(19)
(11) EP 4 771 599 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 23950223.0

(22) Date of filing: 31.08.2023
(51) International Patent Classification (IPC): 
G06V 10/44(2022.01)
(52) Cooperative Patent Classification (CPC):
G06V 10/44; G06V 20/64; G06V 20/653
(86) International application number:
PCT/CN2023/116280
(87) International publication number:
WO 2025/043640 (06.03.2025 Gazette 2025/10)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: ABB SCHWEIZ AG
5400 Baden (CH)

(72) Inventors:
  • CHEN, Cheng
    Shanghai 200120 (CN)
  • CHANG, Kun
    Shanghai 201318 (CN)
  • MAO, Lei
    Shanghai 201318 (CN)

(74) Representative: Zimmermann & Partner Patentanwälte mbB 
P.O. Box 330 920
80069 München
80069 München (DE)

   


(54) METHOD FOR FEATURE SURFACE IDENTIFICATION, ELECTRONIC DEVICE, AND COMPUTER READABLE STORAGE MEDIUM