(19)

(11)

EP 3 918 477 A1

(12)

(43) Date of publication: 08.12.2021 Bulletin 2021/49 (21) Application number: 20749721.5 (22) Date of filing: 31.01.2020

(51) International Patent Classification (IPC):  G06F 9/50(2006.01) G06F 13/16(2006.01) (52) Cooperative Patent Classification (CPC): G06N 3/063; G06N 3/08; G06N 3/04 (86) International application number: PCT/KR2020/001449 (87) International publication number: WO 2020/159269 (06.08.2020 Gazette 2020/32)

(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: 01.02.2019 US 201962799797 P 10.12.2019 KR 20190163982 (71) Applicant: LG Electronics Inc. Seoul 07336 (KR)	(72) Inventors: LEE, Byoung Joo Seoul 06772 (KR) WOO, Je Min Seoul 06772 (KR) LEE, Jin Jong Seoul 06772 (KR) JUN, Jung Sig Seoul 06772 (KR) (74) Representative: Frenkel, Matthias Alexander  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstraße 2 81541 München 81541 München (DE)