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A biomimetic VLSI sensor for visual tracking of small moving targets

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2 Author(s)
Higgins, C.M. ; Dept. of Electr., Univ. of Arizona, Tucson, AZ, USA ; Pant, V.

Taking inspiration from the visual system of the fly, we describe and characterize a monolithic analog very large-scale integration sensor, which produces control signals appropriate for the guidance of an autonomous robot to visually track a small moving target. This sensor is specifically designed to allow such tracking even from a moving imaging platform which experiences complex background optical flow patterns. Based on relative visual motion of the target and background, the computational model implemented by this sensor emphasizes any small-field motion which is inconsistent with the wide-field background motion.

Published in:

Circuits and Systems I: Regular Papers, IEEE Transactions on  (Volume:51 ,  Issue: 12 )

Date of Publication:

Dec. 2004

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