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(11)

EP 4 771 812 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24776176.0 (22) Date of filing: 18.09.2024

(51) International Patent Classification (IPC):  H04L 25/02(2006.01) (52) Cooperative Patent Classification (CPC): H04L 25/0216; H04L 25/0224; H04L 25/0254; H04W 64/00; G06N 3/00; G01S 5/0278; G01S 5/0273; G01S 5/0218; G06N 3/08; G06N 3/045; G06N 3/084; G06N 20/00 (86) International application number: PCT/EP2024/076052 (87) International publication number: WO 2025/067978 (03.04.2025 Gazette 2025/14)

(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: GE KH MA MD TN (30) Priority: 28.09.2023 SE 2351124 (71) Applicants: Sony Group Corporation Tokyo 108-0075 (JP) Sony Europe B.V. Weybridge, Surrey KT13 0XW (GB) AL	(72) Inventors: PRIYANTO, Basuki Basingstoke, Hampshire RG22 4SB (GB) ZHANG, Yujie Basingstoke, Hampshire RG22 4SB (GB) (74) Representative: Aera A/S  Niels Hemmingsens Gade 10, 5th Floor 1153 Copenhagen K 1153 Copenhagen K (DK)