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1. (WO2004102472) METHODS AND APPARATUS FOR REVERSIBLE DATA HIDING THROUGH HISTOGRAM MODIFICATION
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2004/102472 International Application No.: PCT/US2004/011331
Publication Date: 25.11.2004 International Filing Date: 12.04.2004
IPC:
G06K 9/00 (2006.01)
Applicants: NEW JERSEY INSTITUTE OF TECHNOLOGY[US/US]; Office of Technology Development East Building, 3rd Floor University Heights Newark, NJ 07102-1982, US
Inventors: SHI, Yun-Qing; US
NI, Zhi-Cheng; US
ANSARI, Nirwan; US
Agent: DERNIER, Matthew, B.; Kaplan & Gilman, L.L.P. 900 route 9 North, Suite 104 Woodbridge, NJ 07095, US
Priority Data:
60/468,24306.05.2003US
60/549,42402.05.2004US
Title (EN) METHODS AND APPARATUS FOR REVERSIBLE DATA HIDING THROUGH HISTOGRAM MODIFICATION
(FR) PROCEDES ET APPAREIL POUR LE MASQUAGE REVERSIBLE DE DONNEES PAR MODIFICATION D'HISTOGRAMME
Abstract: front page image
(EN) Methods and apparatus are provided for encoding (118) a pixel domain image with hidden data (120) by modifying the histogram (112) of the pixel domain image to make space for such hidden data.
(FR) L'invention concerne des procédés et un appareil pour coder une image en domaine pixel à données cachées, en modifiant l'histogramme de l'image en domaine pixel afin de ménager un espace pour ces données cachées.
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, 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)