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A 200 -s Processing Time Smart Image Sensor for an Eye Tracker Using Pixel-Level Analog Image Processing | IEEE Journals & Magazine | IEEE Xplore

A 200 \mu s Processing Time Smart Image Sensor for an Eye Tracker Using Pixel-Level Analog Image Processing


Abstract:

This paper presents a smart sensor for an eye tracker using pixel-level analog image processing to eliminate the needs of many peripherals and the high power consumption ...Show More

Abstract:

This paper presents a smart sensor for an eye tracker using pixel-level analog image processing to eliminate the needs of many peripherals and the high power consumption of the conventional eye trackers. The pixel-level image processing was implemented with floating gate capacitors and nonlinear circuit computations. The prototype chip was fabricated for an 80 times 60 smart CMOS image sensor (CIS) pixel array whose pixel pitch is 22.4 times 22.4 mum2 in a 0.35-mum CMOS process. The test results show plusmnradic(2) pixel error and 200-mus processing time. The power consumption is 100 mW with a 3.3 V supply voltage and the silicon area is 7.5 mm2.
Published in: IEEE Journal of Solid-State Circuits ( Volume: 44, Issue: 9, September 2009)
Page(s): 2581 - 2590
Date of Publication: 28 August 2009

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