Transmission error detection, resynchronization, and error concealment for MPEG video decoder

Sang Hoon Lee; Jong Sun Yoon; Seong Hwan Jang; Soon Hwa Jang

doi:10.1117/12.157937

22 October 1993 Transmission error detection, resynchronization, and error concealment for MPEG video decoder

Sang Hoon Lee, Jong Sun Yoon, Seong Hwan Jang, Soon Hwa Jang

Proceedings Volume 2094, Visual Communications and Image Processing '93; (1993) https://doi.org/10.1117/12.157937
Event: Visual Communications and Image Processing '93, 1993, Cambridge, MA, United States

Abstract

In this paper, we propose an error detection and a resynchronization algorithm in the decoding process of VLC and an error concealment technique for MPEG video decoder. A transmission error causes an error propagation in compressed video data, which in turn leads to objectionable degradation in picture quality. In order to minimize the effect of error propagation, we should resynchronize and recover the differentially coded symbols as fast as possible. The proposed algorithm is capable of resynchronizing the VLC until at least the next macroblock. Concerning the error concealment algorithm, more emphasis is laid upon the concealment of erroneous intra mode MBs. The proposed technique shows better performance than any other previous techniques especially in I-pictures and scene change pictures.

Citation Download Citation

Sang Hoon Lee, Jong Sun Yoon, Seong Hwan Jang, and Soon Hwa Jang "Transmission error detection, resynchronization, and error concealment for MPEG video decoder", Proc. SPIE 2094, Visual Communications and Image Processing '93, (22 October 1993); https://doi.org/10.1117/12.157937

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