(19)

(11)

EP 4 226 324 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21790351.7 (22) Date of filing: 07.10.2021

(51) International Patent Classification (IPC):  G06T 7/571(2017.01) (52) Cooperative Patent Classification (CPC): G06T 7/571; G06T 2207/10056 (86) International application number: PCT/EP2021/077797 (87) International publication number: WO 2022/074171 (14.04.2022 Gazette 2022/15)

(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 (30) Priority: 07.10.2020 GB 202015901 (71) Applicant: Ash Technologies Limited County Kildare (IE)	(72) Inventors: RYAN, Louis Naas,, Co. Kildare (IE) EGAN, Stephen Naas,, Co. Kildare (IE) (74) Representative: FRKelly  27 Clyde Road Dublin D04 F838 Dublin D04 F838 (IE)