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This commit is contained in:
Gary Bradski 2010-12-03 00:29:27 +00:00
parent cfd176305c
commit c10225bd28
1 changed files with 13 additions and 1 deletions
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14
samples/c/motempl.c
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@ -2,7 +2,19 @@
#include "opencv2/imgproc/imgproc.hpp" #include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp" #include "opencv2/highgui/highgui.hpp"
#include <time.h> #include <time.h>
#include <stdio.h>
void help()
{
printf(
"\nThis program demonstrated the use of motion templates -- basically using the gradients\n"
"of thresholded layers of decaying frame differencing. New movements are stamped on top with floating system\n"
"time code and motions too old are thresholded away. This is the 'motion history file'. The program reads from the camera of your choice or from\n"
"a file. Gradients of motion history are used to detect direction of motoin etc\n"
"Call:\n"
"./motempl [camera number 0-n or file name, default is camera 0]\n"
);
}
// various tracking parameters (in seconds) // various tracking parameters (in seconds)
const double MHI_DURATION = 1; const double MHI_DURATION = 1;
const double MAX_TIME_DELTA = 0.5; const double MAX_TIME_DELTA = 0.5;
@ -147,7 +159,7 @@ int main(int argc, char** argv)
{ {
IplImage* motion = 0; IplImage* motion = 0;
CvCapture* capture = 0; CvCapture* capture = 0;
help();
if( argc == 1 || (argc == 2 && strlen(argv[1]) == 1 && isdigit(argv[1][0]))) if( argc == 1 || (argc == 2 && strlen(argv[1]) == 1 && isdigit(argv[1][0])))
capture = cvCaptureFromCAM( argc == 2 ? argv[1][0] - '0' : 0 ); capture = cvCaptureFromCAM( argc == 2 ? argv[1][0] - '0' : 0 );
else if( argc == 2 ) else if( argc == 2 )