(19)

(11)

EP 4 070 231 A1

(12)

(43) Date of publication: 12.10.2022 Bulletin 2022/41 (21) Application number: 20816187.7 (22) Date of filing: 03.12.2020

(51) International Patent Classification (IPC):  G06K 9/00(2022.01) G06K 9/46(2006.01) G06K 9/20(2006.01) G06T 7/00(2017.01) (52) Cooperative Patent Classification (CPC): G06T 7/0004; G06T 2207/30156; G06V 10/145; G06V 20/52; G06V 10/60 (86) International application number: PCT/EP2020/084394 (87) International publication number: WO 2021/110803 (10.06.2021 Gazette 2021/23)

(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: 06.12.2019 EP 19214041 (71) Applicant: Degould Limited Exeter EX2 7XE (GB)	(72) Inventor: GOULD, Daniel George Exeter Devon EX2 7XE (GB) (74) Representative: Latham, Stuart Alexander  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)