public override IObservable <Contours> Process(IObservable <Contours> source)
{
return(source.Select(input =>
{
Seq output = input.FirstContour;
if (output != null)
{
output = CV.ApproxPoly(output, Contour.HeaderSize, output.Storage, Method, Eps, Recursive);
}
return new Contours(output, input.ImageSize);
}));
}