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EP 3 756 018 A1

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(43) Date of publication: 30.12.2020 Bulletin 2020/53 (21) Application number: 19753865.5 (22) Date of filing: 14.02.2019

(51) International Patent Classification (IPC):  G01R 23/17(2006.01) G06T 7/70(2017.01) G01R 23/18(2006.01) G06N 3/02(2006.01) (86) International application number: PCT/US2019/018040 (87) International publication number: WO 2019/161076 (22.08.2019 Gazette 2019/34)

(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: 19.02.2018 US 201862632276 P 24.08.2018 US 201862722420 P 05.11.2018 US 201816180690 13.02.2019 US 201916274933 (71) Applicant: Digital Global Systems, Inc. Tysons Corner, VA 22102 (US)

(72) Inventor: KLEINBECK, David William Lees Summit, Missouri 64086 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)