INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date ~ill IIIIIIIIII1101010IIIIIIIIII o ollio1 0101110110111110 011 (10) International Publication Number WO 2019/027896 Al 07 February 2019 (07.02.2019) WIP0 I PCT (51) International Patent Classification: TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, GOOK 9/00 (2006.01) KM, ML, MR, NE, SN, TD, TG). (21) International Application Number: PCT/US2018/044370 (22) International Filing Date: 30 July 2018 (30.07.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201710637558.4 31 July 2017 (31.07.2017) CN (71) Applicant: ALIBABA GROUP HOLDING LIMITED [ /US]; Fourth Floor, One Capital Place, P.O. Box 847, George Town (KY). (72) Inventors: ZHAI, Fen; c/o Ants Patent Team, 17F Build- ing B, Huanglong Times Plaza, No. 18 Wantang Road, Hangzhou, 310099 (CN). GU, Chunlei; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No. 18 Wantang Road, Hangzhou, 310099 (CN). LU, Lei; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No. 18 Wantang Road, Hangzhou, 310099 (CN). LIU, Yanghui; c/o Ants Patent Team, 17F Building B, Huan- glong Times Plaza, No. 18 Wantang Road, Hangzhou, 310099 (CN). Published: — with international search report (Art. 21(3)) (74) Agent: STALFORD, Terry, J. et al.; Fish & Richardson P.C., P.O. Box 1022, Minneapolis, MN 55440-1022 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, 1-1 MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 01 00 N (54) Title: BIOMETRIC FEATURE DATABASE ESTABLISHING METHOD AND APPARATUS (57) : A usage frequency attribute of each biometric feature in a biometric feature database is obtained. An indication is 01 generated of matching success frequency of the biometric feature based on the usage frequency attribute. The biometric features are 0 arranged in descending order of matching success frequency based on the usage frequency attribute. Recognition of a user is performed N based on one of the biometric features having a higher frequency.
BIOMETRIC FEATURE DATABASE ESTABLISHING METHOD AND APPARATUS