OpenCV thresholding

opencv_threshold.c

IplImage* createThresholding( IplImage* source, const CvScalar& min, const CvScalar& max )
{
    const CvSize imgSize = cvSize( source->width, source->height );

    IplImage* hsv = cvCreateImage( imgSize, 8, 3 );
    cvCvtColor( source, hsv, CV_BGR2HSV );

    IplImage* mask = cvCreateImage( imgSize, 8, 1 );
    cvInRangeS( hsv, min, max, mask );

    cvReleaseImage( &hsv );
    return mask;
}