Multiple Description Video Coding for Umts
نویسندگان
چکیده
We consider the problem of efficient real time video transmission over UMTS channels. Such a problem involves good compression rates and effectiveness in presence of channel failures. We propose a balanced MDC scheme for 3D scan-based DWT video coding. This MDC includes an efficient bit allocation procedure that dispatches the source video redundancy between the different channels[1, 2]. We propose to adapt the redundancy between the descriptions according to the channel model and time-varying state (BER). We evaluate the performance of the proposed MDC video coder for two descriptors and present the results obtained for transmission over an UMTS channel. We compare the proposed method to Singular Description Coding (SDC) with a similar codec.
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