Error concealment scheme implemented in H.264/AVC

Video transmission over noisy channels, like wireless channels, leads to errors on video. Effect of information loss is worse in case of transmission of compressed video. With growing interest in compressed video transmission over such environments, error concealment is becoming more important. In this paper we describe error concealment scheme which uses weighted pixel averaging to obtain each pixel value of lost macroblock in intra coded pictures and also method used for error concealment in inter coded pictures. This method uses boundary matching approach. We focus on performance evaluation of the error concealment technique implemented in JM reference software whereby we used extended profile in encoder.