//對運動物體的跟蹤：
//如果背景固定可用幀差法?然后在計算下連通域?將面積小的去掉即可
//如果背景單一即你要跟蹤的物體顏色和背景色有較大區別?可用基于顏色的跟蹤?如CAMSHIFT?魯棒性都是較好的
//如果背景復雜如背景中有和前景一樣的顏色?就需要用到一些具有預測性的算法?如卡爾曼濾波等?可以和CAMSHIFT結合?

#ifdef?_CH_
#pragma?package?
//這個語句為什么前面帶#
#endif

#ifndef?_EiC
#include?“cv.h“
#include?“highgui.h“
#include?
#include?
#endif

IplImage?*image?=?0?*hsv?=?0?*hue?=?0?*mask?=?0?*backproject?=?0?*histimg?=?0;
//用HSV中的Hue分量進行跟蹤
CvHistogram?*hist?=?0;
//直方圖類
int?backproject_mode?=?0;
int?select_object?=?0;
int?track_object?=?0;
int?show_hist?=?1;
CvPoint?origin;
//typedef?struct?CvPoint
//{
//????int?x;
//????int?y;
//}
//CvPoint;
CvRect?selection;
//typedef?struct?CvRect
//{
//????int?x;
//????int?y;
//????int?width;
//????int?height;
//}
//CvRect;
CvRect?track_window;
CvBox2D?track_box;
//Meanshift跟蹤算法返回的Box類
//typedef?struct?CvBox2D{
//CvPoint2D32f?center;?/*?盒子的中心?*/
//CvSize2D32f?size;?/*?盒子的長和寬?*/
//float?angle;?/*?水平軸與第一個邊的夾角，用弧度表示*/
//}CvBox2D;
CvConnectedComp?track_comp;
//連接部件?
//typedef?struct?CvConnectedComp{
//double?area;?/*?連通域的面積?*/
//float?value;?/*?分割域的灰度縮放值?*/
//CvRect?rect;?/*?分割域的?ROI?*/
//}?CvConnectedComp;
int?hdims?=?16;
//劃分直方圖bins的個數，越多越精確
float?hranges_arr[]?=?{0180};
//像素值的范圍
float*?hranges?=?hranges_arr;
//用于初始化CvHistogram類
int?vmin?=?10?vmax?=?256?smin?=?30;
//用于設置滑動條

void?on_mouse（?int?event?int?x?int?y?int?flags?void*?param?）
//鼠標回調函數該函數用鼠標進行跟蹤目標的選擇
{
????if（?!image?）
????????return;
????//如果圖像原點坐標在左下則將其改為左上

????if（?image->origin?）
????????y?=?image->height?-?y;
	
????if（?select_object?）
????//select_object為1表示在用鼠標進行目標選擇
????//此時對矩形類selection用當前的鼠標位置進行設置
????{
????????selection.x?=?MIN（xorigin.x）;
????????selection.y?=?MIN（yorigin.y）;
????????selection.width?=?selection.x?+?CV_IABS（x?-?origin.x）;
????????selection.height?=?selection.y?+?CV_IABS（y?-?origin.y）;
????????
????????selection.x?=?MAX（?selection.x?0?）;
????????selection.y?=?MAX（?selection.y?0?）;
????????selection.width?=?MIN（?selection.width?image->width?）;
????????selection.height?=?MIN（?selection.height?image->height?）;
????????selection.width?-=?selection.x;
????????selection.height?-=?selection.y;
????}

????switch（?event?）
????{
????case?CV_EVENT_LBUTTONDOWN:
????	//鼠標按下開始點擊選擇跟蹤物體
????????origin?=?cvPoint（xy）;
????????selection?=?cvRect（xy00）;
????????select_object?=?1;
????????break;
????case?CV_EVENT_LBUTTONUP:
????	//鼠標松開完成選擇跟蹤物體
????????select_object?=?0;
????????if（?selection.width?>?0?&&?selection.height?>?0?）
????????	//如果選擇物體有效，則打開跟蹤功能
????????????track_object?=?-1;
????????break;
????}
}


CvScalar?hsv2rgb（?float?hue?）
//用于將Hue量轉換成RGB量
{
????int?rgb[3]?p?sector;
????static?const?int?sector_data[][3]=
????????{{021}?{120}?{102}?{201}?{210}?{012}};
????hue?*=?0.033333333333333333333333333333333f;
????sector?=?cvFloor（hue）;
????p?=?cvRound（255*（hue?-?sector））;

	/*這個表達式可以化為下式：?p=?p^（sector&1???255?:?0）
括

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-21?17:08??opencv的camshift程序+注釋\
?????目錄???????????0??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\
?????文件???????20192??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\CL.read.1.tlog
?????文件????????2236??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\CL.write.1.tlog
?????文件?????1227776??2009-08-26?12:03??opencv的camshift程序+注釋\Debug\cam.avi
?????文件??????443904??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.exe
?????文件?????????406??2013-09-23?23:28??opencv的camshift程序+注釋\Debug\camshiftdemo.exe.embed.manifest
?????文件?????????472??2013-11-20?20:50??opencv的camshift程序+注釋\Debug\camshiftdemo.exe.embed.manifest.res
?????文件?????????381??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.exe.intermediate.manifest
?????文件?????1092736??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.ilk
?????文件?????????112??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.lastbuildstate
?????文件????????3166??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.log
?????文件???????34029??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.obj
?????文件?????2165760??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\camshiftdemo.pdb
?????文件?????????220??2013-09-23?23:28??opencv的camshift程序+注釋\Debug\camshiftdemo_manifest.rc
?????文件????????3366??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\cl.command.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link-cvtres.read.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link-cvtres.write.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.5924-cvtres.read.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.5924-cvtres.write.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.5924.read.1.tlog
?????文件???????????2??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.5924.write.1.tlog
?????文件???????11886??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.command.1.tlog
?????文件???????28448??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.read.1.tlog
?????文件????????5022??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\link.write.1.tlog
?????文件????????1944??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\mt.command.1.tlog
?????文件????????2142??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\mt.read.1.tlog
?????文件?????????470??2013-11-21?15:21??opencv的camshift程序+注釋\Debug\mt.write.1.tlog
?????文件????????2878??2013-11-20?20:50??opencv的camshift程序+注釋\Debug\rc.command.1.tlog
?????文件????????1758??2013-11-20?20:50??opencv的camshift程序+注釋\Debug\rc.read.1.tlog
?????文件????????1790??2013-11-20?20:50??opencv的camshift程序+注釋\Debug\rc.write.1.tlog
............此處省略28個文件信息