public static double TemplateMatchOnROI(Image <Gray, Byte> template, Rectangle roi, Image <Gray, Byte> image)
{
Image <Gray, Byte> source = new Image <Gray, byte>(ImgProc.CropImage(image.ToBitmap(), roi));
if (source.Width >= template.Width && source.Height >= template.Height)
{
using (Image <Gray, float> result = source.MatchTemplate(
template, Emgu.CV.CvEnum.TemplateMatchingType.CcorrNormed))
{
double[] minValues;
double[] maxValues;
Point[] minLocations;
Point[] maxLocations;
result.MinMax(out minValues, out maxValues,
out minLocations, out maxLocations);
if (minValues.Length > 0)
{
return(maxValues[0] * 100.0);
}
return(0.0);
}
}
return(0.0);
}
public static void ForTemplateSaving(string dir, Bitmap filtered, Rectangle rect)
{
Bitmap filteredCropped = ImgProc.CropImage(filtered, rect);
filteredCropped.Save(dir);
}