TY - JOUR
T1 - Robust EZW image coding for noisy channels
AU - Man, Hong
AU - Kossentini, Faouzi
AU - Smith, Mark J.T.
PY - 1997
Y1 - 1997
N2 - We present a new embedded zerotree wavelet image coding algorithm that is based on the algorithms developed by Shapiro and Said et al. Our algorithm features a relatively simple coding structure and provides a better framework for balancing between high compression performance and robustness to channel errors. The fundamental approach is to explicitly classify the encoder's output bit sequence into subsequences, which are then protected differently according to their importance and robustness. Experimental results indicate that, for noisy channels, the proposed algorithm is slightly more resilient to channel errors than more complex and sophisticated source-channel coding algorithms. More important is that our algorithm is substantially more robust with respect to varying channel error conditions. This provides much needed reliability in low-bandwidth wireless applications.
AB - We present a new embedded zerotree wavelet image coding algorithm that is based on the algorithms developed by Shapiro and Said et al. Our algorithm features a relatively simple coding structure and provides a better framework for balancing between high compression performance and robustness to channel errors. The fundamental approach is to explicitly classify the encoder's output bit sequence into subsequences, which are then protected differently according to their importance and robustness. Experimental results indicate that, for noisy channels, the proposed algorithm is slightly more resilient to channel errors than more complex and sophisticated source-channel coding algorithms. More important is that our algorithm is substantially more robust with respect to varying channel error conditions. This provides much needed reliability in low-bandwidth wireless applications.
KW - Channel error robustness and resilience
KW - Coding
KW - Embedded zerotrees
KW - Joint source-channel
KW - Wavelet coding
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U2 - 10.1109/97.611284
DO - 10.1109/97.611284
M3 - Article
AN - SCOPUS:0031210575
SN - 1070-9908
VL - 4
SP - 227
EP - 229
JO - IEEE Signal Processing Letters
JF - IEEE Signal Processing Letters
IS - 8
ER -