(19)
(11) EP 4 168 917 A1

(12)

(43) Date of publication:
26.04.2023 Bulletin 2023/17

(21) Application number: 21786670.6

(22) Date of filing: 07.09.2021
(51) International Patent Classification (IPC): 
G06F 21/64(2013.01)
H04N 19/30(2014.01)
H04L 9/40(2022.01)
(52) Cooperative Patent Classification (CPC):
H04N 19/30; G06F 21/64; H04L 63/123
(86) International application number:
PCT/US2021/049255
(87) International publication number:
WO 2023/038617 (16.03.2023 Gazette 2023/11)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Google LLC
Mountain View, CA 94043 (US)

(72) Inventors:
  • LI, Yanru
    Mountain View, California 94043 (US)
  • DI BLAS, Andrea
    Mountain View, California 94043 (US)
  • BENOIT, Olivier Jean
    Mountain View, California 94043 (US)

(74) Representative: McGlashan, Graham Stewart 
Marks & Clerk LLP The Beacon 176 St Vincent Street
Glasgow G2 5SG
Glasgow G2 5SG (GB)

   


(54) ON-DEVICE IMAGE AUTHENTICATION