www.pudn.com > OPENCV_SIFT_VC6.rar > ScaleSpace.h

// ScaleSpace.h: interface for the CScaleSpace class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_SCALESPACE_H__FFE6650E_611F_4919_B6CD_C52C4566551B__INCLUDED_) 
#define AFX_SCALESPACE_H__FFE6650E_611F_4919_B6CD_C52C4566551B__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
#include "cv.h" 
#include  
#include "KeyPoint.h" 
 
#define PI 3.141568 
 
class CScalePoint 
{ 
public: 
	CScalePoint (int x,int y,int level) 
	{ 
		m_x = x; 
		m_y = y; 
		m_level = level; 
	}; 
	int m_x, m_y; 
	int m_level; 
	double m_fineX,m_fineY; 
	double m_fineS; 
	double m_DValue; 
}; 
 
class CScaleSpace   
{ 
public:	 
	void ClearMagnitudeAndDirectionMaps(); 
	void GenMagnitudeAndDirectionMaps(); 
	CScaleSpace (int s,double basePixScale); 
	void findPeak (double r,double dogThresh,std::vector* vec); 
	int getDoGCount(); 
	IplImage* getDoG (int i); 
	void buildDoG(IplImage *img,double sigma,double basePixScale); 
	virtual ~CScaleSpace(); 
	void filterAndLocalizePeaks (std::vector& peaks,std::vector* filtered, double dValueLoThresh, double scaleAdjustThresh, int relocationMaximum);	 
	void GenerateKeypoints (std::vector& localizedPeaks, std::vector* keypoints,int scaleCount, double octaveSigma); 
private: 
	void CreateDescriptors (std::vector* keypoints, 
		IplImage* magnitude, IplImage* direction, 
		double considerScaleFactor, int descDim, int directionCount, 
		double fvGradHicap); 
	void GenerateKeypointSingle (double imgScale, CScalePoint point, 
		int binCount, double peakRelThresh, int scaleCount, 
		double octaveSigma,std::vector*vec); 
	void AverageWeakBins (double* bins, int binCount); 
	bool InterpolateOrientation (double left, double middle, 
							 double right, double* degreeCorrection, double* peakValue); 
	bool LocalizeIsWeak (CScalePoint& peak, int steps, CvMat* processed); 
	void GetAdjustment (CScalePoint& point, int level, int x, int y, double* dp,CvMat* adj); 
	int m_scaleLevel,m_dogCount,m_gaussCount; 
	// Different of Gaussian Image 
	double m_basePixScale; 
	IplImage **m_dogImgs; 
	IplImage **m_gaussImgs; 
	IplImage **m_magnitudes,**m_directions; 
}; 
 
#endif // !defined(AFX_SCALESPACE_H__FFE6650E_611F_4919_B6CD_C52C4566551B__INCLUDED_)