(19)

(11)

EP 4 581 568 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23758332.3 (22) Date of filing: 22.08.2023

(51) International Patent Classification (IPC):  G06T 7/00(2017.01) G06T 7/70(2017.01) (52) Cooperative Patent Classification (CPC): G06T 2207/20084; G06T 2207/20081; G06T 2207/30061; G06T 2207/10016; G06T 2207/10072; G06T 2207/10116; G06T 7/0012; G06T 7/70; G06T 2207/30084; G06T 2207/30056; G06T 2207/30016; G06T 2207/30012; G06T 2207/30101; G06T 2207/30096; G06T 2207/10132 (86) International application number: PCT/EP2023/072994 (87) International publication number: WO 2024/046807 (07.03.2024 Gazette 2024/10)

(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: 30.08.2022 US 202263402152 P (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: CHEN, Li 5656 AG Eindhoven (NL) CHEN, Alvin 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)