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(11)

EP 4 309 358 A1

(12)

(43) Date of publication: 24.01.2024 Bulletin 2024/04 (21) Application number: 22712261.1 (22) Date of filing: 22.02.2022

(51) International Patent Classification (IPC):  H04N 5/232(2006.01) A61B 1/04(2006.01) G02B 27/00(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/0075; A61B 1/00096; A61B 1/00186; A61B 1/00009; G02B 23/2407; G02B 23/2484; G02B 27/28; G02B 5/3025; H04N 23/67 (86) International application number: PCT/EP2022/054359 (87) International publication number: WO 2022/194497 (22.09.2022 Gazette 2022/38)

(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 (30) Priority: 15.03.2021 EP 21162644 (71) Applicants: Sony Group Corporation Tokyo 108-0075 (JP) Sony Europe B.V. Weybridge, Surrey KT13 0XW (GB) AL	(72) Inventors: SPRINGER, Paul Basingstoke Hampshire RG22 4SB (GB) EMMERICH, Thimo Basingstoke Hampshire RG22 4SB (GB) FACIUS, Zoltan Basingstoke Hampshire RG22 4SB (GB) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)