Error concealment of H.264 encoded video through a hybrid scheme

Authors:
Chinmay Kumar Nayak;Jayalakshmi Surendran;S. N. Merchant;U. B. Desai;Sugata Sanyal
Affiliations:
Defence Research and Development Organisation, India;Vidyalankar Institute of Technology, Mumbai, India;Indian Institute of Technology, Bombay, India;Indian Institute of Technology, Hyderabad, India;Tata Institute of Fundamental Research, Mumbai, India
Venue:
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
Year:
2010

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Abstract

A hybrid error concealment scheme for H.264/AVC that uses the concept of watermarking, Overlapping Boundary Matching Algorithm (OBMA) and Projection Onto Convex Sets (POCS) is proposed in this paper. The advantage of this scheme is that, watermarking is performed during the encoding process itself. The specific features of both intra coded and inter coded frames are exploited for this purpose. The proposed method chooses watermarking or OBMA or POCS or a combination of them selectively for error concealment which minimizes computational complexity. Simulations are performed to show that the proposed method works well with those videos which have abruptly moving blocks.