opencv/modules/objdetect/src/haar.hpp

102 lines
3.5 KiB
C++

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/* Haar features calculation */
#ifndef OPENCV_OBJDETECT_HAAR_HPP
#define OPENCV_OBJDETECT_HAAR_HPP
#define CV_HAAR_FEATURE_MAX_LOCAL 3
typedef int sumtype;
typedef double sqsumtype;
typedef struct CvHidHaarFeature
{
struct
{
sumtype *p0, *p1, *p2, *p3;
float weight;
}
rect[CV_HAAR_FEATURE_MAX_LOCAL];
} CvHidHaarFeature;
typedef struct CvHidHaarTreeNode
{
CvHidHaarFeature feature;
float threshold;
int left;
int right;
} CvHidHaarTreeNode;
typedef struct CvHidHaarClassifier
{
int count;
//CvHaarFeature* orig_feature;
CvHidHaarTreeNode* node;
float* alpha;
} CvHidHaarClassifier;
#define calc_sumf(rect,offset) \
static_cast<float>((rect).p0[offset] - (rect).p1[offset] - (rect).p2[offset] + (rect).p3[offset])
namespace cv_haar_avx
{
#if 0 /*CV_TRY_AVX*/
#define CV_HAAR_USE_AVX 1
#else
#define CV_HAAR_USE_AVX 0
#endif
#if CV_HAAR_USE_AVX
// AVX version icvEvalHidHaarClassifier. Process 8 CvHidHaarClassifiers per call. Check AVX support before invocation!!
double icvEvalHidHaarClassifierAVX(CvHidHaarClassifier* classifier, double variance_norm_factor, size_t p_offset);
double icvEvalHidHaarStumpClassifierAVX(CvHidHaarClassifier* classifier, double variance_norm_factor, size_t p_offset);
double icvEvalHidHaarStumpClassifierTwoRectAVX(CvHidHaarClassifier* classifier, double variance_norm_factor, size_t p_offset);
#endif
}
#endif
/* End of file. */