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EP 3 987 774 A1

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(43) Date of publication: 27.04.2022 Bulletin 2022/17 (21) Application number: 20826896.1 (22) Date of filing: 18.05.2020

(51) International Patent Classification (IPC):  H04N 13/161(2018.01) H04N 13/178(2018.01) G06T 15/04(2011.01) G06T 15/50(2011.01) H04N 13/268(2018.01) H04N 19/597(2014.01) G06T 9/00(2006.01) (52) Cooperative Patent Classification (CPC): H04N 13/161; H04N 13/178; H04N 19/597; G06T 9/001; H04N 13/282 (86) International application number: PCT/FI2020/050331 (87) International publication number: WO 2020/254719 (24.12.2020 Gazette 2020/52)

(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: 20.06.2019 FI 20195543 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: SCHWARZ, Sebastian 82008 Unterhaching (DE) ROIMELA, Kimmo 33710 Tampere (FI) PESONEN, Mika 33800 Tampere (FI) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)