1 #include "opencv2/core.hpp"
2
3 #include "traincascade_features.h"
4 #include "cascadeclassifier.h"
5
6 using namespace std;
7 using namespace cv;
8
calcNormFactor(const Mat & sum,const Mat & sqSum)9 float calcNormFactor( const Mat& sum, const Mat& sqSum )
10 {
11 CV_DbgAssert( sum.cols > 3 && sqSum.rows > 3 );
12 Rect normrect( 1, 1, sum.cols - 3, sum.rows - 3 );
13 size_t p0, p1, p2, p3;
14 CV_SUM_OFFSETS( p0, p1, p2, p3, normrect, sum.step1() )
15 double area = normrect.width * normrect.height;
16 const int *sp = sum.ptr<int>();
17 int valSum = sp[p0] - sp[p1] - sp[p2] + sp[p3];
18 const double *sqp = sqSum.ptr<double>();
19 double valSqSum = sqp[p0] - sqp[p1] - sqp[p2] + sqp[p3];
20 return (float) sqrt( (double) (area * valSqSum - (double)valSum * valSum) );
21 }
22
CvParams()23 CvParams::CvParams() : name( "params" ) {}
printDefaults() const24 void CvParams::printDefaults() const
25 { cout << "--" << name << "--" << endl; }
printAttrs() const26 void CvParams::printAttrs() const {}
scanAttr(const string,const string)27 bool CvParams::scanAttr( const string, const string ) { return false; }
28
29
30 //---------------------------- FeatureParams --------------------------------------
31
CvFeatureParams()32 CvFeatureParams::CvFeatureParams() : maxCatCount( 0 ), featSize( 1 )
33 {
34 name = CC_FEATURE_PARAMS;
35 }
36
init(const CvFeatureParams & fp)37 void CvFeatureParams::init( const CvFeatureParams& fp )
38 {
39 maxCatCount = fp.maxCatCount;
40 featSize = fp.featSize;
41 }
42
write(FileStorage & fs) const43 void CvFeatureParams::write( FileStorage &fs ) const
44 {
45 fs << CC_MAX_CAT_COUNT << maxCatCount;
46 fs << CC_FEATURE_SIZE << featSize;
47 }
48
read(const FileNode & node)49 bool CvFeatureParams::read( const FileNode &node )
50 {
51 if ( node.empty() )
52 return false;
53 maxCatCount = node[CC_MAX_CAT_COUNT];
54 featSize = node[CC_FEATURE_SIZE];
55 return ( maxCatCount >= 0 && featSize >= 1 );
56 }
57
create(int featureType)58 Ptr<CvFeatureParams> CvFeatureParams::create( int featureType )
59 {
60 return featureType == HAAR ? Ptr<CvFeatureParams>(new CvHaarFeatureParams) :
61 featureType == LBP ? Ptr<CvFeatureParams>(new CvLBPFeatureParams) :
62 featureType == HOG ? Ptr<CvFeatureParams>(new CvHOGFeatureParams) :
63 Ptr<CvFeatureParams>();
64 }
65
66 //------------------------------------- FeatureEvaluator ---------------------------------------
67
init(const CvFeatureParams * _featureParams,int _maxSampleCount,Size _winSize)68 void CvFeatureEvaluator::init(const CvFeatureParams *_featureParams,
69 int _maxSampleCount, Size _winSize )
70 {
71 CV_Assert(_maxSampleCount > 0);
72 featureParams = (CvFeatureParams *)_featureParams;
73 winSize = _winSize;
74 numFeatures = 0;
75 cls.create( (int)_maxSampleCount, 1, CV_32FC1 );
76 generateFeatures();
77 }
78
setImage(const Mat & img,uchar clsLabel,int idx)79 void CvFeatureEvaluator::setImage(const Mat &img, uchar clsLabel, int idx)
80 {
81 CV_Assert(img.cols == winSize.width);
82 CV_Assert(img.rows == winSize.height);
83 CV_Assert(idx < cls.rows);
84 cls.ptr<float>(idx)[0] = clsLabel;
85 }
86
create(int type)87 Ptr<CvFeatureEvaluator> CvFeatureEvaluator::create(int type)
88 {
89 return type == CvFeatureParams::HAAR ? Ptr<CvFeatureEvaluator>(new CvHaarEvaluator) :
90 type == CvFeatureParams::LBP ? Ptr<CvFeatureEvaluator>(new CvLBPEvaluator) :
91 type == CvFeatureParams::HOG ? Ptr<CvFeatureEvaluator>(new CvHOGEvaluator) :
92 Ptr<CvFeatureEvaluator>();
93 }
94