1 #include "opencv2/core/core.hpp"
2 #include "opencv2/core/internal.hpp"
4 #include "traincascade_features.h"
5 #include "cascadeclassifier.h"
10 float calcNormFactor( const Mat& sum, const Mat& sqSum )
12 CV_DbgAssert( sum.cols > 3 && sqSum.rows > 3 );
13 Rect normrect( 1, 1, sum.cols - 3, sum.rows - 3 );
14 size_t p0, p1, p2, p3;
15 CV_SUM_OFFSETS( p0, p1, p2, p3, normrect, sum.step1() )
16 double area = normrect.width * normrect.height;
17 const int *sp = (const int*)sum.data;
18 int valSum = sp[p0] - sp[p1] - sp[p2] + sp[p3];
19 const double *sqp = (const double *)sqSum.data;
20 double valSqSum = sqp[p0] - sqp[p1] - sqp[p2] + sqp[p3];
21 return (float) sqrt( (double) (area * valSqSum - (double)valSum * valSum) );
24 CvParams::CvParams() : name( "params" ) {}
25 void CvParams::printDefaults() const
26 { cout << "--" << name << "--" << endl; }
27 void CvParams::printAttrs() const {}
28 bool CvParams::scanAttr( const string, const string ) { return false; }
31 //---------------------------- FeatureParams --------------------------------------
33 CvFeatureParams::CvFeatureParams() : maxCatCount( 0 ), featSize( 1 )
35 name = CC_FEATURE_PARAMS;
38 void CvFeatureParams::init( const CvFeatureParams& fp )
40 maxCatCount = fp.maxCatCount;
41 featSize = fp.featSize;
44 void CvFeatureParams::write( FileStorage &fs ) const
46 fs << CC_MAX_CAT_COUNT << maxCatCount;
47 fs << CC_FEATURE_SIZE << featSize;
50 bool CvFeatureParams::read( const FileNode &node )
54 maxCatCount = node[CC_MAX_CAT_COUNT];
55 featSize = node[CC_FEATURE_SIZE];
56 return ( maxCatCount >= 0 && featSize >= 1 );
59 Ptr<CvFeatureParams> CvFeatureParams::create( int featureType )
61 return featureType == HAAR ? Ptr<CvFeatureParams>(new CvHaarFeatureParams) :
62 featureType == LBP ? Ptr<CvFeatureParams>(new CvLBPFeatureParams) :
63 featureType == HOG ? Ptr<CvFeatureParams>(new CvHOGFeatureParams) :
64 Ptr<CvFeatureParams>();
67 //------------------------------------- FeatureEvaluator ---------------------------------------
69 void CvFeatureEvaluator::init(const CvFeatureParams *_featureParams,
70 int _maxSampleCount, Size _winSize )
72 CV_Assert(_maxSampleCount > 0);
73 featureParams = (CvFeatureParams *)_featureParams;
76 cls.create( (int)_maxSampleCount, 1, CV_32FC1 );
80 void CvFeatureEvaluator::setImage(const Mat &img, uchar clsLabel, int idx)
82 CV_Assert(img.cols == winSize.width);
83 CV_Assert(img.rows == winSize.height);
84 CV_Assert(idx < cls.rows);
85 cls.ptr<float>(idx)[0] = clsLabel;
88 Ptr<CvFeatureEvaluator> CvFeatureEvaluator::create(int type)
90 return type == CvFeatureParams::HAAR ? Ptr<CvFeatureEvaluator>(new CvHaarEvaluator) :
91 type == CvFeatureParams::LBP ? Ptr<CvFeatureEvaluator>(new CvLBPEvaluator) :
92 type == CvFeatureParams::HOG ? Ptr<CvFeatureEvaluator>(new CvHOGEvaluator) :
93 Ptr<CvFeatureEvaluator>();