Error Concealment for MPEG-2 Video

In this chapter the problem of error concealment for MPEG-2 compressed video bitstreams applied to the digital TV-broadcasting is examined and a number of different error concealment approaches are considered. More specifically, temporal, spatial, and combinations of these approaches are investigated. In addition, a method for faster re-synchronization is examined. Simulation results are shown that compare these approaches both objectively and subjectively for different bit error rates. Furthermore, error concealment techniques and experimental comparisons are shown for MPEG-2 scalable bitstreams. For these simulations it is assumed that the base layer is error-free and the enhancement layer is error-prone.

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