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Silicon range finder-a realtime range finding VLSI sensor

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3 Author(s)
Sato, K. ; Dept. of Syst. Eng., Osaka Univ., Japan ; Yokoyama, A. ; Inokuchi, S.

In this paper, we present a range-imaging VLSI vision sensor which is able to measure the 3D position in realtime. Photodiodes and an operational circuit are integrated into each pixel to function as a micro-rangefinder in mixed analog-digital technology. A 2D array chip of this micro-rangefinders is able to capture fully parallel a dynamic range image. A complementary pair of photodiodes has the advantage of capturing reliable 3D data without disturbance due to the temperature drift, the ambient light, the manufacturing dispersion and other noises. The prototype system gives us a 24×24 range image with high accuracy at video frame-rate

Published in:

Custom Integrated Circuits Conference, 1994., Proceedings of the IEEE 1994

Date of Conference:

1-4 May 1994