Method of Simplified View Synthesis Prediction in 3D Video Coding

摘要

A method of three-dimensional video encoding or decoding that uses unified depth data access for VSP process and VSP-based merging candidate derivation is disclosed. When the coding tool corresponds to VSP process or VSP-based merging candidate, embodiments of the present invention fetch the same reference depth data in a reference view. A reference depth block in a reference view corresponding to the current texture CU is fetched using a derived DV (disparity vector). For the VSP process, first VSP data for a current PU (prediction unit) within the current CU is generated based on the reference depth block. For the VSP-based merging candidate derivation, second VSP data for a VSP-coded spatial neighboring PU associated with a VSP spatial merging candidates is generated also based on the reference depth block.

主权项

1. A method of video coding for a three-dimensional or multi-view video encoding or decoding system, wherein the three-dimensional or multi-view video encoding or decoding system utilizes coding tools comprising VSP (view synthesis prediction) mode and Merge mode with a merging candidate list including one or more VSP spatial merging candidates, the method comprising:
receiving input data associated with a current texture CU (coding unit) in a dependent view; fetching a reference depth block in a reference view corresponding to the current texture CU using a derived DV (disparity vector); generating first VSP data for a current PU (prediction unit) within the current CU based on the reference depth block; generating second VSP data for one or more VSP-coded spatial neighboring PUs associated with said one or more VSP spatial merging candidates based on the reference depth block; and encoding or decoding the current PU using the first VSP data if the VSP mode is used, or encoding or decoding the current PU as the second VSP data if the Merge mode is used with the VSP merging candidate selected.