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Although wireless and IP-based access to video content gives a new degree offreedom to the viewers, the risk of severe block losses caused by transmissionerrors is always present. The purpose of this paper is to present a new methodfor concealing block losses in erroneously received video sequences. For this,a motion compensated data set is generated around the lost block. Based on thisaligned data set, a model of the signal is created that continues the signalinto the lost areas. Since spatial as well as temporal informations are usedfor the model generation, the proposed method is superior to methods that useeither spatial or temporal information for concealment. Furthermore itoutperforms current state of the art spatio-temporal concealment algorithms byup to 1.4 dB in PSNR.

Motion Compensated Frequency Selective Extrapolation for Error Concealment in Video Coding