Fast edge-preserving image restoration based on phase information

We propose a fast method for linearizing the edge-preserving regularization. The regularization operator is decomposed to the sum of some linear operators. The phase-only image is used in place of the estimated image. Those linear operators are computed from the phase-only image. They are the approx...

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Bibliographic Details
Published in:Optical Engineering 2007-02, Vol.46 (2), p.027003-027004
Main Authors: Zhang, Tian-xu, Zhang, Kun, He, Cheng-jian, Zhang, Bi-yin, Yan, Lu-xin
Format: Article
Language:English
Subjects:
Algorithms
Computation
Discontinuity
edge-preserving regularization
image restoration
Linear operators
Operators
phase-only image
Regularization
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Summary:We propose a fast method for linearizing the edge-preserving regularization. The regularization operator is decomposed to the sum of some linear operators. The phase-only image is used in place of the estimated image. Those linear operators are computed from the phase-only image. They are the approximation of the true regularization operator. The new discontinuity maps do not need to be computed from the last image estimate at every step of the algorithm. This fast method can reduce much algorithm processing time.
ISSN:0091-3286
1560-2303
DOI:10.1117/1.2710175