Imaging Components, Systems, and Processing

Dual pseudorandom array technique for error correction and hole filling of color structured-light three-dimensional scanning

[+] Author Affiliations
Udaya Wijenayake, Soon-Yong Park

Kyungpook National University, School of Computer Science and Engineering, 80 Daehak-ro, Buk-gu, Daegu 702-701, Republic of Korea

Opt. Eng. 54(4), 043109 (Apr 27, 2015). doi:10.1117/1.OE.54.4.043109
History: Received December 30, 2014; Accepted March 30, 2015
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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.

© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Udaya Wijenayake and Soon-Yong Park
"Dual pseudorandom array technique for error correction and hole filling of color structured-light three-dimensional scanning", Opt. Eng. 54(4), 043109 (Apr 27, 2015). ; http://dx.doi.org/10.1117/1.OE.54.4.043109


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