(19)

(11)

EP 3 782 075 A1

(12)

(43) Date of publication: 24.02.2021 Bulletin 2021/08 (21) Application number: 19789101.3 (22) Date of filing: 14.02.2019

(51) International Patent Classification (IPC):  G06K 9/20(2006.01) G06K 9/62(2006.01) G06T 7/11(2017.01) G06K 9/00(2006.01) G06N 3/08(2006.01) G06T 7/292(2017.01) (86) International application number: PCT/US2019/018119 (87) International publication number: WO 2019/203921 (24.10.2019 Gazette 2019/43)

(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: 17.04.2018 US 201862659100 P (71) Applicant: HRL Laboratories, LLC Malibu, CA 90265 (US)	(72) Inventors: CHEN, Yang Westlake Village, CA 91361 (US) KHOSLA, Deepak Camarillo, CA 93012 (US) UHLENBROCK, Ryan, M. Camarillo, CA 93012 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)