Joint Source Channel Coding of MPEG-4 Video

Li Ping; Xiao Song; Wu Cheng-ke; Tang Kun; Cui Hui-juan

Volume 28 Issue 6

Jun. 2006

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Article Navigation > Journal of Electronics & Information Technology > 2006 > 28(6): 1049-1053

Li Ping, Xiao Song, Wu Cheng-ke, Tang Kun, Cui Hui-juan. Joint Source Channel Coding of MPEG-4 Video[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1049-1053.

Citation:

Li Ping, Xiao Song, Wu Cheng-ke, Tang Kun, Cui Hui-juan. Joint Source Channel Coding of MPEG-4 Video[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1049-1053.

Li Ping, Xiao Song, Wu Cheng-ke, Tang Kun, Cui Hui-juan. Joint Source Channel Coding of MPEG-4 Video[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1049-1053.

Citation:

Li Ping, Xiao Song, Wu Cheng-ke, Tang Kun, Cui Hui-juan. Joint Source Channel Coding of MPEG-4 Video[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1049-1053.

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Joint Source Channel Coding of MPEG-4 Video

Received Date: 2004-10-11
Rev Recd Date: 2005-11-23
Publish Date: 2006-06-19

Abstract

Abstract

A new robust joint source channel coding method for MPEG-4 video over noisy channel is proposed. In the method, the base layer bit streams are reordered according to their relative importance and then interlaced packetized. Multiple sub-layers of texture information are generated based on their rate distortion function, the number of which is adjusted dynamically by the encoder according to the feedback information to minimize the overall distortion. Simulation results show that the method has the performance obviously higher than that of un-protected MPEG-4, and can be more stable than MPEG-4 equal error protection method under the same conditions of bandwidth and packet loss rate. Since the method makes joint optimization to the the number of transmission sublayers and the protection level according to the feedback parameter, it can be more adaptive to the channel situation and can obtain higher performance compared with MDFEC method proposed by Puri, which design the object functions and perfoms optimization according to the fixed channel situation.

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References(1)

References

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