公开(公告)号：US20220210469A1

公开(公告)日：2022-06-30

申请号：US17698405

申请日：2022-03-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xusheng ZHOU ,  Yufeng LU

IPC: H04N19/58 ,  H04N19/184 ,  H04N7/14 ,  H04N19/159

Abstract: Embodiments of this application provide a method for transmitting a video picture, a device for sending a video picture, and a video call method and device, where the video picture includes a plurality of video frames. According to the method for transmitting a video picture, the plurality of video frames are encoded to obtain an encoded bitstream, where the bitstream includes at least information indicating inter-frame reference relationships. In this application, each of N frames preceding to a current frame references a forward LTR frame that has a shortest temporal distance to each of the preceding N frames, and the forward LTR frame is an encoded video frame marked by a transmit end device as an LTR frame.

公开(公告)号：US20240430411A1

公开(公告)日：2024-12-26

申请号：US18829487

申请日：2024-09-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Gong HU ,  Yufeng LU ,  Cheng WANG ,  Peiyun DI

IPC: H04N19/105 ,  H04N19/159 ,  H04N19/172

Abstract: Embodiments of this application provide an encoding method, a decoding method, and an electronic device. The method includes: obtaining a current frame; obtaining a reconstructed picture corresponding to a reference frame of the current frame from an external reference list of an encoder, where the reference frame of the current frame is a frame encoded by the encoder, and the external reference list is independent of the encoder; performing, by the encoder, intra coding on the reconstructed picture; and performing, by the encoder, inter coding on the current frame based on a result of the intra coding, to obtain a bitstream corresponding to the current frame. In this way, the encoder may flexibly select a reference frame from the external reference list for encoding, thereby implementing cross-frame reference or cross-resolution reference, and improving flexibility of reference frame management of the encoder.