(19)

(11)

EP 4 244 815 A2

(12)

(88) Date of publication A3: 21.07.2022 (43) Date of publication: 20.09.2023 Bulletin 2023/38 (21) Application number: 21835452.0 (22) Date of filing: 12.11.2021

(51) International Patent Classification (IPC):  G06T 9/00(2006.01) H04N 19/597(2014.01) G06T 19/00(2011.01) (52) Cooperative Patent Classification (CPC): G06T 9/001; G06T 9/002; G06T 9/004; G06T 19/00; H04N 19/597; G06T 2210/56 (86) International application number: PCT/US2021/059074 (87) International publication number: WO 2022/104012 (19.05.2022 Gazette 2022/20)

(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: 12.11.2020 US 202063113129 P (71) Applicant: InterDigital Patent Holdings, Inc. Wilmington, DE 19809 (US)	(72) Inventors: WANG, Haiyan New York, New York 10031 (US) PANG, Jiahao Princeton, New Jersey 08540 (US) LODHI, Muhammad Asad New York, New York 10120 (US) TIAN, Dong Princeton, New Jersey 08540 (US) (74) Representative: Interdigital  Immeuble ZEN 2 845 A, avenue des Champs Blancs 35510 Cesson-Sévigné 35510 Cesson-Sévigné (FR)