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
Original Manuscript: September 6, 1994
Revised Manuscript: January 17, 1995
Published: May 10, 1995
J. A. Quiroga, A. González-Cano, and E. Bernabeu, "Phase-unwrapping algorithm based on an adaptive criterion," Appl. Opt. 34, 2560-2563 (1995)