Adaptive color bleeding removal for video and still DCT compressed sequences

Alfio Catorina; Giuseppe Spampinato; Arcangelo Bruna; Alessandro Capra

doi:10.1117/12.703061

20 February 2007 Adaptive color bleeding removal for video and still DCT compressed sequences

Alfio Catorina, Giuseppe Spampinato, Arcangelo Bruna, Alessandro Capra

Proceedings Volume 6502, Digital Photography III; 65020F (2007) https://doi.org/10.1117/12.703061
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

DCT based compression engines^1,2 are well known to introduce color artifacts on the processed input frames, in particular for low bit rates. In video standards, like MPEG-2³, MPEG-4⁴, H263⁵, and in still picture standards, like JPEG^6,7, blocking and ringing distortions are understood and considered, so different approaches have been developed to reduce these effects^8,9,10,11. On the other side, other kinds of phenomenon have not been deeply investigated. Among them, the chromatic color bleeding effects has only recently received proper attention^12,13. The scope of this paper is to propose and describe an innovative and powerful algorithm to overcome this kind of color artifacts.

Citation Download Citation

Alfio Catorina, Giuseppe Spampinato, Arcangelo Bruna, and Alessandro Capra "Adaptive color bleeding removal for video and still DCT compressed sequences", Proc. SPIE 6502, Digital Photography III, 65020F (20 February 2007); https://doi.org/10.1117/12.703061

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