Kinect optical flow?


I’m looking at how to do optical flow analysis using kinect input. basically I want to do a motion detection, so I think optical flow will be able to do this. I tried the foo optical flow node, but somehow I couldn’t find a way to do it. I only got a black renderer screen (perhaps I did some mistake in connecting it).

So, anybody has any suggestions in how to do this?

Cheers :)