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(11)

EP 4 278 214 A1

(12)

(43) Date of publication: 22.11.2023 Bulletin 2023/47 (21) Application number: 22739211.5 (22) Date of filing: 12.01.2022

(51) International Patent Classification (IPC):  G01S 17/89(2020.01) G06V 20/10(2022.01) G01S 7/48(2006.01) G06T 17/05(2011.01) (52) Cooperative Patent Classification (CPC): G01S 17/89; G06V 20/588; G01S 17/931; G01S 7/4808 (86) International application number: PCT/FI2022/050023 (87) International publication number: WO 2022/152973 (21.07.2022 Gazette 2022/29)

(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: 13.01.2021 FI 20215035 (71) Applicant: Oy Arbonaut Ltd. 80130 Joensuu (FI)	(72) Inventor: LEPPÄNEN, Vesa 81120 Katajaranta (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)