[10]]; |
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return (uchar)((psum[p[0]] - psum[p[1]] - psum[p[4]] + psum[p[5]] >= cval ? 128 : 0) | // 0 |
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(psum[p[1]] - psum[p[2]] - psum[p[5]] + psum[p[6]] >= cval ? 64 : 0) | // 1 |
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(psum[p[2]] - psum[p[3]] - psum[p[6]] + psum[p[7]] >= cval ? 32 : 0) | // 2 |
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(psum[p[6]] - psum[p[7]] - psum[p[10]] + psum[p[11]] >= cval ? 16 : 0) | // 5 |
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(psum[p[10]] - psum[p[11]] - psum[p[14]] + psum[p[15]] >= cval ? 8 : 0) | // 8 |
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(psum[p[9]] - psum[p[10]] - psum[p[13]] + psum[p[14]] >= cval ? 4 : 0) | // 7 |
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(psum[p[8]] - psum[p[9]] - psum[p[12]] + psum[p[13]] >= cval ? 2 : 0) | // 6 |
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(psum[p[4]] - psum[p[5]] - psum[p[8]] + psum[p[9]] >= cval ? 1 : 0)); // 3 |
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} |
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} |
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} |
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#endif
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