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Patent Searching and Data


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)
Application Number:
CN2019/119422
Publication Date:
August 06, 2020
Filing Date:
November 19, 2019
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G06F3/01
Foreign References:
CN108509873A2018-09-07
CN109857254A2019-06-07
CN108229392A2018-06-29
CN104809458A2015-07-29
US20030053663A12003-03-20
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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