NDLI: Blind Image Restoration Using Improved APEX Method with Pre-denoising

Content Provider	IEEE Xplore Digital Library
Author	Jianlin Zhang Qiheng Zhang
Copyright Year	2007
Description	Author affiliation: Chinese Acad. of Sci., Chengdu (Jianlin Zhang; Qiheng Zhang)
Abstract	Loss of image quality due to degradation has seriously bad effect on the post-analyzing and postprocessing of image. Blind restoration of degraded image is usually required to improve the image quality, for the reason that the degradation is partially or completely unknown in many practical situations. Commonly, using the APEX method can effectively accomplish the blind restoration when a significant class of degradation (Levy stable processes) is considered, but noise is unexpectedly amplified in the process. In this paper, a novel method is proposed to both suppress the noise effect and improve the image quality. The performance of the method is investigated with experiments on real degraded images. The noniterative property of this method makes its application and implementation in real-time image processing systems be easy.
Starting Page	164
Ending Page	168
File Size	536605
Page Count	5
File Format	PDF
ISBN	0769529291
DOI	10.1109/ICIG.2007.55
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Image quality Graphics Optical losses Real time systems Convolution Image processing Educational institutions Image restoration Optical noise
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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