private HoughResult ProcessHoughTest(Image <Bgr, byte> image)
{
const int leftMargin = 0;
const int upMargin = 300;
const int downMargin = 200;
var size = image.Size;
image.ROI = new Rectangle(leftMargin, upMargin, size.Width - leftMargin * 2,
size.Height - upMargin - downMargin);
HoughLines.PreprocessImage(image);
var result = HoughLines.Compute(image);
lineCache_.AddResult(result);
result = lineCache_.GetCachedResult();
result.MoveRoiResult(leftMargin, upMargin);
image.ROI = Rectangle.Empty;
var red = new Bgr(Color.Red);
foreach (var line in result.SolidLines)
{
image.Draw(line, red, 3);
}
return(result);
}