資源簡介
基于OpenCV的智能視頻監控系統設計，使用VS2010和OpenCV2.4.9完成系統設計，壓縮包包含整個solution。在安裝好VS2010和配置好OpenCV包含等的情況下，可以直接加壓縮，點擊.sln文件打開整個項目。壓縮包內容為智能視頻監控的整個project（包含源碼）。具體實現方法是利用幀差法獲得差分圖像，分析差分圖像得出物體運動的軌跡和拍照錄像與警報等。
代碼片段和文件信息
#include?
#include?
#include?
using?namespace?std;
using?namespace?cv;
int?videoplay（）;
void?on_Trackbar（int?void*）;
char*?str_gettime（）;
int?bSums（Mat?src）;
char?g_str[17];
int?g_nNum?=?0;//圖片名稱
int?g_nDelay?=?0;
int?g_npic?=?0;
Mat?g_filpdstMat;
int?g_pointnum?=?1000;//設置像素點閾值生成圖片
int?g_pixel?=?0;//像素點
int?main（）
{
VideoCapture?capture（0）;
//視頻輸出VideoWriter
CvVideoWriter*?outavi?=?NULL;
//VideoWriter?outavi;
//outavi.open（“sre.avi“-1?5.0?Size（640?480）?true）;
outavi?=?cvCreateVideoWriter（“錄像.avi“?-1?5.0?cvSize（640?480）?1）;
namedWindow（“攝像頭“WINDOW_AUTOSIZE）;
namedWindow（“移動軌跡“WINDOW_AUTOSIZE）;
IplImage?*pcpframe?=?NULL;
Mat?tempframe?currentframe?preframe?cpframe;
Mat?framejpg;
int?framenum?=?0;
//讀取一幀處理
while?（1）
{
if（!capture.isOpened（））
{
cout?< return?-1;
}
capture?>>?frame;//讀取攝像頭把每一幀傳給frame
frame.copyTo（cpframe）;//把frame賦給cpframe，不影響frame
tempframe?=?frame;//把frame賦給tempframe，影響frame
flip（tempframeg_filpdstMat1）;//水平翻轉圖像
pcpframe?=?&IplImage（cpframe）;//為了釋放窗口，把Mat轉化為IplImage使用
//cpframe=cvarrToMat（pcpframe）;
//ipl轉化矩陣???pBinary?=?&IplImage（Img）
//7幀截取一次錄入視頻，頻繁截取運轉不過來
if（framenum?%?7?==?0）
{
//錄像寫入
cvWriteframe（outavi?pcpframe）;
}
//判斷幀數，若為第一幀，把該幀作為對比幀
//若大于等于第二幀，則進行幀差法處理
framenum++;?
if?（framenum?==?1）
{
cvtColor（g_filpdstMat?preframe?CV_BGR2GRAY）;
}
if?（framenum?>=?2）
{
cvtColor（g_filpdstMat?currentframe?CV_BGR2GRAY）;
//灰度圖
absdiff（currentframepreframecurrentframe）;//幀差法?
threshold（currentframe?currentframe?30?255.0?CV_THRESH_BINARY）;
//二值化
erode（currentframe?currentframeMat（））;//腐蝕
dilate（currentframe?currentframeMat（））;//膨脹
g_pixel?=?bSums（currentframe）;//調用函數bSums，計算白色像素點，賦值給g_pixel
//小延遲后輸出當前像素點數值，防止數據刷太快看不清
g_nDelay++;
if（g_nDelay?>?5）
{
cout< cout?< g_nDelay?=?0;
}
//創建像素點滑軌
createTrackbar（“像素點：““移動軌跡“&g_pointnum?20000on_Trackbar）;
on_Trackbar（0?0）;//調用回調函數
//顯示圖像??
imshow（“攝像頭“?g_filpdstMat）;
imshow（“移動軌跡“?currentframe）;
}
//把當前幀保存作為下一次處理的前一幀
cvtColor（g_filpdstMat?preframe?CV_BGR2GRAY）;
//判斷退出，并銷毀錄像窗口，否則下一步錄像無法打開
if（（char）waitKey（10）?==?27）{cvReleaseVideoWriter（&outavi）;break;}
}//end?while??
while（1）
{
//顯示提示窗口
jpg?=?imread（“模式選擇.jpg“?1）;
imshow（“模式選擇“jpg）;
//設置key選擇操作
char?key;
key?=?waitKey（0）;
if（key?==?‘p‘?||?key?==?‘P‘）//播放視頻
videoplay（）;
if（key?==?‘q‘?||?key?==?‘Q‘）//退出
break;
}
return?0;
}
//打開錄像
int?videoplay（）
{
VideoCapture?video（“錄像.avi“）;
if（!video.isOpened（））
{
fprintf（stderr“打開失敗\n“）;
return?false;
}
while（1）
{
Mat?frame;
video>>frame;
if（frame.emp ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????.CA....??????4005??2019-03-31?09:54??cv_track_final\cv_track_final\cv_track_final.vcxproj
????.CA....???????957??2019-03-19?15:55??cv_track_final\cv_track_final\cv_track_final.vcxproj.filters
????.CA....???????143??2019-03-19?15:51??cv_track_final\cv_track_final\cv_track_final.vcxproj.user
????.CA....??????4909??2019-03-23?03:20??cv_track_final\cv_track_final\cv_track_final_main.cpp
????.CA....???????822??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cl.command.1.tlog
????.CA....?????17852??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\CL.read.1.tlog
????.CA....???????492??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\CL.write.1.tlog
????.CA....???????667??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final.exe.em
????.CA....???????732??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final.exe.em
????.CA....???????381??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final.exe.intermediate.manifest
????.CA....????????69??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final.lastbuildstate
????.CA....??????4699??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final.log
????.CA....???????713??2019-03-19?16:35??cv_track_final\cv_track_final\Debug\cv_track_final.vcxprojResolveAssemblyReference.cache
????.CA....?????????0??2019-03-19?15:55??cv_track_final\cv_track_final\Debug\cv_track_final.write.1.tlog
????.CA....????391728??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\cv_track_final_main.obj
????.CA....???????218??2019-03-19?16:00??cv_track_final\cv_track_final\Debug\cv_track_final_manifest.rc
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
????.CA....?????????2??2019-03-31?09:54??cv_track_final\cv_track_final\Debug\li
............此處省略32個文件信息
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