A Flexible R-D-Based Multiple Description Scheme for JPEG 2000

Multiple description coding (MDC) is a good way to combat packet losses in error-prone networks subject to packet erasures. However, redundancy tuning is often difficult, and this makes the generation of descriptions with good redundancy-rate-distortion performance a hard job. Moreover, the complexi...

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Vydáno v:IEEE signal processing letters Ročník 14; číslo 3; s. 197 - 200
Hlavní autoři: Baccaglini, E., Tillo, T., Olmo, G.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.03.2007
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Character generation
Coding
Complexity
Encoding
Image coding
Image communication
Image compression
JPEG encoders-decoders
Multimedia communication
multiple description coding (MDC)
Networks
Quantization
Rate-distortion
Redundancy
Signal processing
Signal processing algorithms
source channel coding
Tuning
Wireless communication
ISSN:1070-9908, 1558-2361
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Shrnutí:Multiple description coding (MDC) is a good way to combat packet losses in error-prone networks subject to packet erasures. However, redundancy tuning is often difficult, and this makes the generation of descriptions with good redundancy-rate-distortion performance a hard job. Moreover, the complexity of generating more than two descriptions represents a strong limitation to MDC. In this letter, we propose a method that exploits the data rate-distortion characteristics to generate multiple descriptions for JPEG 2000 with tunable redundancy levels. The identification of the best number of descriptions as a function of the network conditions is also addressed
Bibliografie:ObjectType-Article-2
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ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2006.883986