Performance of a Distributed Video Codec Behaviours in Presence of Transmission Errors

Distributed Video Coding (DVC) is one of the most important and active research fields in video coding. The basic idea underlying DVC is to exploit the temporal correlation among frames directly in the decoding phase. The main properties of a distributed video coding system is that the computational load could in principle be shifted towards the decoder, with respect to a traditional video coding system. Anyway, the distributed coding approach has other interesting properties. In particular, one of the most promising benefits derived by the use of DVC is its natural error resilience to channel errors. Nevertheless, very few results on the actual error resilience properties of distributed video coding systems have been presented in literature. In this contribution we present a detailed analysis of the error resilience properties of a video coding system based on Stanford architecture. We analyze the behavior of such codec in presence of channel error, first focusing on the effect of such errors on the different parts of the encoded stream, and then making a preliminary comparison with H264.