featurealgrithm.h

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// FeatureAlgrithm.h: interface for the CFeatureAlgrithm class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FEATUREALGRITHM_H__C2EDF25A_5014_40A5_9BC9_E3DD1418DDB1__INCLUDED_)
#define AFX_FEATUREALGRITHM_H__C2EDF25A_5014_40A5_9BC9_E3DD1418DDB1__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CFeatureAlgrithm  
{
public:
	void RobertsOperator(LPSTR  pDib, double * pdGrad);
	void SobelOperator(LPSTR pDib, double * pdGrad);
	void TraceEdge (int y, int x, int nLowThd, unsigned char *pUnchEdge, int *pnMag, int nWidth);
	void EstimateThreshold(int *pnMag, int nWidth, int nHeight, int *pnThdHigh,int *pnThdLow,unsigned char * pUnchEdge, double dRatioHigh, double dRationLow);
	void Hysteresis(int *pnMag, int nWidth, int nHeight, double dRatioLow,double dRatioHigh, unsigned char *pUnchEdge);
	void NonmaxSuppress(int *pnMag, int *pnGradX, int *pnGradY, int nWidth,int nHeight,	unsigned char *pUnchRst);
	void GradMagnitude(int *pnGradX, int *pnGradY, int nWidth, int nHeight, int *pnMag);
	void DirGrad(unsigned char *pUnchSmthdImg, int nWidth, int nHeight,int *pnGradX , int *pnGradY);
	void MakeGauss(double sigma, double **pdKernel, int *pnWindowSize);
	void GaussianSmooth(unsigned char *pUnchImg, int nWidth, int nHeight,double sigma, unsigned char * pUnchSmthdImg);
	void CCanny( unsigned char *pUnchImage, int nWidth, int nHeight, double sigma,
		double dRatioLow, double dRatioHigh, unsigned char *pUnchEdge );
	CFeatureAlgrithm();
	virtual ~CFeatureAlgrithm();

};

#endif // !defined(AFX_FEATUREALGRITHM_H__C2EDF25A_5014_40A5_9BC9_E3DD1418DDB1__INCLUDED_)