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14 p, 2.3 MB A SVD based scheme for post processing of DCT coded images / Kumar Srivastava, Vinay (Motilal Nehru National Institute of Technology (Allahabad, Índia). Department of Electronics and Communication Engineering)
In block discrete cosine transform (DCT) based image compression the blocking artifacts are the main cause of degradation, especially at higher compression ratio. In proposed scheme, monotone or edge blocks are identified by examining the DCT coefficients of the block itself. [...]
2009 - 10.5565/rev/elcvia.160
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, Vol. 8, Núm. 3 ( 2009) , p. 1-14  

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