#include?“stdafx.h“
#include?“hanshu.h“
#include?
#include?“highgui.h“
#include?
#include?

using?namespace?std;
using?namespace?cv;

static?int?c_xoff[9]?=?{-1??0??1?-1?1?-1?0?1?0};//x的鄰居點(diǎn)
static?int?c_yoff[9]?=?{-1??0??1?-1?1?-1?0?1?0};//y的鄰居點(diǎn)

float?samples[1024][1024][defaultNbSamples+1];//保存每個(gè)像素點(diǎn)的樣本值


//初始化
void?Initialize（CvMat*?pframeMatRNG?rng）{

	//記錄隨機(jī)生成的?行（r）?和?列（c）
	int?randrc;

	//對(duì)每個(gè)像素樣本進(jìn)行初始化
	for（int?y=0;yameMat->rows;y++）{//Height
		for（int?x=0;xameMat->cols;x++）{//Width
			for（int?k=0;k				//隨機(jī)獲取像素樣本值
				rand=rng.uniform（?0?9?）;
				r=y+c_yoff[rand];?if（r<0）?r=0;?if（r>=pframeMat->rows）?r=pframeMat->rows-1;	//行
				c=x+c_xoff[rand];?if（c<0）?c=0;?if（c>=pframeMat->cols）?c=pframeMat->cols-1;	//列
				//存儲(chǔ)像素樣本值
				samples[y][x][k]=CV_MAT_ELEM（*pframeMatfloatrc）;
			}
			samples[y][x][defaultNbSamples]=0;
		}
	}
}


//更新函數(shù)
void?update（CvMat*?pframeMatCvMat*?segMatRNG?rngint?nFrmNum）{

	for（int?y=0;yameMat->rows;y++）{	//Height
		for（int?x=0;xameMat->cols;x++）{	//Width

			//用于判斷一個(gè)點(diǎn)是否是背景點(diǎn)index記錄已比較的樣本個(gè)數(shù)，count表示匹配的樣本個(gè)數(shù)
			int?count=0index=0;float?dist=0;
			//
			while（（count				dist=CV_MAT_ELEM（*pframeMatfloatyx）-samples[y][x][index];
				if（dist<0）?dist=-dist;
				if（dist				index++;
			}
			if（count>=defaultReqMatches）{

				//判斷為背景像素只有背景點(diǎn)才能被用來傳播和更新存儲(chǔ)樣本值
				samples[y][x][defaultNbSamples]=0;

				*（（float?*）CV_MAT_ELEM_PTR（*segMatyx））=background;

				int?rand=rng.uniform（0defaultSubsamplingFactor）;
				if（rand==0）{
					rand=rng.uniform（0defaultNbSamples）;
					samples[y][x][rand]=CV_MAT_ELEM（*pframeMatfloatyx）;
				}
				rand=rng.uniform（0defaultSubsamplingFactor）;
				if（rand==0）{
					int?xNyN;
					rand=rng.uniform（09）;yN=y+c_yoff[rand];if（yN<0）?yN=0;?if（yN>=pframeMat->rows）?yN=pframeMat->rows-1;
					rand=rng.uniform（09）;xN=x+c_xoff[rand];if（xN<0）?xN=0;?if（xN>=pframeMat->cols）?xN=pframeMat->cols-1;
					rand=rng.uniform（0defaultNbSamples）;
					samples[yN][xN][rand]=CV_MAT_ELEM（*pframeMatfloatyx）;
				}?
			}
			else?{
				//判斷為前景像素
				*（（float?*）CV_MAT_ELEM_PTR（*segMatyx））=foreground;

				samples[y][x][defaultNbSamples]++;
				if（samples[y][x][defaultNbSamples]>50）{
					int?rand=rng.uniform（0defaultNbSamples）;
					if（rand==0）{
						rand=rng.uniform（0defaultNbSamples）;
						samples[y][x][rand]=CV_MAT_ELEM（*pframeMatfloatyx）;
					}
				}
			}

		}
	}

}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????2753??2012-12-05?15:21??ViBeCode\hanshu.cpp

?????文件????????521??2011-07-23?19:02??ViBeCode\hanshu.h

?????文件????????291??2011-07-20?12:04??ViBeCode\stdafx.cpp

?????文件????????320??2011-07-20?12:04??ViBeCode\stdafx.h

?????文件????????314??2011-07-20?12:04??ViBeCode\targetver.h

?????文件???????4001??2013-04-09?17:03??ViBeCode\vibe.cpp

?????目錄??????????0??2013-04-09?17:18??ViBeCode

-----------?---------??----------?-----??----

?????????????????8200????????????????????7