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EP 4 559 197 A1

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(43) Date of publication: 28.05.2025 Bulletin 2025/22 (21) Application number: 23750702.5 (22) Date of filing: 24.07.2023

(51) International Patent Classification (IPC):  H04N 25/443(2023.01) G06F 3/044(2006.01) H04N 25/48(2023.01) H04N 25/46(2023.01) G06V 40/13(2022.01) (52) Cooperative Patent Classification (CPC): H04N 25/443; H04N 25/46; G06V 40/1306; G06F 3/0446; H04N 25/48; G06F 3/041661; G06F 3/0412 (86) International application number: PCT/GB2023/051943 (87) International publication number: WO 2024/018238 (25.01.2024 Gazette 2024/04)

(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 (30) Priority: 22.07.2022 GB 202210757 (71) Applicant: Touch Biometrix Limited St Asaph Wales LL17 0JD (GB)	(72) Inventors: VAN LIER, Wilhelmus St Asaph Wales LL17 0JD (GB) SAKAI, Toru St Asaph Wales LL17 0JD (GB) DERCKX, Henricus St Asaph Wales LL17 0JD (GB) (74) Representative: Mathys & Squire  The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)