Machine vision in security applications

I’d like to share a link to a great summary of the state-of-the art with regard to security: “Defence lab reveals ultimate CCTV,” (BBC News, May 28th, 2010.)
This is really a review of some of the military imaging work going on at the UK’s Defence Science & technology Laboratory. The highlights include:

• A camera with a128Mp sensor that still delivers 2 frames per second
• Hyperspectral imaging
• Polarimetric imaging

The last one, polarimetric imaging, is new to me. Apparently it’s a way to extract geometric information about targets from the polarization of the reflected light. Seems like something to look in to.