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A 256/spl times/256 CMOS active pixel image sensor with motion detection

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5 Author(s)
Dickinson, A. ; AT&T Bell Labs., Holmdel, NJ, USA ; Ackland, B. ; Eid, E.-S. ; Inglis, D.
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This 256/spl times/256 active pixel sensor (APS) is designed for consumer multimedia applications requiring low-cost, high-functionality, compact cameras capable of acquiring high-quality images at video frame rates. This sensor allows random access of the image data, permitting a simple implementation of electronic pan and zoom. Use in portable equipment is simplified by standard operating voltages and low power (80mW@5V, 20mW@3.3V). Fabrication in a standard CMOS process allows the integration of a variety of new and existing digital circuits with the image sensor. In addition, by making use of the implicit dynamic frame buffer provided by the active pixel structure, the sensor can generate a signal that represents the difference between sequential frames. This may be used for motion detection, image stabilization, and compression purposes.

Published in:

Solid-State Circuits Conference, 1995. Digest of Technical Papers. 41st ISSCC, 1995 IEEE International

Date of Conference:

15-17 Feb. 1995

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