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Phase unwrapping for noisy phase map using localized compensator

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Title: Phase unwrapping for noisy phase map using localized compensator
Authors: Tomioka, Satoshi Browse this author →KAKEN DB
Nishiyama, Shusuke Browse this author
Issue Date: 20-Jul-2012
Publisher: Optical Society of America
Journal Title: Applied Optics
Volume: 51
Issue: 21
Start Page: 4984
End Page: 4994
Publisher DOI: 10.1364/AO.51.004984
PMID: 22858936
Abstract: Phase unwrapping for a noisy image suffers from many singular points. Singularity-spreading methods are useful for the noisy image to regularize the singularity. However, the methods have a drawback of distorting phase distribution in a regular area that contains no singular points. When the singular points are confined in some local areas, the regular region is not distorted. This paper proposes a new phase unwrapping algorithm that uses a localized compensator obtained by clustering and by solving Poisson's equation for the localized areas. The numerical results demonstrate that the proposed method can improve the accuracy compared with other singularity-spreading methods.
Rights: © 2012 Optical Society of America
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 富岡 智

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