We've converted our video diffing application to use L*a*b* (as opposed to RGB). The funny thing about this is that, at least with the video I used to test, last frame minus current worked better than first minus current. It might be due to the simplicity of the video, though. We've also implemented blob tracking. Here's the links to some sample output:
Original video
Video run through our application
We're going to work on optimization over this week, and implementing blob merging and foreshadowing correction (features that are not in the current version).
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