1 #include "opencv2/core/core.hpp"
2 #include "opencv2/core/internal.hpp"
4 #include "lbpfeatures.h"
5 #include "cascadeclassifier.h"
9 CvLBPFeatureParams::CvLBPFeatureParams()
15 void CvLBPEvaluator::init(const CvFeatureParams *_featureParams, int _maxSampleCount, Size _winSize)
17 CV_Assert( _maxSampleCount > 0);
18 sum.create((int)_maxSampleCount, (_winSize.width + 1) * (_winSize.height + 1), CV_32SC1);
19 CvFeatureEvaluator::init( _featureParams, _maxSampleCount, _winSize );
22 void CvLBPEvaluator::setImage(const Mat &img, uchar clsLabel, int idx)
24 CV_DbgAssert( !sum.empty() );
25 CvFeatureEvaluator::setImage( img, clsLabel, idx );
26 Mat innSum(winSize.height + 1, winSize.width + 1, sum.type(), sum.ptr<int>((int)idx));
27 integral( img, innSum );
30 void CvLBPEvaluator::writeFeatures( FileStorage &fs, const Mat& featureMap ) const
32 _writeFeatures( features, fs, featureMap );
35 void CvLBPEvaluator::generateFeatures()
37 int offset = winSize.width + 1;
38 for( int x = 0; x < winSize.width; x++ )
39 for( int y = 0; y < winSize.height; y++ )
40 for( int w = 1; w <= winSize.width / 3; w++ )
41 for( int h = 1; h <= winSize.height / 3; h++ )
42 if ( (x+3*w <= winSize.width) && (y+3*h <= winSize.height) )
43 features.push_back( Feature(offset, x, y, w, h ) );
44 numFeatures = (int)features.size();
47 CvLBPEvaluator::Feature::Feature()
49 rect = cvRect(0, 0, 0, 0);
52 CvLBPEvaluator::Feature::Feature( int offset, int x, int y, int _blockWidth, int _blockHeight )
54 Rect tr = rect = cvRect(x, y, _blockWidth, _blockHeight);
55 CV_SUM_OFFSETS( p[0], p[1], p[4], p[5], tr, offset )
57 CV_SUM_OFFSETS( p[2], p[3], p[6], p[7], tr, offset )
59 CV_SUM_OFFSETS( p[10], p[11], p[14], p[15], tr, offset )
61 CV_SUM_OFFSETS( p[8], p[9], p[12], p[13], tr, offset )
64 void CvLBPEvaluator::Feature::write(FileStorage &fs) const
66 fs << CC_RECT << "[:" << rect.x << rect.y << rect.width << rect.height << "]";