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EP 4 114 272 A1

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(43) Date of publication: 11.01.2023 Bulletin 2023/02 (21) Application number: 21707653.8 (22) Date of filing: 22.02.2021

(51) International Patent Classification (IPC):  A61B 8/08(2006.01) G01S 7/539(2006.01) G03B 42/06(2021.01) G01S 7/52(2006.01) G01S 15/89(2006.01) G06T 19/00(2011.01) (52) Cooperative Patent Classification (CPC): A61B 8/145; A61B 8/483; A61B 8/523; G01S 15/8993; G06T 19/003; G06T 2210/41; G01S 7/52073 (86) International application number: PCT/EP2021/054251 (87) International publication number: WO 2021/175629 (10.09.2021 Gazette 2021/36)

(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: 05.03.2020 US 202062985536 P (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)

(72) Inventors: ROUNDHILL, David Nigel 5656 AE Eindhoven (NL) KLINDER, Tobias 5656 AE Eindhoven (NL) SCHMIDT-RICHBERG, Alexander 5656 AE Eindhoven (NL) LENGA, Matthias 5656 AE Eindhoven (NL) ORASANU, Eliza Teodora 5656 AE Eindhoven (NL) LORENZ, Cristian 5656 AE Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)