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Proceedings Paper

Novel time-stamped pixel structure for high-speed 2D CMOS visual motion sensor
Author(s): Guangbin Zhang; Jin Liu
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Paper Abstract

A 32x32 visual motion sensor based on the time stamped pixel structure is proposed. The sensor pixel is formed by a time stamp component and a compact spatial based edge detector with a pixel size of 70x70μm2 in standard 0.35μm CMOS process. It measures up to 6000 degree/s with focal length f = 10mm. Less than 5% rms variation for middle range velocity measurement and less than 10% rms variation for high and low velocity measurement have been achieved. This structure is good for scaling down with new fabrication processes to implement large scale 2D arrays with low power consumption in the near future.

Paper Details

Date Published: 7 March 2005
PDF: 12 pages
Proc. SPIE 5677, Sensors and Camera Systems for Scientific and Industrial Applications VI, (7 March 2005); doi: 10.1117/12.586217
Show Author Affiliations
Guangbin Zhang, The Univ. of Texas of Dallas (United States)
Jin Liu, The Univ. of Texas of Dallas (United States)


Published in SPIE Proceedings Vol. 5677:
Sensors and Camera Systems for Scientific and Industrial Applications VI
Morley M. Blouke, Editor(s)

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