(19)

(11)

EP 4 490 709 A1

(12)

(43) Date of publication: 15.01.2025 Bulletin 2025/03 (21) Application number: 23709844.7 (22) Date of filing: 08.02.2023

(51) International Patent Classification (IPC):  G06V 40/16(2022.01) (52) Cooperative Patent Classification (CPC): G06V 40/171; G06V 40/174; G06V 10/755; G06V 10/82 (86) International application number: PCT/US2023/012557 (87) International publication number: WO 2023/172369 (14.09.2023 Gazette 2023/37)

(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: 07.03.2022 US 202263317436 P 28.06.2022 US 202217852175 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)

(72) Inventors: VALENTIN, Julien Pascal Christophe Redmond, Washington 98052-6399 (US) WOOD, Erroll William Redmond, Washington 98052-6399 (US) CASHMAN, Thomas Joseph Redmond, Washington 98052-6399 (US) DE LA GORCE, Martin Redmond, Washington 98052-6399 (US) BALTRUSAITIS, Tadas Redmond, Washington 98052-6399 (US) WILDE, Daniel Stephen Redmond, Washington 98052-6399 (US) SHEN, Jingjing Redmond, Washington 98052-6399 (US) JOHNSON, Matthew Alastair Redmond, Washington 98052-6399 (US) HEWITT, Charles Thomas Redmond, Washington 98052-6399 (US) MILOSAVLJEVIC, Nikola Redmond, Washington 98052-6399 (US) GARBIN, Stephan Joachim Redmond, Washington 98052-6399 (US) SHARP, Toby Redmond, Washington 98052-6399 (US) STOJILJKOVIC, Ivan Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)