An Effective Ringing Artifact Detection and Reduction Algorithm

© NCKU 2009

In this thesis, a new effective method for ringing artifact removal in compressed

images is proposed. Blocks with ringing artifacts are accurately

detected by our ringing artifact detection scheme. Range .filter is applied

to the detected block to remove ringing artifact. Simulation results demonstrate

that the proposed algorithm effectively reduces ringing artifact and

preserves image details as well. It also improves both visual quality and

PSNR of compressed images compared to existing approaches.

An Effective Ringing Artifact Detection and Reduction Algorithm

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