A CMOS programmable silicon retina implementing vision algorithms

A programmable silicon retina is presented targeting the use of efficient analog computation for early vision. The decoding and programmability methods employed lead to a dynamic and wide range of vision operations including edge enhancement, edge detection and averaging. A prototype chip implementing a 15/spl times/15 matrix of photo-receptors was fabricated in a double poly double metal N-well 2 /spl mu/m process.