Error-resilient wavelet image coding with fast resynchronization

Te-Chung Yang; Sunil Kumar; C.-C. Jay Kuo

doi:10.1117/12.334732

28 December 1998 Error-resilient wavelet image coding with fast resynchronization

Te-Chung Yang, Sunil Kumar, C.-C. Jay Kuo

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334732
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

An improved self-synchronizing Huffman code is proposed to decrease the error propagation length in the compressed bit stream caused by errors during transmission. After regaining synchronization, the decoder may still not be able to align each symbol with its correct location due to the wrong number of previously decoded symbols in the error propagation region. A scheme to identify the probable error location and then move symbols towards their correct positions is also proposed by exploiting the correlation between coefficients of the current subband and their parent subband. Experiments under different error conditions are performed, and it is demonstrated that the proposed error resilient techniques provide more a robust codec with very little sacrifice in the coding efficiency.

Citation Download Citation

Te-Chung Yang, Sunil Kumar, and C.-C. Jay Kuo "Error-resilient wavelet image coding with fast resynchronization", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334732

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