FMO slice group maps using spatial and temporal indicators for H.264 wireless video transmission

We present a new method, the STI-FMO, that combines spatial and temporal indicators of MB importance to generate slice group maps for H.264 wireless video transmission. Starting from an initial MB-to-slice group mapping we propose a distortion-from-propagation measure that can be used to generate a slice group map that offers less distortion than the initial map from an error concealment point of view. The new method exploits the location of the MB within a slice group, the distortion measure of the MB in the same slice and the probability of error of a MB estimated from the bit-count information to compute a distortion-from-propagation measure. The new method considers the effect of the MB´s location within a slice group as added information to assess its importance. Experiments indicate the effectiveness of the proposed method.