Robust phase unwrapping by spinning iteration
Optics Express, Vol. 15, Issue 13, pp. 8059-8064 (2007)
http://dx.doi.org/10.1364/OE.15.008059
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Abstract
This work describes a rapid-phase unwrapping algorithm that combines the rapidity and simplicity of a path-dependent algorithm and the robustness of a path-independent algorithm by rotating the phase map or the unwrapping direction 90° after a scan in one direction. It offers a solution for noise-contaminated phase data, which includes artifacts, complex-shaped borders, or regions of holes. The algorithm can be used in real-time processing. In addition, a phase-dislocation masking method is presented that can be used to detect and clean inconsistent data and improve the rms values of signal-to-noise ratio in unwrapped phase maps.
© 2007 Optical Society of America
OCIS Codes
(100.2000) Image processing : Digital image processing
(100.5070) Image processing : Phase retrieval
ToC Category:
Image Processing
History
Original Manuscript: March 30, 2007
Revised Manuscript: May 9, 2007
Manuscript Accepted: May 14, 2007
Published: June 13, 2007
Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics
Citation
Shi Yuqing, "Robust phase unwrapping by spinning iteration," Opt. Express 15, 8059-8064 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-8059
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References
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