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(11)

EP 4 449 181 A1

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(43) Date of publication: 23.10.2024 Bulletin 2024/43 (21) Application number: 22838791.6 (22) Date of filing: 15.12.2022

(51) International Patent Classification (IPC):  G02B 21/24(2006.01) G02B 21/36(2006.01) G06V 20/69(2022.01) G01N 15/10(2024.01) G01N 15/06(2024.01) G06T 7/00(2017.01) G06N 3/02(2006.01) G01N 15/14(2024.01) (52) Cooperative Patent Classification (CPC): G02B 21/367; G02B 21/241; G01N 15/1434; G01N 2015/1452; G01N 2015/1006; G06N 3/0464; G06N 3/084; G06V 20/693; G06V 10/82; G06V 10/776 (86) International application number: PCT/EP2022/086200 (87) International publication number: WO 2023/111204 (22.06.2023 Gazette 2023/25)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 16.12.2021 EP 21215265 (71) Applicant: Enaiblers AB 751 83 Uppsala (SE)	(72) Inventors: WARD, Peter Kenneth 753 23 Uppsala (SE) ZUMPE, Rainer Matthias Sebastian 753 23 Uppsala (SE) TYNONG, August Erik Olof 753 23 Uppsala (SE) LARSSON, Joel 753 23 Uppsala (SE) (74) Representative: Brann AB  P.O. Box 3690 Sveavägen 63 103 59 Stockholm 103 59 Stockholm (SE)