Robust GOB intra refresh scheme for H.264/AVC video over UMTS
Robust GOB intra refresh scheme for H.264/AVC video over UMTS
- Author(s): X. Wang ; C. Kodikara ; A.H. Sadka ; A.M. Kondoz
- DOI: 10.1049/cp:20050192
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- Author(s): X. Wang ; C. Kodikara ; A.H. Sadka ; A.M. Kondoz Source: 6th IEE International Conference on 3G and Beyond (05/11182), 2005 p. 55 – 58
- Conference: 6th IEE International Conference on 3G and Beyond (05/11182)
- DOI: 10.1049/cp:20050192
- ISBN: 0 86341 572 5
- Location: London, UK
- Conference date: 7-9 Nov. 2005
- Format: PDF
3G mobile systems are designed to provide multimedia services. To fulfill QoS requirements for video applications, a robust video codec should be employed. In this paper, a robust and effective algorithm for group of blocks (GOB) intra refresh in H.264/AVC is presented. The objective is to mitigate the error propagation and improve the perceptual video quality over the mobile networks. Experimental results show that the proposed algorithm can efficiently improve the video quality when errors occur.
Inspec keywords: video communication; video coding; video codecs; multimedia communication; 3G mobile communication
Subjects: Image and video coding; Mobile radio systems; Multimedia communications
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