Dual Imager Core Chip with 24.8 Rangemaps/s 3-D and 58fps 2-D Simultaneous Capture Capability

Shingo MANDAI; Toru NAKURA; Makoto IKEDA; Kunihiro ASADA

doi:10.1587/transele.E92.C.798

Special Section on Analog Circuits and Related SoC Integration Technologies

Dual Imager Core Chip with 24.8 Rangemaps/s 3-D and 58fps 2-D Simultaneous Capture Capability

Shingo MANDAI, Toru NAKURA, Makoto IKEDA, Kunihiro ASADA

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Keywords: image sensor, light-section method, stereo-matching, dual imager core, multi functional range finder

JOURNAL RESTRICTED ACCESS

2009 Volume E92.C Issue 6 Pages 798-805

DOI https://doi.org/10.1587/transele.E92.C.798

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Abstract

This paper presents a multi functional range finder employing dual imager core on a single chip. Each imager core has functionalities of 2-D imaging and 3-D capture using the light section method with combinations of the dual imager core. The presented chip achieves, 2-D imaging mode, 3-D capture mode with the conventional light-section method, high-speed 3-D capture mode with the stereo matching mode, and 2-D and 3-D simultaneous capture mode. We demonstrate 58fps 2-D imaging with 8 bit gray scale, and 24.8 rangemaps/s 3-D range-finder with the maximum range error of 1.619mm and the standard deviation of 0.385mm at 700mm.

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