Temporal error concealment algorithm using fuzzy metric

Authors:
Changcai Lai;Chongyang Hao;Xiangyu Shen
Affiliations:
College of Electronic and Information Engineering, Northwestern Polytechnical University Xi'an, Shaanxi, China;College of Electronic and Information Engineering, Northwestern Polytechnical University Xi'an, Shaanxi, China;College of Computer Science, Northwestern Polytechnical University, Xi'an, Shaanxi, China
Venue:
ICIC'06 Proceedings of the 2006 international conference on Intelligent computing: Part II
Year:
2006

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Abstract

To efficiently recover the lost motion vectors of corrupt macroblocks, we introduce a new fuzzy metric based on Sugeno fuzzy integral as distortion metric in temporal error concealment. The proposed fuzzy metric can suit the HVS (human visual system) fairly well. Also, we integrate the proposed algorithm into H.264/AVC decoder. Experimental results from decoding several types of video sequences have shown that our scheme can considerably improve the visual quality of reconstructed images and achieve the PSNR gain at different frame.