H.264-Based Multiple Description Coding Using Motion Compensated Temporal Interpolation

Abstract : Multiple description coding is a framework adapted to noisy transmission environments. In this work, we use H.264 to create two descriptions of a video sequence, each of them assuring a minimum quality level. If both of them are received, a suitable algorithm is used to produce an improved quality sequence. The key technique is a temporal image interpolation using motion compensation, inspired to the distributed video coding context. The interpolated image blocks are weighted with the received blocks obtained from the other description. The optimal weights are computed at the encoder and efficiently sent to the decoder as side information. The proposed technique shows a remarkable gain for central decoding with respect to similar methods available in the state of the art.
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Claudio Greco, M. Cagnazzo, Beatrice Pesquet-Popescu. H.264-Based Multiple Description Coding Using Motion Compensated Temporal Interpolation. 2010 International Workshop on Multimedia Signal Processing (MMSP'10), Oct 2010, Saint-Malo, France. pp.239-244. ⟨hal-00665631⟩

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