Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-17600
Berner, R; Lichtsteiner, P; Delbruck, T (2008). Self-timed vertacolor dichromatic vision sensor for low power pattern detection. In: IEEE. Proceedings of 2008 IEEE International Symposium on Circuits and Systems (ISCAS 2008), Seattle, WA, 18-21 May 2008. Piscataway, NJ, US: IEEE Service Center, 1032-1035.
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This paper proposes a simple focal plane pattern detector architecture using a novel pixel sensor based on the dichromatic vertacolor structure. Additionally, the sensor transfers dichromatic intensity values using a self-timed time-to- first-spike scheme, which provides high dynamic range imaging. The intensity information is transmitted using the address event representation protocol. The spectral information is sampled automatically at each intensity reading in a ratioed way that maintains high dynamic range. A test chip consisting of 20 pixels has been fabricated in 1.5 um 2P 2M CMOS and characterized. The combined pattern detector/ imager core consumes 45 uA at 5 V supply voltage.
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|Item Type:||Book Section, refereed, original work|
|Communities & Collections:||07 Faculty of Science > Institute of Neuroinformatics|
|Dewey Decimal Classification:||570 Life sciences; biology|
|Deposited On:||06 Mar 2009 16:13|
|Last Modified:||05 Apr 2016 13:10|
|Publisher:||IEEE Service Center|
|Additional Information:||© 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
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