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This work presents an LDGM-based practical successive coding scheme for the multiple description (MD) problem for finite alphabet sources. The scheme, which targets the Zhang-Berger (ZB) rate-distortion region, is shown to be asymptotically optimal with joint typicality encoding, while as a practical encoding solution a message passing algorithm is adopted. We further discuss in more detail the application...
This work addresses practical multiple description coding for uniform binary sources in the no excess sum-rate case. For this case Zhang and Berger have shown that the EGC* region defined by El Gamal and Cover coincides with a portion of the boundary of the MD rate-distortion region, and proposed a construction of the auxiliary variables U and V to achieve this bound. We introduce a sequential coding...
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