NO20003559L - FremgangsmÕte og apparat for Õ motvirke forfalskning, ved bruk av digitalt raster - Google Patents

FremgangsmÕte og apparat for Õ motvirke forfalskning, ved bruk av digitalt raster

Info

Publication number
NO20003559L
NO20003559L NO20003559A NO20003559A NO20003559L NO 20003559 L NO20003559 L NO 20003559L NO 20003559 A NO20003559 A NO 20003559A NO 20003559 A NO20003559 A NO 20003559A NO 20003559 L NO20003559 L NO 20003559L
Authority
NO
Norway
Prior art keywords
counterfeiting
counteracting
digital raster
raster
digital
Prior art date
Application number
NO20003559A
Other languages
English (en)
Other versions
NO324556B1 (no
NO20003559D0 (no
Inventor
Ferenc Koltai
Bence Adsm
Ferenc Takscs
Lsszlo Baros
Original Assignee
Jura Trade Kereskedelmi Kft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jura Trade Kereskedelmi Kft filed Critical Jura Trade Kereskedelmi Kft
Publication of NO20003559D0 publication Critical patent/NO20003559D0/no
Publication of NO20003559L publication Critical patent/NO20003559L/no
Publication of NO324556B1 publication Critical patent/NO324556B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32251—Spatial or amplitude domain methods in multilevel data, e.g. greyscale or continuous tone data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32219—Spatial or amplitude domain methods involving changing the position of selected pixels, e.g. word shifting, or involving modulating the size of image components, e.g. of characters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32309—Methods relating to embedding, encoding, decoding, detection or retrieval operations in colour image data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
NO20003559A 1998-01-12 2000-07-11 Fremgangsmate og apparat for a motvirke forfalskning, ved bruk av digitalt raster NO324556B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/005,529 US6104812A (en) 1998-01-12 1998-01-12 Anti-counterfeiting method and apparatus using digital screening
PCT/HU1999/000002 WO1999035819A1 (en) 1998-01-12 1999-01-12 Anti-counterfeiting method and apparatus using digital screening

Publications (3)

Publication Number Publication Date
NO20003559D0 NO20003559D0 (no) 2000-07-11
NO20003559L true NO20003559L (no) 2000-09-11
NO324556B1 NO324556B1 (no) 2007-11-19

Family

ID=21716334

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003559A NO324556B1 (no) 1998-01-12 2000-07-11 Fremgangsmate og apparat for a motvirke forfalskning, ved bruk av digitalt raster

Country Status (36)

Country Link
US (1) US6104812A (no)
EP (2) EP1048168B1 (no)
JP (2) JP4339510B2 (no)
CN (1) CN1152347C (no)
AP (1) AP1272A (no)
AT (1) ATE244972T1 (no)
AU (1) AU748031C (no)
BG (1) BG63856B1 (no)
BR (1) BR9906924B1 (no)
CA (1) CA2317654C (no)
CZ (1) CZ297272B6 (no)
DE (1) DE19900856C2 (no)
DK (1) DK1048168T3 (no)
EA (1) EA002934B1 (no)
EE (1) EE04574B1 (no)
ES (1) ES2203060T3 (no)
HK (1) HK1021026A1 (no)
HR (1) HRP20000414B1 (no)
HU (1) HU226542B1 (no)
ID (1) ID23329A (no)
IL (1) IL136928A0 (no)
IS (1) IS2133B (no)
ME (1) ME00754B (no)
MX (1) MXPA00006913A (no)
MY (1) MY123330A (no)
NO (1) NO324556B1 (no)
NZ (1) NZ505087A (no)
OA (1) OA11471A (no)
PL (1) PL191448B1 (no)
PT (1) PT1048168E (no)
SG (1) SG92623A1 (no)
SI (1) SI1048168T1 (no)
SK (1) SK286452B6 (no)
TW (1) TW522347B (no)
WO (1) WO1999035819A1 (no)
YU (1) YU49366B (no)

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