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1. (WO2005031643) METHOD AND SYSTEM FOR PROTECTING AND AUTHENTICATING A DIGITAL IMAGE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2005/031643 International Application No.: PCT/SG2004/000312
Publication Date: 07.04.2005 International Filing Date: 24.09.2004
Chapter 2 Demand Filed: 29.06.2005
IPC:
G06T 1/00 (2006.01)
Applicants: SUN, Qibin[SG/SG]; SG (UsOnly)
ZHANG, Zhizhou[CN/SG]; SG (UsOnly)
HE, Dajun[CN/SG]; SG (UsOnly)
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH[SG/SG]; 20 Biopolis Way #07-01 Centros Singapore 138668, SG (AllExceptUS)
Inventors: SUN, Qibin; SG
ZHANG, Zhizhou; SG
HE, Dajun; SG
Agent: ELLA CHEONG SPRUSON & FERGUSON (SINGAPORE) PTE LTD; P.O. Box 1531 Robinson Road Post Office Singapore 903031, SG
Priority Data:
60/506,31526.09.2003US
Title (EN) METHOD AND SYSTEM FOR PROTECTING AND AUTHENTICATING A DIGITAL IMAGE
(FR) PROCEDE ET SYSTEME POUR PROTEGER ET AUTHENTIFIER UNE IMAGE NUMERIQUE
Abstract: front page image
(EN) A method of protecting digital image, the method comprising extracting feature values from the digital image based on a selected authentication bit-rate; embedding data corresponding to the feature values as a watermark in a into the digital image; and creating an image signature based on the data corresponding to the feature values.
(FR) L'invention concerne un procédé de protection d'une image numérique. Ce procédé comporte les étapes consistant à : extraire des valeurs caractéristiques de l'image numérique sur la base d'un débit binaire d'authentification sélectionné ; intégrer dans l'image numérique sous forme de filigrane des données correspondant aux valeurs caractéristiques ; et produire une signature d'image sur la base des données correspondant aux valeurs caractéristiques.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)