公开(公告)号：US20190320198A1

公开(公告)日：2019-10-17

申请号：US16453863

申请日：2019-06-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yin ZHAO ,  Peiyun DI ,  Lu YU

IPC: H04N19/577 ,  H04N19/70 ,  H04N19/573

Abstract: This disclosure provides an image encoding method and apparatus and an image decoding method and apparatus. For a to-be-encoded image in a to-be-encoded video sequence, a reference image may be selected from at least one knowledge-base image in a knowledge-base image set. In addition, bitstream data of the to-be-encoded image includes identification information used to identify the reference image of the to-be-encoded image.