公开(公告)号：US20210063735A1

公开(公告)日：2021-03-04

申请号：US16631136

申请日：2019-08-01

Applicant: GOERTEK INC.

Inventor： Lei CAI ,  Tianrong DAI

IPC: G02B27/01 ,  G02B27/00 ,  G06T3/00 ,  G06T15/00

Abstract: A method and device for controlling image display in a VR system, and a VR head mounted device. The method comprises: monitoring a synchronization signal of an image frame in a VR system and acquiring an original 2D image; sampling sensor data at a preset time point before a next synchronization signal arrives to obtain latest pose information of a tracked object; converting the original 2D image into a corresponding 3D image, and calculating a motion vector corresponding to each pixel point of the 3D image according to the latest pose information and pose information corresponding to the 3D image; performing position transformation on pixel points of the original 2D image based on the motion vector, and filling at pixel points of a vacant area appearing after the position transformation to obtain a target frame; and triggering display of the target frame when the next synchronization signal arrives.

公开(公告)号：US20200183166A1

公开(公告)日：2020-06-11

申请号：US16638734

申请日：2018-07-24

Applicant: GOERTEK INC.

Inventor： Tianrong DAI ,  Xin ZHANG ,  Lei CAI

IPC: G02B27/01 ,  G02B27/00 ,  G06F3/01 ,  G06T3/00 ,  G06T15/20 ,  G06T5/00 ,  G06T19/00

Abstract: Provided are graphics rendering method and apparatus of virtual reality, which include according to an acquired spatial position information and direction information of a head-mounted virtual reality device, rendering in accordance with a first angular resolution to generate a first image corresponding to the spatial position information and the direction information; according to an acquired position information of a human eye fixation point on the display screen, rendering in accordance with a second angular resolution to generate a second image corresponding to the position information of the human eye fixation point; and synthesizing the first image and the second image into a third image. Since the first angular resolution and the second angular resolution adopted in the present disclosure are lower angular resolutions, when rendering a virtual reality image, the calculating amount of the GPU may be effectively reduced, and the image rendering efficiency may be improved.