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(11)

EP 4 771 588 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24755610.3 (22) Date of filing: 20.08.2024

(51) International Patent Classification (IPC):  G06T 7/55(2017.01) (52) Cooperative Patent Classification (CPC): G06T 7/55; G06T 2207/20084; G06T 2207/20044; G06T 2207/30196 (86) International application number: PCT/EP2024/073253 (87) International publication number: WO 2025/061393 (27.03.2025 Gazette 2025/13)

(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: 01.09.2023 WO PCT/CN2023/116546 18.10.2023 EP 23204253 (71) Applicant: Koninklijke Philips N.V. 5656 AE Eindhoven (NL)	(72) Inventors: LU, Yao 5656 AG Eindhoven (NL) VAREKAMP, Christiaan 5656 AG Eindhoven (NL) CHEN, Hongxin 5656 AG Eindhoven (NL) GU, Hai 5656 AG Eindhoven (NL) YANG, Ming 5656 AG Eindhoven (NL) MA, Fulong 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 34 5656 AE Eindhoven 5656 AE Eindhoven (NL)