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(11)

EP 4 577 973 A1

(12)

(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23749223.6 (22) Date of filing: 10.07.2023

(51) International Patent Classification (IPC):  G06T 3/40(2024.01) G06T 15/50(2011.01) G06T 5/00(2024.01) (52) Cooperative Patent Classification (CPC): G06T 3/4053; G06T 2200/12; G06T 15/503 (86) International application number: PCT/US2023/027205 (87) International publication number: WO 2024/043984 (29.02.2024 Gazette 2024/09)

(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: 23.08.2022 CN 202211014245 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052 (US)	(72) Inventors: GUO, Yuxiao Redmond, WA 98052-6399 (US) CHEN, Guojun Redmond, WA 98052-6399 (US) DONG, Yue Redmond, WA 98052-6399 (US) TONG, Xin Redmond, WA 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)