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JRM Vol.26 No.3 pp. 311-320
doi: 10.20965/jrm.2014.p0311
(2014)

Paper:

High-Frame-Rate Structured Light 3-D Vision for Fast Moving Objects

Yongjiu Liu*,**,***, Hao Gao***, Qingyi Gu***,
Tadayoshi Aoyama***, Takeshi Takaki***, and Idaku Ishii***

*University of Science and Technology of China, Hefei, Anhui 230026, China

**Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China

***Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan

Received:
November 1, 2013
Accepted:
January 30, 2014
Published:
June 20, 2014
Keywords:
coded structured light, high-speed vision, shape measurement, motion-compensation, real-time 3-D acquisition
Abstract

HFR 3D vision system

This paper presents a fast motion-compensated structured-light vision system that realizes 3-D shape measurement at 500 fps using a high-frame-rate camera-projector system. Multiple light patterns with an 8-bit gray code, are projected on the measured scene at 1000 fps, and are processed in real time for generating 512 × 512 depth images at 500 fps by using the parallel processing of a motion-compensated structured-light method on a GPU board. Several experiments were performed on fast-moving 3-D objects using the proposed method.

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Last updated on Sep. 20, 2017