(19)

(11)

EP 3 994 625 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20835330.0 (22) Date of filing: 10.06.2020

(51) International Patent Classification (IPC):  G06N 3/08(2006.01) G06T 9/00(2006.01) H04N 19/102(2014.01) G06N 20/00(2019.01) H04N 19/192(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/103; H04N 19/162; H04N 19/146; H04N 19/174; G06T 9/002; G06N 3/084; G06N 3/0454; G06N 3/0445 (86) International application number: PCT/FI2020/050403 (87) International publication number: WO 2021/001594 (07.01.2021 Gazette 2021/01)

(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: 03.07.2019 FI 20195605 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: AYTEKIN, Caglar 33580 Tampere (FI) CRICRI, Francesco 33100 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)