Multigrid algorithms for processing fringe-pattern images

被引：12

作者：

Botello, S ^{[1
]}

Marroquin, JL ^{[1
]}

Rivera, M ^{[1
]}

机构：

[1] Ctr Invest Matemat, Guanajuato 36000, Mexico

来源：

APPLIED OPTICS | 1998年 / 37卷 / 32期

关键词：

D O I：

10.1364/AO.37.007587

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a modification of the multigrid method for the minimization of quadratic cost functions that result from the formulation of several problems in the digital processing of fringe-pattern images by using the Bayesian estimation-theory framework. With this modification the method can be applied to irregular domains and results in substantial savings in computational cost. We compare it with other state-of-the-art numerical techniques and present examples of its application to image smoothing without edge effects, robust quadrature filtering for the phase demodulation of spatial-carrier fringe patterns, and robust phase unwrapping. (C) 1998 Optical Society of America.

引用

页码：7587 / 7595

页数：9

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