Compressed video streams are very vulnerable to transmission errors. Channel errors

including bit errors and packet loss

not only corrupt the current frame

but also propagate to subsequent frames. A novel multi directional interpolation scheme based on least squares support vector machines (LSSVM) error correction is proposed to get more satisfying error concealment results. At first

a multi directional interpolation for spatial error concealment is used to restore the missing block. Then LSSVM is trained with the interpolation error distribution of missing block is obtained from large local neighborhood of surrounding pixels of the source image. At last

the more accurate result frame is obtained by adding the estimated error distribution to the restored frame. Experimental results show that the visual quality and performance of the proposed method is improved compared to both nearest pixel linear interpolation and multi directional interpolation.