A practical postprocessing technique for real-time block-based coding system

Authors:
Yuk-Hee Chan;Sung-Wai Hong;Wan-Chi Siu
Affiliations:
Dept. of Electron. Eng., Hong Kong Polytech. Univ., Kowloon;-;-
Venue:
IEEE Transactions on Circuits and Systems for Video Technology
Year:
1998

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Abstract

A noniterative postprocessing method is proposed to restore the images encoded with block-based compression standards such as Joint Photographic Experts Group (JPEG). This method classifies small local boundary regions according to their intensity distribution and then selects appropriate linear predictors to estimate the corresponding boundary pixels in the regions. This approach is easy to implement and we found in our simulations that its restoration performance was very respectable compared with the reported postprocessing methods