13-04-2012, 01:40 PM
Most modern consumer cameras and camcorders have IR filters built into them, but if you're lucky, the IR LED will be fairly "broadband" in its spectrum. Of course, broadcast cameras with 3 sensors and high quality filtering don't respond awfully well.
IR cameras are used in virtual sets to track the position of the broadcast cameras so that the graphics engine generating the background can update this as the camera moves around. The fact that broadcast cameras don't respond to IR is a distinct advantage here...
IR cameras are used in virtual sets to track the position of the broadcast cameras so that the graphics engine generating the background can update this as the camera moves around. The fact that broadcast cameras don't respond to IR is a distinct advantage here...
