cv.jit.binedge Returns only edge pixels. Returns only edge pixels. "Edge" pixels are pixels that are ON and have less than eight ON neighbours. In other words, they are ON pixels that have at least one OFF neighbour.	from the library : cv.jit Format : External Environment : jitter / max / msp freeware Max 4.x http://www.iamas.ac.jp/~jovan02/cv/download.html