mirror of
https://github.com/opencv/opencv.git
synced 2024-12-25 18:18:04 +08:00
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#include "opencv2/core.hpp"
|
|
#include "opencv2/imgproc.hpp"
|
|
|
|
#include "lbpfeatures.h"
|
|
#include "cascadeclassifier.h"
|
|
|
|
using namespace cv;
|
|
|
|
CvLBPFeatureParams::CvLBPFeatureParams()
|
|
{
|
|
maxCatCount = 256;
|
|
name = LBPF_NAME;
|
|
}
|
|
|
|
void CvLBPEvaluator::init(const CvFeatureParams *_featureParams, int _maxSampleCount, Size _winSize)
|
|
{
|
|
CV_Assert( _maxSampleCount > 0);
|
|
sum.create((int)_maxSampleCount, (_winSize.width + 1) * (_winSize.height + 1), CV_32SC1);
|
|
CvFeatureEvaluator::init( _featureParams, _maxSampleCount, _winSize );
|
|
}
|
|
|
|
void CvLBPEvaluator::setImage(const Mat &img, uchar clsLabel, int idx)
|
|
{
|
|
CV_DbgAssert( !sum.empty() );
|
|
CvFeatureEvaluator::setImage( img, clsLabel, idx );
|
|
Mat innSum(winSize.height + 1, winSize.width + 1, sum.type(), sum.ptr<int>((int)idx));
|
|
integral( img, innSum );
|
|
}
|
|
|
|
void CvLBPEvaluator::writeFeatures( FileStorage &fs, const Mat& featureMap ) const
|
|
{
|
|
_writeFeatures( features, fs, featureMap );
|
|
}
|
|
|
|
void CvLBPEvaluator::generateFeatures()
|
|
{
|
|
int offset = winSize.width + 1;
|
|
for( int x = 0; x < winSize.width; x++ )
|
|
for( int y = 0; y < winSize.height; y++ )
|
|
for( int w = 1; w <= winSize.width / 3; w++ )
|
|
for( int h = 1; h <= winSize.height / 3; h++ )
|
|
if ( (x+3*w <= winSize.width) && (y+3*h <= winSize.height) )
|
|
features.push_back( Feature(offset, x, y, w, h ) );
|
|
numFeatures = (int)features.size();
|
|
}
|
|
|
|
CvLBPEvaluator::Feature::Feature()
|
|
{
|
|
rect = cvRect(0, 0, 0, 0);
|
|
}
|
|
|
|
CvLBPEvaluator::Feature::Feature( int offset, int x, int y, int _blockWidth, int _blockHeight )
|
|
{
|
|
Rect tr = rect = cvRect(x, y, _blockWidth, _blockHeight);
|
|
CV_SUM_OFFSETS( p[0], p[1], p[4], p[5], tr, offset )
|
|
tr.x += 2*rect.width;
|
|
CV_SUM_OFFSETS( p[2], p[3], p[6], p[7], tr, offset )
|
|
tr.y +=2*rect.height;
|
|
CV_SUM_OFFSETS( p[10], p[11], p[14], p[15], tr, offset )
|
|
tr.x -= 2*rect.width;
|
|
CV_SUM_OFFSETS( p[8], p[9], p[12], p[13], tr, offset )
|
|
}
|
|
|
|
void CvLBPEvaluator::Feature::write(FileStorage &fs) const
|
|
{
|
|
fs << CC_RECT << "[:" << rect.x << rect.y << rect.width << rect.height << "]";
|
|
}
|