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EP 3 513 566 A1

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(43) Date of publication: 24.07.2019 Bulletin 2019/30 (21) Application number: 17851597.9 (22) Date of filing: 15.09.2017

(51) International Patent Classification (IPC):  H04N 21/466(2011.01) H04N 21/434(2011.01) H04N 21/25(2011.01) H04N 21/45(2011.01) H04N 21/44(2011.01) H04N 21/234(2011.01) H04N 21/4223(2011.01) G06N 99/00(2019.01) (86) International application number: PCT/US2017/051768 (87) International publication number: WO 2018/053257 (22.03.2018 Gazette 2018/12)

(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: MA MD (30) Priority: 16.09.2016 US 201662395886 P 04.05.2017 US 201715586379 14.07.2017 US 201762532744 P (71) Applicant: Second Spectrum, Inc. Los Angeles, California 90012 (US)	(72) Inventors: CHANG, Yu-Han South Pasadena, California 91030 (US) MAHESWARAN, Rajiv Los Angeles, California 90012 (US) SU, Jeffrey Wayne South Pasadena, California 91030 (US) HOLLINGSWORTH, Noel Sunnyvale, California 94089 (US) (74) Representative: Findlay, Alice Rosemary  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)