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Computational sensor for visual tracking with attention

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2 Author(s)
Brajovic, V. ; Robotics Inst., Carnegie Mellon Univ., Pittsburgh, PA, USA ; Kanade, T.

This paper presents a VLSI embodiment of an optical tracking computational sensor which focuses attention on a salient target in its field of view. Using both low-latency massive parallel processing and top-down sensory adaptation, the sensor suppresses interference front features irrelevant for the task at hand, and tracks a target of interest at speeds of up to 7000 pixels/s. The sensor locks onto the target to continuously provide control for the execution of a perceptually guided activity. The sensor prototype, a 24×24 array of cells, is built in 2-μm CMOS technology. Each cell occupies 62 μm×62 μm of silicon, and contains a photodetector and processing electronics

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:33 ,  Issue: 8 )

Date of Publication:

Aug 1998

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