View difference between Paste ID: VBk90XE8 and zcLEDvsx

 /**
- *http://answers.opencv.org/question/38774/background-substraction-using-opencv-mog-from-live/
+ *http://stackoverflow.com/questions/25161269/background-substraction-using-opencv-mog-from-live-camera-feed/
  */
 
 #include <opencv2/opencv.hpp>
 #include <opencv2/highgui/highgui.hpp>
 #include <time.h>
 #include <iostream>
 #include <iomanip>
 
 using namespace std;
 using namespace cv;
 
 const static int SENSITIVITY_VALUE = 20;
 const static int BLUR_SIZE = 10;
 
 bool detectMotion(Mat thresholdImage);
 string intToString(int number);
 string getDateTimeForFile();
 string getDateTime();
 
 int main(int argc, char** argv)
 {
     initModule_video();
     setUseOptimized(true);
     setNumThreads(4);
 
     VideoCapture cap;
     if (argc > 1)
         cap.open(argv[1]);
     else
         cap.open(0);
 	cap.set(CV_CAP_PROP_FOURCC ,CV_FOURCC('D', 'I', 'V', '3') );
 
     if (!cap.isOpened())
     {
         std::cerr << "Cannot read video. Try moving video file to sample directory." << std::endl;
         return -1;
     }
 	VideoWriter oVideoWriter;
 	double dWidth = cap.get(CV_CAP_PROP_FRAME_WIDTH);
 	double dHeight = cap.get(CV_CAP_PROP_FRAME_HEIGHT);
 	Size frameSize(static_cast<int>(dWidth), static_cast<int>(dHeight));
 
 	std::string l_fname = "";
 
 	namedWindow("Image", WINDOW_NORMAL);
 	namedWindow("Debug", WINDOW_NORMAL);
 
 	Mat frame, fgMaskMOG;
 
     Ptr<BackgroundSubtractor> pMOG = new BackgroundSubtractorMOG();
     for (;;)
     {
         if(!cap.read(frame)) {
             cerr << "Unable to read next frame." << endl;
 			continue;
         }
 		// process the image to obtain a mask image.
 		pMOG->operator()(frame, fgMaskMOG);
 
 		std::string time = getDateTime();
 		cv::rectangle(frame,cv::Rect(0,cap.get(CV_CAP_PROP_FRAME_HEIGHT)-25,290,20),cv::Scalar(255,255,255),-1);
 		cv::putText(frame,time,cv::Point(0,cap.get(CV_CAP_PROP_FRAME_HEIGHT)-5),1,1.5,cv::Scalar(0,0,0),2);
 
 		// detect contours in the final threshold image.
 		if(false){
 			string fname = "C:/Users/Familjen-Styren/Videos/VIDEO" + getDateTimeForFile() + ".avi";
 			if(l_fname == "" || l_fname != fname){
 				oVideoWriter  = VideoWriter(fname, CV_FOURCC('D', 'I', 'V', '3'), 10, frameSize, true);
 				if ( !oVideoWriter.isOpened() )
 				{
 					std::cerr <<  "ERROR: Failed to initialize video writing" << std::endl;
 					return -1;
 				}
 			}
 			l_fname = fname;
 			oVideoWriter.write(frame);
 			putText(frame,"REC",Point(0,60),2,2,Scalar(0,0,255),2);
 		}
 		// show image.
 		imshow("Image", frame);
 		imshow("Debug",fgMaskMOG);
         int c = waitKey(30);
         if (c == 'q' || c == 'Q' || (c & 255) == 27)
             break;
     }
 	return 0;
 }
 
 bool detectMotion(Mat thresholdImage){
 	//create motionDetected variable.
 	bool motionDetected = false;
 	//create temp Mat for threshold image
 	Mat temp;
 	thresholdImage.copyTo(temp);
 	//these two vectors needed for output of findContours
 	vector< vector<Point> > contours;
 	vector<Vec4i> hierarchy;
 	//find contours of filtered image using openCV findContours function
 	//findContours(temp,contours,hierarchy,CV_RETR_CCOMP,CV_CHAIN_APPROX_SIMPLE );// retrieves all contours
 	findContours(temp,contours,hierarchy,CV_RETR_EXTERNAL,CV_CHAIN_APPROX_SIMPLE );// retrieves external contours
 
 	//if contours vector is not empty, we have found some objects
 	//we can simply say that if the vector is not empty, motion in the video feed has been detected.
 	if(contours.size()>0)motionDetected=true;
 	else motionDetected = false;
 
 	return motionDetected;
 
 }
 
 string intToString(int number){
 
 	//this function has a number input and string output
 	std::stringstream ss;
 	ss << number;
 	return ss.str();
 }
 
 string getDateTime(){
 	//get the system time
 	time_t theTime = time(NULL);
 	struct tm *aTime = localtime(&theTime);
 	//create string to store the date and time
 	string dateTime;
 	//convert year to string
 	string year = intToString(aTime->tm_year + 1900);
 	//use stringstream to add a leading '0' to the month (ie. 3 -> 03)
 	//we use 'setw(2)' so that we force the string 2 characters wide with a zero in front of it.
 	//if the month is '10' then it will remain '10'
 	std::stringstream m;
 	m<<std::setfill('0')<<std::setw(2)<< aTime->tm_mon + 1;
 	string month = m.str();
 	//day
 	std::stringstream d;
 	d<<std::setfill('0')<<std::setw(2)<< aTime->tm_mday;
 	string day = d.str();
 	//hour
 	std::stringstream hr;
 	hr<<setfill('0')<<std::setw(2)<<aTime->tm_hour;
 	string hour = hr.str();
 	//minute
 	std::stringstream min;
 	min<<setfill('0')<<std::setw(2)<<aTime->tm_min;
 	string minute = min.str();
 	//second
 	std::stringstream sec;
 	sec<<setfill('0')<<std::setw(2)<<aTime->tm_sec;
 	string second = sec.str();
 
 	//here we use the year, month, day, hour, minute info to create a custom string
 	//this will be displayed in the bottom left corner of our video feed.
 	dateTime = year + "-" + month + "-" + day + "  " + hour + ":" + minute + ":" + second;
 
 	return dateTime;
 }
 
 string getDateTimeForFile(){
 	//get the system time
 	time_t theTime = time(NULL);
 	struct tm *aTime = localtime(&theTime);
 	//create string to store the date and time
 	string dateTime;
 	//convert year to string
 	string year = intToString(aTime->tm_year + 1900);
 	//use stringstream to add a leading '0' to the month (ie. 3 -> 03)
 	//we use 'setw(2)' so that we force the string 2 characters wide with a zero in front of it.
 	//if the month is '10' then it will remain '10'
 	std::stringstream m;
 	m<<std::setfill('0')<<std::setw(2)<< aTime->tm_mon + 1;
 	string month = m.str();
 	//day
 	std::stringstream d;
 	d<<std::setfill('0')<<std::setw(2)<< aTime->tm_mday;
 	string day = d.str();
 	//hour
 	std::stringstream hr;
 	hr<<setfill('0')<<std::setw(2)<<aTime->tm_hour;
 	string hour = hr.str();
 
 	dateTime = year + "_" + month + "_" + day;
 	return dateTime;
 }