#include <ctype.h>
#include <stdio.h>
#include <iostream>
static void help(char** argv)
{
cout <<
"\nThis program demonstrates Laplace point/edge detection using OpenCV function Laplacian()\n"
"It captures from the camera of your choice: 0, 1, ... default 0\n"
"Call:\n"
<< argv[0] << " -c=<camera #, default 0> -p=<index of the frame to be decoded/captured next>\n" << endl;
}
enum {GAUSSIAN, BLUR, MEDIAN};
int sigma = 3;
int smoothType = GAUSSIAN;
int main( int argc, char** argv )
{
help(argv);
string camera = parser.
get<
string>(
"c");
if (camera.size() == 1 && isdigit(camera[0]))
else
{
cerr << "Can't open camera/video stream: " << camera << endl;
return 1;
}
cout <<
"Video " << parser.
get<
string>(
"c") <<
int pos = 0;
{
pos = parser.
get<
int>(
"p");
}
{
return -1;
}
if (pos != 0)
{
cout << "seeking to frame #" << pos << endl;
{
cerr << "ERROR: seekeing is not supported" << endl;
}
}
Mat smoothed, laplace, result;
for(;;)
{
cap >> frame;
if( frame.empty() )
break;
int ksize = (sigma*5)|1;
if(smoothType == GAUSSIAN)
else if(smoothType == BLUR)
blur(frame, smoothed,
Size(ksize, ksize));
else
if( c == ' ' )
smoothType = smoothType == GAUSSIAN ? BLUR : smoothType == BLUR ? MEDIAN : GAUSSIAN;
if( c == 'q' || c == 'Q' || c == 27 )
break;
}
return 0;
}