UNSPECIFIED (1994) A REVIEW OF PHASE UNWRAPPING TECHNIQUES IN FRINGE ANALYSIS. OPTICS AND LASERS IN ENGINEERING, 21 (4). pp. 199-239. ISSN 0143-8166

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Abstract

There has been an increasing interest in the automation of fringe analysis over the last decade. In recent years a number of researchers have addressed the problem of automatic phase unwrapping in fringe analysis. The advent of phase stepping and the development of FFT techniques has moved the emphasis in automated techniques away from fringe tracking and towards fringe counting or scanning approaches, but a major difficulty with such scanning techniques has been their susceptibility to noise. However, several alternative noise-immune phase unwrapping strategies have been proposed, bur these approaches have nor addressed the problems caused by large scale discontinuities such as those produced by aliasing. Other methods have been developed which confront this last difficulty. This paper gives an overview of the phase unwrapping problem and describes fringe tracking, fringe scanning, noise-immune and region processing techniques that have been developed in the search for the fully automated solution.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	OPTICS AND LASERS IN ENGINEERING
Publisher:	ELSEVIER SCI LTD
ISSN:	0143-8166
Date:	1994
Volume:	21
Number:	4
Number of Pages:	41
Page Range:	pp. 199-239
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/20094

Data sourced from Thomson Reuters' Web of Knowledge

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