#include?
#include?

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

//our?sensitivity?value?to?be?used?in?the?absdiff（）?function
const?static?int?SENSITIVITY_VALUE?=?20;
//size?of?blur?used?to?smooth?the?intensity?image?output?from?absdiff（）?function
const?static?int?BLUR_SIZE?=?10;
//we‘ll?have?just?one?object?to?search?for
//and?keep?track?of?its?position.
int?theobject[2]?=?{00};
//bounding?rectangle?of?the?object?we?will?use?the?center?of?this?as?its?position.
Rect?objectBoundingRectangle?=?Rect（0000）;


//int?to?string?helper?function
string?intToString（int?number）{

	//this?function?has?a?number?input?and?string?output
	std::stringstream?ss;
	ss?<	return?ss.str（）;
}

int?main（）{

	//these?two?can?be?toggled?by?pressing?‘d‘?or?‘t‘
	bool?debugMode?=?true;
	//pause?and?resume?code
	bool?pause?=?false;
	//set?up?the?matrices?that?we?will?need
	//the?two?frames?we?will?be?comparing
	Mat?frame1frame2;
	//their?grayscale?images?（needed?for?absdiff（）?function）
	Mat?grayImage1grayImage2;
	//resulting?difference?image
	Mat?differenceImage;
	//thresholded?difference?image?（for?use?in?findContours（）?function）
	Mat?thresholdImage;
	//video?capture?object.
	VideoCapture?capture;

	while（1）{

		//we?can?loop?the?video?by?re-opening?the?capture?every?time?the?video?reaches?its?last?frame

		capture.open（“video.avi“）;

		if（!capture.isOpened（））{
			cout<<“ERROR?ACQUIRING?VIDEO?FEED\n“;
			getchar（）;
			return?-1;
		}

		//check?if?the?video?has?reach?its?last?frame.
		//we?add?‘-1‘?because?we?are?reading?two?frames?from?the?video?at?a?time.
		//if?this?is?not?included?we?get?a?memory?error!
		while（capture.get（CV_CAP_PROP_POS_frameS）ame_COUNT）-1）{

			//read?first?frame
			capture.read（frame1）;
			//convert?frame1?to?gray?scale?for?frame?differencing
			cv::cvtColor（frame1grayImage1COLOR_BGR2GRAY）;
			//copy?second?frame
			capture.read（frame2）;
			//convert?frame2?to?gray?scale?for?frame?differencing
			cv::cvtColor（frame2grayImage2COLOR_BGR2GRAY）;
			//perform?frame?differencing?with?the?sequential?images.?This?will?output?an?“intensity?image“
			//do?not?confuse?this?with?a?threshold?image?we?will?need?to?perform?thresholding?afterwards.
			cv::absdiff（grayImage1grayImage2differenceImage）;
			//threshold?intensity?image?at?a?given?sensitivity?value
			cv::threshold（differenceImagethresholdImageSENSITIVITY_VALUE255THRESH_BINARY）;
			if（debugMode==true）{
				//show?the?difference?image?and?threshold?image
				cv::imshow（“Difference?Image“differenceImage）;
				cv::imshow（“Threshold?Image“?thresholdImage）;
			}else{
				//if?not?in?debug?mode?destroy?the?windows?so?we?don‘t?see?them?anymore
				cv::destroyWindow（“Difference?Image“）;
				cv::destroyWindow（“Threshold?Image“）;
			}
			//blur?the?image?to?get?rid?of?the?noise.?This?will?output?an?intensity?image
			cv::blur（thresholdImagethresho

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-10-03?21:05??frame_Difference_1\
?????目錄???????????0??2014-10-03?20:57??frame_Difference_1\Debug\
?????目錄???????????0??2014-10-03?20:56??frame_Difference_1\frame_Difference_1\
?????文件????39845888??2014-10-03?21:05??frame_Difference_1\frame_Difference_1.sdf
?????文件?????????921??2014-10-03?20:52??frame_Difference_1\frame_Difference_1.sln
?????文件???????20480??2014-10-03?21:05??frame_Difference_1\frame_Difference_1.v11.suo
?????目錄???????????0??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\
?????文件?????????762??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\cl.command.1.tlog
?????文件???????18994??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\CL.read.1.tlog
?????文件?????????374??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\CL.write.1.tlog
?????文件????????2072??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\frame_Difference_1.Build.CppClean.log
?????文件??????????93??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\frame_Difference_1.lastbuildstate
?????文件????????1252??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\frame_Difference_1.log
?????文件???????????0??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\frame_Difference_1.unsuccessfulbuild
?????文件??????363520??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\vc110.idb
?????文件??????561152??2014-10-03?20:57??frame_Difference_1\frame_Difference_1\Debug\vc110.pdb
?????文件????????4018??2014-10-03?20:54??frame_Difference_1\frame_Difference_1\frame_Difference_1.vcxproj
?????文件?????????942??2014-10-03?20:54??frame_Difference_1\frame_Difference_1\frame_Difference_1.vcxproj.filters
?????文件????????3967??2014-10-03?20:58??frame_Difference_1\frame_Difference_1\main.cpp
?????文件?????1049784??2012-02-02?09:30??frame_Difference_1\frame_Difference_1\video.avi