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1. (WO2003102947) RE-EMBEDDING OF WATERMARKS IN MULTIMEDIA SIGNALS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2003/102947 International Application No.: PCT/IB2003/002319
Publication Date: 11.12.2003 International Filing Date: 21.05.2003
IPC:
G06T 1/00 (2006.01) ,G10L 19/00 (2006.01) ,G11B 20/00 (2006.01) ,H04N 1/32 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
T
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
1
General purpose image data processing
G PHYSICS
10
MUSICAL INSTRUMENTS; ACOUSTICS
L
SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
19
Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
G PHYSICS
11
INFORMATION STORAGE
B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20
Signal processing not specific to the method of recording or reproducing; Circuits therefor
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
1
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
32
Circuits or arrangements for control or supervision between transmitter and receiver
Applicants:
KONINKLIJKE PHILIPS ELECTRONICS N.V. [NL/NL]; Groenewoudseweg 1 NL-5621 BA Eindhoven, NL (AllExceptUS)
LEMMA, Aweke, N. [NL/NL]; NL (UsOnly)
APREA, Javier, F. [IT/NL]; NL (UsOnly)
Inventors:
LEMMA, Aweke, N.; NL
APREA, Javier, F.; NL
Agent:
SCHMITZ, Herman, J., R.; Philips Intellectual Property & Standards Prof. Holstlaan 6 NL-5656 AA Eindhoven, NL
Priority Data:
02077170.503.06.2002EP
Title (EN) RE-EMBEDDING OF WATERMARKS IN MULTIMEDIA SIGNALS
(FR) REINSERTION DE FILIGRANES DANS DES SIGNAUX MULTIMEDIA
Abstract:
(EN) Methods and apparatus for processing a multimedia signal comprising a watermark signal are described. The method includes the steps of: removing at least a portion of the watermark signal, and adding a new watermark signal to the multimedia signal so as to form a new watermarked multimedia signal.
(FR) L'invention concerne des procédés et des dispositifs destinés au traitement d'un signal multimédia comprenant un signal filigrané. Le procédé consiste à retirer au moins une partie du signal filigrané, puis à ajouter un nouveau signal filigrané au signal multimédia afin de former un nouveau signal multimédia filigrané.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, 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, NI, NO, NZ, OM, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, 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)
Also published as:
KR1020050009733EP1514268JP2005528649US20050240768CN1659652AU2003233090