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Optical Engineering

Dual pseudorandom array technique for error correction and hole filling of color structured-light three-dimensional scanning
Author(s): Udaya Wijenayake; Soon-Yong Park
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Paper Abstract

The accurate and dense real-time acquisition of three-dimensional (3-D) data using a low-cost structured light system remains an ongoing topic in the computer vision community, as it is difficult to achieve all these features simultaneously. Among several techniques, the pseudorandom array technique is widely used in real-time 3-D scene capturing, as it tends to concentrate the entire coding scheme into a single pattern. However, existing pseudorandom array decoding methods cannot decode a given symbol in real time when missing neighbors exist. As a solution, we propose a dual pseudorandom array encoding and decoding method and a hole-filling method, which can improve the reconstruction accuracy and time. We experimentally compared our method with several others to verify that our method captures 3-D scenes quickly and densely.

Paper Details

Date Published: 27 April 2015
PDF: 17 pages
Opt. Eng. 54(4) 043109 doi: 10.1117/1.OE.54.4.043109
Published in: Optical Engineering Volume 54, Issue 4
Show Author Affiliations
Udaya Wijenayake, Kyungpook National Univ. (Republic of Korea)
Soon-Yong Park, Kyungpook National Univ. (Republic of Korea)


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