Huawei Technologies Co., Limited

Wenyi Qiu

Haitao Yang

Yi Luo

Zhuoyi Lv

Yu Xu

Dongsheng Wu

Fangzhou Zheng

A method and an apparatus for sending a VR image, to improve accuracy of an image compression ratio determined when a VR image is sent. The method includes: receiving, by a VR host, first motion information sent by a VR device, where the first motion information is used to indicate a current motion status of the VR device; determining, by the VR host, a first image compression ratio based on the motion information; compressing, by the VR host, a to-be-sent VR image based on the first image compression ratio; and sending, by the VR host, the compressed VR image to the VR device.

VR image sending method and apparatus

Methods, devices, apparatus, and systems for video encoding/decoding in which usage of a background picture is synchronized on an encoder side and a decoder side. In this solution, a background picture that is to be used as a reference picture is determined, background-picture indication information is used to indicate a time point from which the background picture is used as the reference picture, the encoder side encodes to-be-coded video pictures by using the background picture as the reference picture from the time point indicated by the background-picture indication information, to generate a primary bitstream, and the encoder side transmits a background-picture bitstream, the background-picture indication information, and the primary bitstream to the decoder side.

Video encoding/decoding method and device

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London, United Kingdom

Wenyi Qiu