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Content Provider | IEEE Xplore Digital Library |
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Author | Jieyu Liu Deyun Zhang Yue Wang Lixin Wang |
Copyright Year | 2006 |
Description | Author affiliation: Sch. of Electron. & Inf. Eng., Xi'an Jiaotong Univ. (Jieyu Liu; Deyun Zhang; Yue Wang) |
Abstract | In the light of effective and reliable transmission of MJPEG2000 sequences through unknown channels, an adaptive joint source-channel coding scheme based on feedback is put forward in this paper. SNR of a channel is estimated in real time by using subspace-based estimation method, and the error bit rate is obtained accordingly. Then by fully using the different characteristics of the JPEG2000 bit stream packets, a target function is constructed, by which different protections are carried out for different packets according to their impacts on the quality of the reconstructed image. Thus an adaptive rate-allocation is realized in a lower complexity. Experiments results show that the present algorithm improves on the existing ones |
Starting Page | 4195 |
Ending Page | 4198 |
File Size | 115622 |
Page Count | 4 |
File Format | |
ISBN | 1424403324 |
DOI | 10.1109/WCICA.2006.1713165 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2006-06-21 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Bit error rate Transform coding Bit rate Protection Image coding Resilience Decoding Image reconstruction Error correction codes Adaptive systems Error bit rate Motion JPEG2000 JSCC |
Content Type | Text |
Resource Type | Article |
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