Disparity vector prediction in video coding

摘要

Techniques are described for determining a disparity vector for a current block based on disparity motion vectors of one or more spatially and temporally neighboring regions to a current block to be predicted. The spatially and temporally neighboring regions include one or a plurality of blocks, and the disparity motion vector represents a single vector in one reference picture list for the plurality of blocks within the spatially or temporally neighboring region. The determined disparity vector could be used to coding tools which utilize the information between different views such as merge mode, advanced motion vector prediction (AMVP) mode, inter-view motion prediction, and inter-view residual prediction.

主权项

1. A method for decoding video data, the method comprising:
determining that a motion vector for a region in a picture in a first view of a plurality of views of the video data is a disparity motion vector, wherein the region neighbors a current block to be predicted, the region includes one or more blocks, the motion vector for the region represents a single motion vector for the one or more blocks for one reference picture list, and the motion vector for the region refers to a picture in a second view of the video data that is different than the first view of the video data; responsive to determining that the motion vector for the region in the picture is the disparity motion vector, determining that the disparity motion vector for the region is a disparity vector for the current block of the video data; and inter-prediction decoding the current block, wherein the decoding uses the disparity motion vector for the region as the disparity vector for the current block.