SPIE Proceedings [SPIE Photonics East '95 - Philadelphia, PA (Sunday 22 October 1995)] Machine Vision Applications, Architectures, and Systems Integration IV - <title>Artificial retina chip with a 256 x 256 array of n-MOS variable sensitivity photodetector cells</title>Funatsu, Eiichi; Nitta, Yoshikazu; Miyake, Yasunari; Toyoda, Takashi; Hara, Kunihiko; Yagi, Hirofumi; Ohta, Jun; Kyuma, Kazuo; Batchelor, Bruce G.; Solomon, Susan S.; Waltz, Frederick M. · 1995