A simple way to control Led Pixel Mapping using paint...
The black paper sheet is filmed by the camera and the video signal is acquired by a Max6 patch which downscales images to obtain a 4x16 pixels matrix.
RGB values of each video pixel are translated in DMX to control the light pixels of the 4 led tubes.
Any video signal (live or pre-recorded) would have worked, but the paint seemed more fun!
More informations on : jgastonraoul.tumblr.com