Field Coherence Based Error Concealment Method for H.264 Frame Loss

In this paper,an error concealment method is proposed to deal with frame losses happened in H.264 video transmission,which could be used in B and P frames.For P frames,this method needs to alter the decoding work flow to obtain information from one succeeding frame.After reference Motion Vector(MV) list is obtained by MV extrapolation,a field coherence based algorithm is used to select the best MV from the two neighboring frames in order to achieve the reconstruct MV.For B frames,the field coherence based algorithm is used to obtain the reconstruct MV from the succeeding P frame.Test results demonstrate that this method outperforms traditional methods both objectively and subjectively.The conclusion is that this method is efficient when dealing with frame loss cases in H.264 video transmission.