#include?“cv.h“
#include?“highgui.h“
#include?
#include?
#include?
#include?



float?MHI_DURATION?=?0.5;

//?用于運動檢測的循環(huán)幀數(shù)，與機器速度以及FPS設(shè)置有關(guān)
const?int?N?=?4;//N?=2345??（幀間差間隔量：當(dāng)兩幀中間無間隔時?N=2，間隔一幀時?N=3，N越大，每層拖尾越寬）
const?int?L?=?11;//L?the?number?of?layers?（L越大，尾跡越長）
#define?M?（2*（N-1）+L）?//the?total?of?ring?image?buffer

//?ring?image?buffer??環(huán)形緩存器?循環(huán)更新
IplImage?**buf?=?0;

//?IplImage?**bufDiffForward?=?0;??//前向差分結(jié)果緩存器
IplImage?**bufDiffBackward?=?0;?//后向差分結(jié)果緩存器

int?last?=?0;		//the?last?index?of?frame?for?the?Forward?MHI
int?lastDiff?=?0;?????//the?last?index?of?the?diffBackward

/*
										Figure?of?Forward-Backward?MHI


History???????????????????????????????????????????????Current												?Future
?|_____________|_____________|_____________|_____________|_____________|_____________|_____________|_____________|?
											
										???|---------------buf[2（N-1）+L]（ring?buffer?forward?order）------------->|		
										?idx1			idx2													last
										???|_____________|_____________|												_
							?|_____________|			????????|??????|_____________|			?idx3	????????idx4	|
			???|_____________|									|	??????????|??????|_____________|	??		?|		L:layers
?|_____________|											????|			??|?????????????|??????|_____________|?????	|	???????（each?of?layer）
																|			??|	????????????|	??????????|				-
															????|---------------------------------------->|
																				diffBackward[L]?
																		??（ring?buffer?forward?order）
										????
*/


//?temporary?images
IplImage?*mhiForward?=?0;?//?Forward?MHI:?motion?history?image
IplImage?*mhiBackward?=?0;?//?mhiBackward?MHI:?motion?history?image
IplImage?*orient?=?0;?//?orientation
IplImage?*mask?=?0;?//?valid?orientation?mask
IplImage?*segmask?=?0;?//?motion?segmentation?map
CvMemStorage*?storage?=?0;?//?temporary?storage




//parameters：
//	silh?-?單幀差圖像
//	mhi?-?MHI合成圖像
//	layers?-?尾跡層數(shù)?
void?myUpdateMotionHistory（?IplImage*?silh?IplImage*?mhi?int?layers）?//?update?MHI
{
	int?xy;
????int?silStep?=?silh->widthStep;
	int?mhiStep?=?mhi->widthStep;
	CvSize?size?=?cvGetSize（silh）;


	uchar?*?silhIm?=?silh->imageData;
	uchar?*?mhiIm?=?mhi->imageData;

	int?d?=?255/layers;

	for（??y?=?0;?y?		for（??x?=?0;?x?		{
			int?val?=?mhiIm[x];
			val?=?max（silhIm[x]max（0val-d））;
			mhiIm[x]?=?val;
		}
}



//?parameters:
//??img?-?輸入最新視頻幀
//??dstForward?-?輸出Forward?MHI?
//??dstBackward?-?輸出Backward?MHI
//??diff_threshold?-?輸入幀間差二值化閾值

void??update_mhi（?IplImage*?img?IplImage*?dstForward?IplImage*?dstBackward?IplImage*?curImg?int?diff_threshold?）
{
????//double?timestamp?=?clock（）/1000.;?//?get?current?time?in?seconds
????CvSize?size?=?cvSize（img->widthimg->height）;?//?get?current?frame?size
????int?i;
	int?idx1;		???//當(dāng)前幀往前第（N-1）幀的標(biāo)號
	int?idx2;		???//當(dāng)前幀的標(biāo)號
	int?idx3;		???//未來最新幀往前第

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????2270208??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.bsc

?????文件?????192584??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.exe

?????文件?????219556??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.ilk

?????文件??????21577??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.obj

?????文件??????21649??2009-04-02?11:30??OpenCV_forward-backwrd?MHI\Debug\motempl.obj.enc

?????文件????4164400??2009-08-20?08:57??OpenCV_forward-backwrd?MHI\Debug\motempl.pch

?????文件?????467968??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.pdb

?????文件??????????0??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\motempl.sbr

?????文件??????41984??2009-12-25?13:53??OpenCV_forward-backwrd?MHI\Debug\vc60.idb

?????文件??????77824??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\Debug\vc60.pdb

?????文件????????135??2007-02-24?15:18??OpenCV_forward-backwrd?MHI\Makefile

?????文件??????12581??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\motempl.c

?????文件???????4160??2008-06-15?06:32??OpenCV_forward-backwrd?MHI\motempl.dsp

?????文件????????539??2007-03-07?20:41??OpenCV_forward-backwrd?MHI\motempl.dsw

?????文件??????58368??2009-12-25?13:55??OpenCV_forward-backwrd?MHI\motempl.ncb

?????文件?????345088??2009-12-25?13:55??OpenCV_forward-backwrd?MHI\motempl.opt

?????文件???????1350??2009-10-14?15:29??OpenCV_forward-backwrd?MHI\motempl.plg

????..A.SH.?????13824??2008-07-14?16:10??OpenCV_forward-backwrd?MHI\Thumbs.db

?????文件?????432700??2007-02-24?15:18??OpenCV_forward-backwrd?MHI\video1.avi

?????文件????2533113??2008-05-27?11:32??OpenCV_forward-backwrd?MHI\zyin06OTCBVS.pdf

?????文件????????348??2009-12-25?15:01??OpenCV_forward-backwrd?MHI\說明.txt

?????目錄??????????0??2009-12-25?13:56??OpenCV_forward-backwrd?MHI\Debug

?????目錄??????????0??2009-12-25?14:46??OpenCV_forward-backwrd?MHI

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

?????????????10879956????????????????????23