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A matrix transform imager allowing high-fill factor | IEEE Conference Publication | IEEE Xplore

A matrix transform imager allowing high-fill factor


Abstract:

We present a transform imager that performs computation at the pixel plane, but still holds to a fill factor greater than 40 percent. This imager is capable of programmab...Show More

Abstract:

We present a transform imager that performs computation at the pixel plane, but still holds to a fill factor greater than 40 percent. This imager is capable of programmable matrix operations on the image, where we can represent the image as either a full matrix or using block matrix operations. Each pixel is composed of a photodiode sensor element and a multiplier. We present experimental data and results from a signal pixel, the resulting computation, and effect of mismatch and offsets through this circuit. We present the results of computing a DCT/DST transform, as well as frequency response characterizations related to these results.
Date of Conference: 26-29 May 2002
Date Added to IEEE Xplore: 07 August 2002
Print ISBN:0-7803-7448-7
Conference Location: Phoenix-Scottsdale, AZ, USA

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