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Proceedings Paper

An LED-array-based range imaging system used for enhancing three-dimensional imaging
Author(s): Huanqin Wang; Jun Xu; Deyong He; Tianpeng Zhao; Anting Wang; Hai Ming; Deyi Kong
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Paper Abstract

An LED-array-based range imaging system is proposed for three-dimensional (3-D) shape measurement. The range image is obtained by time-division electronic scanning of the LED Time-of-Flight (TOF) range finders in array, and no complex mechanical scanning is needed. By combining with a low cost CCD/CMOS sensor for capturing the twodimensional (2-D) image, the proposed range imaging system can be used to accomplish a high quality 3-D imaging. A sophisticated co-lens optical path is designed to assure the natural registration between the range image and 2-D image. Experimental tests for evaluation of the imaging system performance are described. It was found that the 3-D images can be acquired at a rate of 10 frames per second with a depth resolution better than 5mm in the range of 50 - 1000mm, which is sufficient for many practical applications, including the obstacle detection in robotics, machine automation, 3-D vision, virtual reality games and 3-D video.

Paper Details

Date Published: 9 November 2010
PDF: 8 pages
Proc. SPIE 7850, Optoelectronic Imaging and Multimedia Technology, 78501E (9 November 2010); doi: 10.1117/12.869446
Show Author Affiliations
Huanqin Wang, Institute of Intelligent Machines (China)
Jun Xu, Univ. of Science and Technology of China (China)
Deyong He, Univ. of Science and Technology of China (China)
Tianpeng Zhao, Univ. of Science and Technology of China (China)
Anting Wang, Univ. of Science and Technology of China (China)
Hai Ming, Univ. of Science and Technology of China (China)
Deyi Kong, Institute of Intelligent Machines (China)

Published in SPIE Proceedings Vol. 7850:
Optoelectronic Imaging and Multimedia Technology
Toru Yoshizawa; Ping Wei; Jesse Zheng; Tsutomu Shimura, Editor(s)

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