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(11)

EP 3 850 533 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 18785569.7 (22) Date of filing: 05.10.2018

(51) International Patent Classification (IPC):  G06K 9/00(2006.01) G06K 9/62(2006.01) (86) International application number: PCT/EP2018/077204 (87) International publication number: WO 2020/069759 (09.04.2020 Gazette 2020/15)

(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) Inventors: LOWE, Christopher 80992 Munich (DE) HE, Sidan 80992 Munich (DE) WU, Gengshi 80992 Munich (DE) (74) Representative: Maiwald Patent- und Rechtsanwaltsgesellschaft mbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)