(19)

(11)

EP 3 973 709 A2

(12)

(88) Date of publication A3: 04.03.2021 (43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20810687.2 (22) Date of filing: 15.05.2020

(51) International Patent Classification (IPC):  H04N 19/593(2014.01) H04N 19/119(2014.01) H04N 19/176(2014.01) G06T 9/00(2006.01) H04N 19/105(2014.01) H04N 19/136(2014.01) H04N 19/11(2014.01) H04N 19/159(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/593; H04N 19/423; H04N 19/176 (86) International application number: PCT/FI2020/050327 (87) International publication number: WO 2020/234512 (26.11.2020 Gazette 2020/48)

(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: 22.05.2019 FI 20195421 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventor: GHAZNAVI YOUVALARI, Ramin 33900 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)