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Title: Optimal bit allocation for hybrid scalable/multiple-description video transmission over wireless channels
Authors: Jubran, Mohammad K. 
Bansal, Manu 
Kondi, Lisimachos P. 
Keywords: Hybrid scalable/multiple-description video coding;Wireless video transmission;Optimal bit allocation;R-D optimization;Unequal error protection;Wireless communication systems;Radio - Transmitters and transmission - Fading;Video compression - Standards
Issue Date: 1-May-2006
Publisher: SPIE- The International Society for Optics and Photonics
Source: Mohammad K. Jubran, Manu Bansal, and Lisimachos P. Kondi "Optimal bit allocation for hybrid scalable/multiple-description video transmission over wireless channels", Proc. SPIE 6077, Visual Communications and Image Processing 2006, 60770D (19 January 2006);
Journal: Proceedings of SPIE-IS & T Eletronic Imaging, vol. 6077, 2006 
Abstract: In this paper, we consider the problem of optimal bit allocation for wireless video transmission over fading channels. We use a newly developed hybrid scalable/multiple-description codec that combines the functionality of both scalable and multiple-description codecs. It produces a base layer and multiple-description enhancement layers. Any of the enhancement layers can be decoded (in a non-hierarchical manner) with the base layer to improve the reconstructed video quality. Two different channel coding schemes (Rate-Compatible Punctured Convolutional (RCPC)/Cyclic Redundancy Check (CRC) coding and, product code Reed Solomon (RS)+RCPC/CRC coding) are used for unequal error protection of the layered bitstream. Optimal allocation of the bitrate between source and channel coding is performed for discrete sets of source coding rates and channel coding rates. Experimental results are presented for a wide range of channel conditions. Also, comparisons with classical scalable coding show the effectiveness of using hybrid scalable/multiple-description coding for wireless transmission.
Description: A chapter of a book titled : Visual communications and image processing / edited by John G. Apostolopoulos and Amir Said, 2006. Event: Electronic Imaging 2006, 2006, San Jose, California, United States
ISBN: 0819461172
ISSN: 0277786X
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