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Image Enhancement with Attenuated Blocking Artifact in Transform Domain

Sung Kon OH, Jeong Hyun YOON, Yong Man RO

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Summary :

Image processing in transform domain has many advantages but it could be suffered from local effects such as a blocking artifact. In this paper, an image processing is performed by weighting coefficients in the compressed domain, i.e., filtering coefficients are appropriately selected according to the processing. Since we find the appropriate factors according to global image enhancement, blocking artifacts are reduced between inter-blocks. Experimental results show that the proposed technique has the advantages of simple computation and easy implementation.

Publication
IEICE TRANSACTIONS on Information Vol.E85-D No.1 pp.291-297
Publication Date
2002/01/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Image Processing, Image Pattern Recognition

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