High-integration CMOS vision chips

Details High-integration CMOS vision chips High-integration CMOS vision chips

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996spie.2894..123w&link_type=abstract

Proc. SPIE Vol. 2894, p. 123-131, Detectors, Focal Plane Arrays, and Applications, William G. Frederick; Junhong Su; Marc Wigdor

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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.

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