OA11471A - Anti-counterfeiting method and apparatus using digital screening. - Google Patents

Anti-counterfeiting method and apparatus using digital screening. Download PDF

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Publication number
OA11471A
OA11471A OA1200000204A OA1200000204A OA11471A OA 11471 A OA11471 A OA 11471A OA 1200000204 A OA1200000204 A OA 1200000204A OA 1200000204 A OA1200000204 A OA 1200000204A OA 11471 A OA11471 A OA 11471A
Authority
OA
OAPI
Prior art keywords
image
screen
information
hidden
décoder
Prior art date
Application number
OA1200000204A
Other languages
English (en)
Inventor
Ferenc Koltai
Bence Adam
Ferenc Takacs
Laszlo 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 OA11471A publication Critical patent/OA11471A/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Burglar Alarm Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Analysis (AREA)
OA1200000204A 1998-01-12 2000-07-07 Anti-counterfeiting method and apparatus using digital screening. OA11471A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
OA11471A true OA11471A (en) 2004-05-03

Family

ID=21716334

Family Applications (1)

Application Number Title Priority Date Filing Date
OA1200000204A OA11471A (en) 1998-01-12 2000-07-07 Anti-counterfeiting method and apparatus using digital screening.

Country Status (36)

Country Link
US (1) US6104812A (sh)
EP (2) EP1345193A3 (sh)
JP (2) JP4339510B2 (sh)
CN (1) CN1152347C (sh)
AP (1) AP1272A (sh)
AT (1) ATE244972T1 (sh)
AU (1) AU748031C (sh)
BG (1) BG63856B1 (sh)
BR (1) BR9906924B1 (sh)
CA (1) CA2317654C (sh)
CZ (1) CZ297272B6 (sh)
DE (1) DE19900856C2 (sh)
DK (1) DK1048168T3 (sh)
EA (1) EA002934B1 (sh)
EE (1) EE04574B1 (sh)
ES (1) ES2203060T3 (sh)
HK (1) HK1021026A1 (sh)
HR (1) HRP20000414B1 (sh)
HU (1) HU226542B1 (sh)
ID (1) ID23329A (sh)
IL (1) IL136928A0 (sh)
IS (1) IS2133B (sh)
ME (1) ME00754B (sh)
MX (1) MXPA00006913A (sh)
MY (1) MY123330A (sh)
NO (1) NO324556B1 (sh)
NZ (1) NZ505087A (sh)
OA (1) OA11471A (sh)
PL (1) PL191448B1 (sh)
PT (1) PT1048168E (sh)
SG (1) SG92623A1 (sh)
SI (1) SI1048168T1 (sh)
SK (1) SK286452B6 (sh)
TW (1) TW522347B (sh)
WO (1) WO1999035819A1 (sh)
YU (1) YU49366B (sh)

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