Published 1988 | public
Journal Article

A silicon retina for computing local edge orientations

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Abstract

Carver Mead has demonstrated the suitability of VLSI arrays of photoreceptors and analog CMOS processing circuitry (so-called silicon retinas) for doing early vision processing. So far, chips have been built that perform center-surround (X-system) and motion detection (Y-system) operations. This Paper describes a chip which was designed to perform a low level of image feature extraction: orientation selectivity.

Additional Information

© 1988 Elsevier.

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August 19, 2023
Modified:
March 5, 2024