Phase-unwrapping algorithm based on an adaptive criterion

Thumbnail Image
Full text at PDC
Publication Date
Advisors (or tutors)
Journal Title
Journal ISSN
Volume Title
The Optical Society of America
Google Scholar
Research Projects
Organizational Units
Journal Issue
A new algorithm for phase unwrapping of phase maps with noise or logical inconsistencies is proposed. It is based on the use of an adaptive threshold and the second difference of the locally unwrapped phase as a selection criterion for the pixels to be processed.
© 1995 Optical Society of America. We thank Hans Steinbichler for the images of Fig. 3. This work was partially supported by (Tecnologías Avanzadas de la Producción under project TAP92-0087 from the Comisión Interministerial de Ciencia y Tecnología).
1. H. A. Vrooman and A. A. M. Mass, ‘‘New image processing algorithms for the analysis of speckle interference patterns”, in Fringe Pattern Analysis, G. T. Reid, ed., Proc. Soc. Photo-Opt. Instrum. Eng. 1163, 51–61 119892. 2. D. Dirksen, X. Su, D. Vukicevic, and G. von Bally, ‘‘Optimized phase shifting and use of phase modulation function for highresolution phase evaluation”, in Fringe ’93, Proceedings of Second International Workshop on Automatic Processing of Fringe Patterns, W. Ju¨ ptner and W. Osten, eds. 1Akademie, Berlin, 19932, p. 148–153. 3. J. A. Quiroga and E. Bernabeu, ‘‘Phase-unwrapping algorithm for noisy phase map processing”, Appl. Opt. 33, 6725–6731 119942. 4. D. P. Towers, T. R. Judge, and P. J. Bryanston-Cross, ‘‘A quasi-heterodyne holographic technique and automatic algorithms for phase unwrapping”, in Fringe Pattern Analysis, G. T. Reid, ed., Proc. Soc. Photo-Opt. Instrum. Eng. 1163, 95–119 119892. 5. D. J. Bone, ‘‘Fourier fringe analysis: the two-dimensional phase-unwrapping problem”, Appl. Opt. 30, 3627–3632 119912.