SG11201906315TA - Image recognition method and apparatus based on augmented reality - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 19 July 2018 (19.07.2018) WI PO I PCT Hu omit VIII OH olo offinionimoilowo Hs (10) International Publication Number WO 2018/132590 Al 101 102 103 (51) International Patent Classification: GOOK 9 / 2 0 (2006.01) GOOK 9 / 8 0 (2006.01) GOOK 9 / 4 6 (2006.01) GOOF 17/18 (2006.01) (21) International Application Number: PCT/US2018/013344 (22) International Filing Date: 11 January 2018 (11.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201710018395.1 11 January 2017 (11.01.2017) CN 15/864,572 08 January 2018 (08.01.2018) US (71) Applicant: ALIBABA GROUP HOLDING LIMITED [ /US]; Fourth Floor, One Capital Place, P.O. Box 847, George Town (KY). (72) Inventors: WANG, Linqing; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No.18 Wantang Road, Hangzhou, 310099 (CN). ZENG, Xiaodong; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No.18 Wantang Road, Hangzhou, 310099 (CN). ZHANG, Hong; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No.18 Wantang Road, Hangzhou, 310099 (CN). LIN, Feng; c/o Ants Patent Team, 17F Building B, Huanglong Times Plaza, No.18 Wantang Road, Hangzhou, 310099 (CN). (74) Agent: STALFORD, Terry, J.; 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, (54) Title: IMAGE RECOGNITION METHOD AND APPARATUS BASED ON AUGMENTED REALITY Gather user information uploaded by an augmented reality client terminal v Screen out picture feature samples associated with the user information from a preset picture feature sample library • Generate, on the basis of the screened-out picture feature samples, a picture feature sample sub-library corresponding to the user information, and push the picture feature sample sub-library to the augmented reality client terminal, so that during image scanning in an offline environment of a user, the AR client terminal performs image recognition on the scanned image information on the basis of the picture feature sample sub-library FIG. 1 O (57) : The present application provides an image recognition method based on augmented reality, which includes: gathering user information uploaded by an augmented reality client terminal; screening out picture feature samples associated with the user information from a preset picture feature sample library; and generating, on the basis of the screened-out picture feature samples, a picture feature sample sub-library corresponding to the user information, and pushing the picture feature sample sub- library to the augmented reality client terminal, so that during image scanning in an offline environment of the user, the augmented reality client 00 terminal performs image recognition on the scanned image information on the basis of the picture feature sample sub-library. The O present application can improve the image recognition efficiency of an AR client terminal. C [Continued on next page] WO 2018/132590 Al MIDEDIMOMOIDEIREEMOMOMMOHINEOMMEHOIS 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, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))