#define		BACK_ALL_NUM	100				//計算背景所需幀數
#define		BACK_SEQ_NUM	3				//計算背景循環數目
#define		THRESHOLD			20              //設置差分閾值
class CStaticDetect  
{
public:
	CStaticDetect(int nwidth, int nheight);
	virtual ~CStaticDetect();
	void ReceiveFrame(int index, BYTE* sBuf);	//主調用函數
public:
	BYTE *m_pCurImage;		 //當前圖像
	BYTE *m_pDetectImage;    //檢測結果圖像
	
	int m_nFrame, count;
	int WIDTH, HEIGHT,IMAGESIZE;
	short int *m_pBackHistgram;		//背景顏色統計
	BYTE *m_pGrayImage;               //當前灰度圖像
	BYTE *m_pBackground;	             //背景
	BYTE *m_pDiffImage;          //差分圖像
	UINT *m_pTemplate;           //存取多幀數據

private:
	void RGBToGray(BYTE *sRGB,BYTE *sGray,int nWidth, int nHeight);
	void DiffImage(BYTE *sGray,BYTE *pGray,int nWidth, int nHeight,int nThreshold);
	void GetMultiData(BYTE *sGray,int nWidth, int nHeight);
	void GetBgImage();

};