Title:
PUPIL POSITIONING METHOD AND APPARATUS, VR/AR APPARATUS AND COMPUTER READABLE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/155792
Kind Code:
A1
Abstract:
The present disclosure relates to a pupil positioning method. The pupil positioning method may include: obtaining an eye image under illumination of a light source; determining a first internal point in a pupil of the eye image; calculating gradient changes of pixel points along a straight line starting from the first internal point toward outside of the pupil; determining a plurality of edge points at an edge of the pupil based on the gradient changes of the pixel points along the straight line; and performing ellipse fitting on the edge points to obtain a pupil center.
Inventors:
SUN JIANKANG (CN)
ZHANG HAO (CN)
CHEN LILI (CN)
XUE HONGZHEN (CN)
MA FUQIANG (CN)
CHU MINGLEI (CN)
LI XI (CN)
ZHANG HAO (CN)
CHEN LILI (CN)
XUE HONGZHEN (CN)
MA FUQIANG (CN)
CHU MINGLEI (CN)
LI XI (CN)
Application Number:
PCT/CN2019/119422
Publication Date:
August 06, 2020
Filing Date:
November 19, 2019
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G06F3/01
Foreign References:
| CN108509873A | 2018-09-07 | |||
| CN109857254A | 2019-06-07 | |||
| CN108229392A | 2018-06-29 | |||
| CN104809458A | 2015-07-29 | |||
| US20030053663A1 | 2003-03-20 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
Download PDF: