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(11)

EP 4 480 176 A1

(12)

(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 23701264.6 (22) Date of filing: 17.01.2023

(51) International Patent Classification (IPC):  H04N 19/13(2014.01) G06N 3/047(2023.01) H04N 19/17(2014.01) G06N 3/0464(2023.01) H04N 19/147(2014.01) H04N 19/91(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/13; H04N 19/147; H04N 19/17; H04N 19/91; G06N 3/047; G06N 3/0455; G06N 3/088; G06N 20/00 (86) International application number: PCT/EP2023/050956 (87) International publication number: WO 2023/151903 (17.08.2023 Gazette 2023/33)

(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: 14.02.2022 US 202263309737 P (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: ZHANG, Honglei 33710 Tampere (FI) CRICRÌ, Francesco 33100 Tampere (FI) ZOU, Nannan 33720 Tampere (FI) REZAZADEGAN TAVAKOLI, Hamed 02170 Espoo (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)