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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 13 — May. 1, 2012
  • pp: 2457–2462

Image-inpainting and quality-guided phase unwrapping algorithm

Lei Meng, Suping Fang, Pengcheng Yang, Leijie Wang, Masaharu Komori, and Aizoh Kubo  »View Author Affiliations

Applied Optics, Vol. 51, Issue 13, pp. 2457-2462 (2012)

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For the wrapped phase map with regional abnormal fringes, a new phase unwrapping algorithm that combines the image-inpainting theory and the quality-guided phase unwrapping algorithm is proposed. First, by applying a threshold to the modulation map, the valid region (i.e., the interference region) is divided into the doubtful region (called the target region during the inpainting period) and the reasonable one (the source region). The wrapped phase of the doubtful region is thought to be unreliable, and the data are abandoned temporarily. Using the region-filling image-inpainting method, the blank target region is filled with new data, while nothing is changed in the source region. A new wrapped phase map is generated, and then it is unwrapped with the quality-guided phase unwrapping algorithm. Finally, a postprocessing operation is proposed for the final result. Experimental results have shown that the performance of the proposed algorithm is effective.

© 2012 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(100.5088) Image processing : Phase unwrapping

ToC Category:
Image Processing

Original Manuscript: December 9, 2011
Revised Manuscript: February 6, 2012
Manuscript Accepted: February 10, 2012
Published: May 1, 2012

Lei Meng, Suping Fang, Pengcheng Yang, Leijie Wang, Masaharu Komori, and Aizoh Kubo, "Image-inpainting and quality-guided phase unwrapping algorithm," Appl. Opt. 51, 2457-2462 (2012)

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