public override IObservable <IplImage> Process(IObservable <Tuple <IplImage, IplImage> > source)
{
return(source.Select(input =>
{
var previous = input.Item1;
var next = input.Item2;
var output = new IplImage(previous.Size, IplDepth.F32, 2);
CV.CalcOpticalFlowFarneback(
previous,
next,
output,
PyramidScale,
Levels,
WindowSize,
Iterations,
PolyN,
PolySigma,
Flags);
return output;
}));
}