RE: camera as input device?

Intel have some stuff in this area that is free/open to use and enhance:

http://www.intel.com/research/mrl/research/opencv/overview.htm

I think there may be plans to incorporate gesture recognition in interactive systems, including browsing.

There's also some stuff going on in Microsoft, but I doubt that's Open Source.

http://research.microsoft.com/displayArticle.aspx?id=625


---Rotan