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28 January 2008 Spatio-temporal fuzzy filtering for coding artifacts reduction
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Abstract
A 3D fuzzy-filtering scheme is proposed for reduction of compression artifacts such as blocking and ringing noises. The proposed scheme incorporates information from temporally-neighboring frames as well as from spatially-neighboring pixels by accounting for the spatio-temporal relationships in the definitions of spatial-rank orders and spread information for the fuzzy-filter. Extra information from a 3D set of pixels of the surrounding frames helps enhance the clustering characteristic of the fuzzy filter while preserving the frame edges. The proposed scheme also exploits the chroma components from neighboring frames to reconstruct the color of the current frame more faithfully. The experimental results show that both the subjective and the objective qualities of post-processed video are significantly improved.
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Dũng Trung Võ, Sehoon Yea, and Anthony Vetro "Spatio-temporal fuzzy filtering for coding artifacts reduction", Proc. SPIE 6822, Visual Communications and Image Processing 2008, 68220Z (28 January 2008); https://doi.org/10.1117/12.766937
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