High-integration CMOS vision chips

Guoyu Wang

doi:10.1117/12.252107

25 September 1996 High-integration CMOS vision chips

Guoyu Wang

Proceedings Volume 2894, Detectors, Focal Plane Arrays, and Applications; (1996) https://doi.org/10.1117/12.252107
Event: Photonics China '96, 1996, Beijing, China

Abstract

CMOS technology, as a popular VLSI technology, is very attractive for achieving `smart' vision devices. This paper introduces two high integration CMOS vision chips, fabricated using unmodified commodity 0.8 micrometers CMOS process, with the resolution of 369 X 287 and 768 X 574. In addition to a photodiode array, two devices include all necessary circuits to drive and sense the array, as well as TV signal formatting and other control functions. On-chip automatic exposure control enables the use of a fixed- aperture lens. On-chip automatic gain control improves dark pictures and on-chip black-calibration maintains image stability. The miniature cameras using the chips enjoy great reductions in size, cost, and power consumption.

Citation Download Citation

Guoyu Wang "High-integration CMOS vision chips", Proc. SPIE 2894, Detectors, Focal Plane Arrays, and Applications, (25 September 1996); https://doi.org/10.1117/12.252107

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