Joint source-channel coding/decoding of 3D-ESCOT bitstreams

Manel Abid (1) , Michel Kieffer (1, 2) , Beatrice Pesquet-Popescu (1, 3)

1 LTCI - Laboratoire Traitement et Communication de l'Information
2 L2S - Laboratoire des signaux et systèmes
3 TSI - Département Traitement du Signal et des Images

Joint source-channel decoding (JSCD) exploits residual redundancy in compressed bitstreams to improve the robustness to transmission errors of multimedia coding schemes. This paper proposes an architecture to introduce some additional side information in compressed streams to help JSCD. This architecture exploits a reference decoder already present or introduced at the encoder side. An application to the robust decoding of 3D-ESCOT encoded bitstreams generated within the Vidwav video coder is presented. The layered bitstream generated by this encoder allows SNR scalability, and moreover, when processed by a JSCD, provides increased robustness to transmission errors compared with a single layered bitstream.

Domaines: Traitement du signal et de l'image [eess.SP]; Réseaux et télécommunications [cs.NI]; Traitement du signal et de l'image [eess.SP]

Manel Abid, Michel Kieffer, Beatrice Pesquet-Popescu. Joint source-channel coding/decoding of 3D-ESCOT bitstreams. International Workshop on Multimedia Signal Processing, Oct 2010, Saint Malo, France. pp.4. ⟨hal-00549230⟩