A novel compression scheme for MPEG-4 headers for visual communication
A novel compression scheme for MPEG-4 headers for visual communication
- Author(s): Z. Ahmad ; S. Worrall ; A.H. Sadka ; A.M. Kondoz
- DOI: 10.1049/cp:20050105
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- Author(s): Z. Ahmad ; S. Worrall ; A.H. Sadka ; A.M. Kondoz Source: IEE International Conference on Visual Information Engineering (VIE 2005), 2005 p. 309 – 314
- Conference: IEE International Conference on Visual Information Engineering (VIE 2005)
- DOI: 10.1049/cp:20050105
- ISBN: 0 86341 507 5
- Location: Glasgow, UK
- Conference date: 4-6 April 2005
- Format: PDF
Overheads associated with MPEG-4 video compressed packets reduce bandwidth efficiency. Mobile operators may save a significant percentage of the required bandwidth using IP header compression technologies, and thereby reduce necessary investments. In this paper, a novel header compression scheme for MPEG-4 video packets is proposed and analysed. It is designed to complement existing IP header compression schemes. MPEG-4 video packet headers contribute a significant portion of video packet size, particularly when error resilience options are switched on. Redundancy present in consecutive packet headers permits efficient header compression. The results show significant improvement in video objective and subjective qualities.
Inspec keywords: 3G mobile communication; multimedia communication; video coding; data compression; mobile radio; video streaming; packet radio networks
Subjects: Multimedia; Mobile radio systems; Video signal processing; Multimedia communications; Image and video coding
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