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EP 4 147 445 A1

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(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21729123.6 (22) Date of filing: 07.05.2021

(51) International Patent Classification (IPC):  H04N 5/335(2006.01) G06K 9/46(2006.01) G06N 3/063(2006.01) H04N 5/369(2011.01) G06N 3/04(2006.01) (52) Cooperative Patent Classification (CPC): G06N 3/08; G06F 3/013; G06F 3/012; G06F 3/017; G06N 3/049; G06V 20/20; G06V 10/94; G06V 10/147; G06V 10/454; G06V 10/82; H04N 25/00; H04N 25/79; G06N 3/065; G06N 3/048; G06N 3/045; G06F 18/22 (86) International application number: PCT/US2021/031201 (87) International publication number: WO 2021/226411 (11.11.2021 Gazette 2021/45)

(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: 07.05.2020 US 202063021476 P 12.06.2020 US 202063038636 P 06.05.2021 US 202117313884 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)

(72) Inventors: LIU, Xinqiao Menlo Park, California 94025 (US) DE SALVO, Barbara Menlo Park, California 94025 (US) REYSERHOVE, Hans Menlo Park, California 94025 (US) LI, Ziyun Menlo Park, California 94025 (US) KHAN, Asif Imtiaz Menlo Park, California 94025 (US) SARWAR, Syed Shakib Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)