Postprocessing Method for Blocking Artifact Reduction Using Block Classification and Adaptive Filtering 


Vol. 27,  No. 6, pp. 592-601, Jun.  2002


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  Abstract

A postprocessing method for blocking artifact reduction in block coded images is presented. The proposed method consists of classification, adaptive inter-block filtering, and intra-block filtering. First, each block is classified as one of seven classes according to the characteristics of 8×8 DCT coefficients. Then each block boundary is filtered by adaptive inter-block filters, which use the block classes. Finally to the blocks which are classified as edge block classes, intra-block filtering is performed. Experimental tests produced that the proposed method gives better results than the conventional methods from both a subjective and an objective viewpoint.

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  Cite this article

[IEEE Style]

S. Lee, K. Kwon, B. Kim, S. Lee, S. Kwon, K. Lee, "Postprocessing Method for Blocking Artifact Reduction Using Block Classification and Adaptive Filtering," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 6, pp. 592-601, 2002. DOI: .

[ACM Style]

Suk-Hwan Lee, Kee-Koo Kwon, Byung-Ju Kim, Seung-Jin Lee, Seong-Geun Kwon, and Kuhn-Il Lee. 2002. Postprocessing Method for Blocking Artifact Reduction Using Block Classification and Adaptive Filtering. The Journal of Korean Institute of Communications and Information Sciences, 27, 6, (2002), 592-601. DOI: .

[KICS Style]

Suk-Hwan Lee, Kee-Koo Kwon, Byung-Ju Kim, Seung-Jin Lee, Seong-Geun Kwon, Kuhn-Il Lee, "Postprocessing Method for Blocking Artifact Reduction Using Block Classification and Adaptive Filtering," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 6, pp. 592-601, 6. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880