Asymmetric coding scheme for 3D frame-compatible formats

Abstract

This paper proposes an asymmetric coding scheme for 3D frame-compatible formats. The aim is to improve the coding efficiency while maintaining the same visual performance. In the encoding process, prediction is performed between the reconstructed left samples and the original right samples. At the receiver, the samples of the left view and the residuals of the right view are decoded. However, the right views could be reconstructed in the up-sampling process by combining the reconstructed left samples and the residuals of the right view. Thus, no modification is required to the decoder. It is shown that the proposed method significantly reduces the bitrate compared to the symmetric coding scheme. Although the PSNR of the right view is about 1.5dB lower than the left view on average, the visual quality is considered tolerable due to the properties of the human visual system.