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Published 1987 | Published
Book Section - Chapter Open

Real-Time Visual Computations Using Analog CMOS Processing Arrays


Integration of photosensors and processing elements provides a mechanism to concurrently perform computations previously intractable in real-time. We have used this approach to model biological early vision processes. A set of VLSI "retina" chips have been fabricated, using large scale analog circuits (over lOOK transistors in total). Analog processing provides sophisticated, compact functional elements, and avoids some of the aliasing problems encountered in conventional sampled-data artificial vision systems.

Additional Information

© 1987 MIT Press. This research was supported by a grant from the System Development Foundation, and an equipment grant from Hewlett-Packard Corp. The authors are indebted to Dick Lyon, Lars Neilsen, Michael Emerling, and John Tanner for many useful discussions.

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August 19, 2023
March 5, 2024