(19)

(11)

EP 4 042 380 A1

(12)

(43) Date of publication: 17.08.2022 Bulletin 2022/33 (21) Application number: 19794440.8 (22) Date of filing: 15.10.2019

(51) International Patent Classification (IPC):  G06T 15/60(2006.01) (52) Cooperative Patent Classification (CPC): G06T 15/60 (86) International application number: PCT/EP2019/078018 (87) International publication number: WO 2021/073729 (22.04.2021 Gazette 2021/16)

(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 (71) Applicant: HUAWEI TECHNOLOGIES CO., LTD. Shenzhen, Guangdong 518129 (CN)	(72) Inventor: LIU, Baoquan 80992 München (DE) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)