Video Redundancy Coding in H.263

The forthcoming new version of ITUT’s advanced video compression recommendation H.263 [1] includes several optional modes for the support of packet networks. This paper gives a brief description of those modes and discusses in detail a new method for temporal error resilience, called Video Redundancy Coding, which is one possible usage of one of the optional modes. In conjunction with spatial error resilience mechanisms, Video Redundancy Coding has been proven to be a superior method for achieving high quality video transmission over non guaranteed QoS packet networks that have packet loss rates as high as 20%, with a minimal additional coding overhead.

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