Thanks everyone. The thing is that I "only" need to detect where is a high contras object, relative to the frame. The system is now working on a PC and I want to put it on an embedded processor. I already ask for the quote of a ST camera and the I will just make something to send all the data to a RAM for procesing. Bye Mauricio Jancic Janso Desarrollos www.janso.com.ar info@janso.com.ar (54) 11-4542-3519 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist