(19)

(11)

EP 3 857 443 A1

(12)

(43) Date of publication: 04.08.2021 Bulletin 2021/31 (21) Application number: 19864631.7 (22) Date of filing: 24.09.2019

(51) International Patent Classification (IPC):  G06K 9/46(2006.01) G06T 7/162(2017.01) G06N 3/08(2006.01) (86) International application number: PCT/US2019/052593 (87) International publication number: WO 2020/068744 (02.04.2020 Gazette 2020/14)

(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: 24.09.2018 US 201816140052 (71) Applicant: Digitalglobe, Inc. Westminster CO 80234 (US)	(72) Inventor: ASCHENBECK, Michael Longmont, Colorado 80503 (US) (74) Representative: Cozens, Paul Dennis et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG The Shard 32 London Bridge Street London SE1 9SG (GB)