Title:
PALPEBRAL FISSURE HEIGHT MEASUREMENT METHOD AND APPARATUS, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2024/037587
Kind Code:
A1
Abstract:
The present application relates to a palpebral fissure height measurement method and apparatus, and a storage medium. The method comprises: acquiring a first eye position image in front of eyeballs by photography when a user looks straight ahead in a near-infrared light field of 700-1,200 nm; segmenting a background, irises, sclerae, and pupils from the first eye position image by means of neural network training; extracting pupil centers from the segmented pupils, and obtaining a pupil center line in a vertical direction; and solving for the distance between junction points of the sclerae, the irises or the pupils and the background on the pupil center line, and calculating a palpebral fissure height by using the distance.
Inventors:
WANG WEIQING (CN)
NING GUANG (CN)
SHEN LIYUN (CN)
TIAN CHAONAN (CN)
DU DONG (CN)
NING GUANG (CN)
SHEN LIYUN (CN)
TIAN CHAONAN (CN)
DU DONG (CN)
Application Number:
PCT/CN2023/113527
Publication Date:
February 22, 2024
Filing Date:
August 17, 2023
Export Citation:
Assignee:
SHANGHAI INST OF ENDOCRINE AND METABOLIC DISEASES (CN)
SHANGHAI BAIYI HEALTHCARE TECH CO LTD (CN)
SHANGHAI BAIYI HEALTHCARE TECH CO LTD (CN)
International Classes:
G06T7/00; G06T7/11; G06N3/0464; G06V10/764; G06V10/82
Foreign References:
| CN115908237A | 2023-04-04 | |||
| CN111938567A | 2020-11-17 | |||
| CN210612103U | 2020-05-26 | |||
| US20210298595A1 | 2021-09-30 | |||
| CN104657722A | 2015-05-27 | |||
| CN110705468A | 2020-01-17 | |||
| CN111127484A | 2020-05-08 |
Attorney, Agent or Firm:
SSC INTELLECTUAL PROPERTY FIRM (CN)
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