Efficient postprocessor for blocky effect removal based on transform characteristics

Shih Chang Hsia, Jar Ferr Yang, Bin Da Liu

研究成果: Article同行評審

19 引文 斯高帕斯(Scopus)

摘要

In this paper, we propose transform-domain algorithms to effectively classify the characteristics of blocks and estimate the strength of the blocky effect. The transform-domain algorithms require much lower computational complexity and much less memory than the spatial ones. Along with the estimated blocky strength, we also propose an adaptive finite impulse response (FIR) filter to effectively remove the blocky effect. Simulation results show that the proposed algorithms sharply preserve the edge information and greatly improve the decoded image quality.

原文English
頁(從 - 到)924-929
頁數6
期刊IEEE Transactions on Circuits and Systems for Video Technology
7
發行號6
DOIs
出版狀態Published - 1997

All Science Journal Classification (ASJC) codes

  • 媒體技術
  • 電氣與電子工程

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