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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 20 — Jul. 10, 1999
  • pp: 4325–4332

Comparison of direct blind deconvolution methods for motion-blurred images

Yitzhak Yitzhaky, Ruslan Milberg, Sergei Yohaev, and Norman S. Kopeika  »View Author Affiliations


Applied Optics, Vol. 38, Issue 20, pp. 4325-4332 (1999)
http://dx.doi.org/10.1364/AO.38.004325


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Abstract

Direct methods for restoration of images blurred by motion are analyzed and compared. The term direct means that the considered methods are performed in a one-step fashion without any iterative technique. The blurring point-spread function is assumed to be unknown, and therefore the image restoration process is called blind deconvolution. What is believed to be a new direct method, here called the whitening method, was recently developed. This method and other existing direct methods such as the homomorphic and the cepstral techniques are studied and compared for a variety of motion types. Various criteria such as quality of restoration, sensitivity to noise, and computation requirements are considered. It appears that the recently developed method shows some improvements over other older methods. The research presented here clarifies the differences among the direct methods and offers an experimental basis for choosing which blind deconvolution method to use. In addition, some improvements on the methods are suggested.

© 1999 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.1830) Image processing : Deconvolution
(100.3020) Image processing : Image reconstruction-restoration
(110.4850) Imaging systems : Optical transfer functions

History
Original Manuscript: November 17, 1998
Revised Manuscript: March 25, 1999
Published: July 10, 1999

Citation
Yitzhak Yitzhaky, Ruslan Milberg, Sergei Yohaev, and Norman S. Kopeika, "Comparison of direct blind deconvolution methods for motion-blurred images," Appl. Opt. 38, 4325-4332 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-20-4325

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