public IEnumerable <Rectangle> GetAllRectangles(Bitmap img, Rectangle canny, Color color, int colorThreshold,
ContourAcceptance acceptance)
{
var imgFiltered = FilterImage(new Image <Bgr, byte>(img), new FilterParam(color, colorThreshold));
var result = new List <Rectangle>();
using (var contours = new VectorOfVectorOfPoint())
{
CvInvoke.FindContours(imgFiltered, contours, null, RetrType.List, ChainApproxMethod.LinkRuns);
for (var i = 0; i < contours.Size; i++)
{
var contour = contours[i];
if (!acceptance.ValideSize(contour.Size))
{
continue;
}
var area = CvInvoke.MinAreaRect(contour).MinAreaRect();
if (acceptance.ValideHeight(area.Height) && acceptance.ValideWidth(area.Width))
{
result.Add(new Rectangle(new Point(area.X, area.Y), new Size(area.Width, area.Height)));
}
}
}
return(result);
}
public Rectangle GetRectangle(Bitmap img, Rectangle canny, Color color, int colorThreshold, ContourAcceptance acceptance)
{
DebugWindow.SetImageStartFishingRaw((Bitmap)img.Clone());
var imgFiltered = FilterImage(new Image <Bgr, byte>(img), new FilterParam(color, colorThreshold));
DebugWindow.SetImageStartFishingFiltered(imgFiltered.ToBitmap());
using (var contours = new VectorOfVectorOfPoint())
{
CvInvoke.FindContours(imgFiltered, contours, null, RetrType.List, ChainApproxMethod.LinkRuns);
for (var i = 0; i < contours.Size; i++)
{
var contour = contours[i];
if (!acceptance.ValideSize(contour.Size))
{
continue;
}
var area = CvInvoke.MinAreaRect(contour).MinAreaRect();
if (acceptance.ValideHeight(area.Height) && acceptance.ValideWidth(area.Width))
{
return(new Rectangle(new Point(area.X, area.Y), new Size(area.Width, area.Height)));
}
}
}
return(Rectangle.Empty);
}