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EP-4708867-A3 - HANDLING OF BI-DIRECTIONAL OPTICAL FLOW (BIO) CODING TOOL FOR REFERENCE PICTURE RESAMPLING IN VIDEO CODING

EP4708867A3EP 4708867 A3EP4708867 A3EP 4708867A3EP-4708867-A3

Abstract

A method of decoding implemented by a video decoder including determining, by the video decoder, whether a resolution of a current picture being decoded is the same as the resolution of reference pictures identified by a reference picture list associated with the current picture; enabling, by the video decoder, bi-direction optical flow (BDOF) for a current block of the current picture when the resolution of the current picture is determined to be the same as the resolution of each of the reference pictures; disabling, by the video decoder, the BDOF for the current block of the current picture when the resolution of the current picture is determined to be different than the resolution of either of the reference pictures; and refining, by the video decoder, motion vectors corresponding to the current block using the BDOF when the BDOF is enabled for the current block.

Inventors

  • CHEN, JIANLE
  • HENDRY, Fnu
  • WANG, YE-KUI

Assignees

  • Huawei Technologies Co., Ltd.

Dates

Publication Date
20260506
Application Date
20200514