Projection-based decoding of low bit-rate MPEG data

Yongyi Yang; Nikolas P. Galatsanos

doi:10.1117/12.185976

16 September 1994 Projection-based decoding of low bit-rate MPEG data

Yongyi Yang, Nikolas P. Galatsanos

Proceedings Volume 2308, Visual Communications and Image Processing '94; (1994) https://doi.org/10.1117/12.185976
Event: Visual Communications and Image Processing '94, 1994, Chicago, IL, United States

Abstract

In low bit-rate applications, MPEG based compressed video exhibits annoying coding artifacts. In this paper, image recovery algorithms based on the theory of projections onto convex sets are proposed to decode video images from MPEG data without coding artifacts. According to this approach, each video frame is reconstructed using not only the transmitted data but also other prior knowledge which is available and not explicitly used by the conventional MPEG decoding algorithm. Numerical experiments demonstrate that the proposed algorithm yield images superior to those from conventional MPEG decoders.

Citation Download Citation

Yongyi Yang and Nikolas P. Galatsanos "Projection-based decoding of low bit-rate MPEG data", Proc. SPIE 2308, Visual Communications and Image Processing '94, (16 September 1994); https://doi.org/10.1117/12.185976

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