1995
DOI: 10.1364/josaa.12.002393
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Quadratic regularization functionals for phase unwrapping

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Cited by 119 publications
(53 citation statements)
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“…Regarding the latter, as the problem relies on the nonregularity of some energy terms E ij (δ i , δ j ), i.e., they do not verify (18), our procedure consists in approximating them by regular ones. We do that by leaning on majorize minimize MM [47] concepts.…”
Section: Nonconvex Potentialsmentioning
confidence: 99%
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“…Regarding the latter, as the problem relies on the nonregularity of some energy terms E ij (δ i , δ j ), i.e., they do not verify (18), our procedure consists in approximating them by regular ones. We do that by leaning on majorize minimize MM [47] concepts.…”
Section: Nonconvex Potentialsmentioning
confidence: 99%
“…Itoh condition might be violated if the true phase surface is discontinuous, or if the wrapped phase is noisy. In either cases, PU becomes a very difficult problem, to which much attention has been devoted [17], [18], [19], [20], [5], [21], [7].…”
Section: Introductionmentioning
confidence: 99%
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“…To handle this problem, both the path following and the minimum-norm procedures have incorporated quality maps as a measure of confidence on the observed data at each site (see, e.g., [18] for path following, [19] for weighted least-squares and [15] for weighted norm). In a quite different vein and recognizing that phase estimation is an ill-posed problem, papers [20]- [23] have adopted the regularization framework to impose smoothness on the solution. The same objective has been pursued in papers [24]- [29] by adopting a Bayesian viewpoint.…”
Section: Introductionmentioning
confidence: 99%
“…In a quite different vein, and recognizing that the absolute phase estimation is an ill-posed problem, papers [4], [5], [6], [7] have adopted the regularization framework to impose smoothness on the solution. The same objective has been pursued in papers [8], [9], [10], [11] by adopting a Bayesian viewpoint.…”
Section: Introductionmentioning
confidence: 99%