(19)

(11)

EP 4 562 586 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23844701.5 (22) Date of filing: 28.07.2023

(51) International Patent Classification (IPC):  G06T 1/00(2006.01) G02B 21/06(2006.01) (52) Cooperative Patent Classification (CPC): G02B 21/367 (86) International application number: PCT/AU2023/050712 (87) International publication number: WO 2024/020655 (01.02.2024 Gazette 2024/05)

(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: 28.07.2022 AU 2022902123 (71) Applicant: Australian National University Acton, ACT 2601 (AU)	(72) Inventors: LEE, Woei, Ming Canberra, Australian Capital Territory 2601 (AU) XU, Tienan Canberra, Australian Capital Territory 2601 (AU) (74) Representative: Zacco Sweden AB  P.O. Box 5581 Löjtnantsgatan 21 114 85 Stockholm 114 85 Stockholm (SE)