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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Salemi, E. Desset, C. Cornelis, J. Schelkens, P. |
| Copyright Year | 2005 |
| Description | Author affiliation: IMEC, Leuven, Belgium (Salemi, E.; Desset, C.; Cornelis, J.; Schelkens, P.) |
| Abstract | Due to the improvement of compression technology, limited bandwidth channels can convey more data than before. However, since compressed streams are very sensitive to transmission errors, a joint optimization of the source-channel coding is required. Unequal error protection (UEP) is the most pragmatic way to do it, and exploits the embedded nature of bitstreams produced by scalable coders. However, depending on the number of substreams and protection levels, optimization of UEP can be extremely complex. A large simplification comes from considering the contribution to the global distortion of each substream as independent from the others. This paper explores this distortion additivity assumption for JPEG2000, and shows that though the assumption does not fully hold, no visible consequence on UEP performance is introduced, while reducing significantly the complexity of the optimization process. |
| Sponsorship | IEEE Signal Processing Soc |
| File Size | 1842866 |
| File Format | |
| ISBN | 0780388747 |
| ISSN | 15206149 |
| DOI | 10.1109/ICASSP.2005.1415393 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-03-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Error correction codes Multimedia communication Multimedia systems Communication systems Transform coding Channel coding Redundancy Communication system control Image coding Bandwidth |
| Content Type | Text |
| Resource Type | Article |
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