公开(公告)号：US11706274B2

公开(公告)日：2023-07-18

申请号：US16906287

申请日：2020-06-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Itsik Dvir ,  Amiram Allouche ,  Feng Li ,  Boris Sukholitko ,  Guy Almog ,  Guanhua Zhuang

IPC: H04L65/80 ,  H04L65/611 ,  H04N13/279 ,  G06T15/20 ,  G06T19/00 ,  H04N13/117 ,  G06F3/04815 ,  H04N5/262 ,  H04N21/426 ,  H04N21/81 ,  H04N23/698

CPC classification number: H04L65/611 ,  G06F3/04815 ,  G06T15/205 ,  G06T19/006 ,  H04L65/80 ,  H04N5/2628 ,  H04N13/117 ,  H04N13/279 ,  H04N21/42653 ,  H04N21/816 ,  H04N23/698

Abstract: A distribution device for delivering a selected viewport stream of virtual reality (VR) data to each of a plurality of client devices, comprising a processor configured for receiving a plurality of extended viewport streams of a VR video file each comprising a sequence of extended field of view (EFOV) frames created for a respective one of a plurality of overlapping segments constituting a sphere defined in the VR video file and delivering a selected one of the plurality of extended viewport streams to each of a plurality of client devices by performing the following for each of the client devices in each of a plurality of iterations: (1) receiving a current orientation data of the respective client device; (2) selecting one of the plurality of extended viewport streams according to the current orientation data; and (3) transmitting the selected extended viewport stream to the respective client device.