(19)

(11)

EP 3 908 982 A1

(12)

(43) Date of publication: 17.11.2021 Bulletin 2021/46 (21) Application number: 19782857.7 (22) Date of filing: 20.09.2019

(51) International Patent Classification (IPC):  G06N 3/04(2006.01) G06N 3/08(2006.01) G06N 3/063(2006.01) (52) Cooperative Patent Classification (CPC): G06N 3/088; G06N 3/0472; G06N 3/049; G06N 3/063 (86) International application number: PCT/US2019/052275 (87) International publication number: WO 2020/146016 (16.07.2020 Gazette 2020/29)

(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: 09.01.2019 US 201962790296 P (71) Applicant: HRL Laboratories, LLC Malibu, CA 90265 (US)	(72) Inventors: CHANG, Hao-Yuan Los Angeles, CA 90024 (US) JAMMALAMADEKA, Aruna Agoura Hills, CA 91301 (US) STEPP, Nigel, D. Santa Monica, CA 90403 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)