Methods and Apparatus of Motion Shift in Overlapped Blocks Motion Compensation for Video Coding

Abstract

A method and apparatus for video coding using OBMC for IBC or IntraTMP coded blocks. According to the method, input data comprising a current block/subblock and a neighbouring block/subblock are received. Whether a target block/subblock is coded in IBC (Intra Block Copy) mode or IntraTMP (Intra Template Matching Prediction) mode is determined, wherein the target block/subblock corresponds to any one of the current block/subblock and the neighbouring block/subblock. In response to the target block/subblock being coded in the IBC mode or the IntraTMP mode, OBMC (Overlapped Block Motion Compensation) process is applied to a boundary region of the current block/subblock by generating samples in the boundary region using a target BV (Block Vector) of the target block/subblock coded in the IBC mode or a target motion shift of the target block/subblock coded in the IntraTMP mode.

Dependencies are inferred from the claim text.