Error concealment for 3D video transmission

In this paper, an error concealment method for transmission of 3D video in color+depth dual stream format is proposed. Exploiting the correlation between 2D color video and its corresponding depth information, recovery of the lost information of one kind (color/depth) can be achieved with the aid of received information from the other kind (depth/color), thus getting better concealed results than prior works. Assuming separate encoding of the color and depth sequences and frame losses, our proposed method has a PSNR gain of up to 0.68 dB in color and a PSNR gain of up to 2.42 dB in depth. For subjective visual quality, our algorithm is especially effective in retaining object boundaries, which is also helpful in stereo or multi-view synthesis for 3D video display.