Joint source/channel coding for image transmission with JPEG2000 over memoryless channels

Authors:
Zhenyu Wu;A. Bilgin;M. W. Marcellin
Affiliations:
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA;-;-
Venue:
IEEE Transactions on Image Processing
Year:
2005

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Abstract

The high compression efficiency and various features provided by JPEG2000 make it attractive for image transmission purposes. A novel joint source/channel coding scheme tailored for JPEG2000 is proposed in this paper to minimize the end-to-end image distortion within a given total transmission rate through memoryless channels. It provides unequal error protection by combining the forward error correction capability from channel codes and the error detection/localization functionality from JPEG2000 in an effective way. The proposed scheme generates quality scalable and error-resilient codestreams. It gives competitive performance with other existing schemes for JPEG2000 in the matched channel condition case and provides more graceful quality degradation for mismatched cases. Furthermore, both fixed-length source packets and fixed-length channel packets can be efficiently formed with the same algorithm.