EE04574B1 - Meetod, mis on kohandatud arvutissteemis primaarse kujutise digitaalseks rasterdamiseks ja selle kodeerimiseks sekundaarse kujutisega dokumendi v?ltsimise v„ltimiseks - Google Patents

Meetod, mis on kohandatud arvutissteemis primaarse kujutise digitaalseks rasterdamiseks ja selle kodeerimiseks sekundaarse kujutisega dokumendi v?ltsimise v„ltimiseks

Info

Publication number
EE04574B1
EE04574B1 EEP200000418A EEP200000418A EE04574B1 EE 04574 B1 EE04574 B1 EE 04574B1 EE P200000418 A EEP200000418 A EE P200000418A EE P200000418 A EEP200000418 A EE P200000418A EE 04574 B1 EE04574 B1 EE 04574B1
Authority
EE
Estonia
Prior art keywords
rasterize
digitally
encode
document
image
Prior art date
Application number
EEP200000418A
Other languages
English (en)
Inventor
Koltai Ferenc
Ad�m Bence
Tak�cs Ferenc
Baros L�szl�
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 EE200000418A publication Critical patent/EE200000418A/et
Publication of EE04574B1 publication Critical patent/EE04574B1/et

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)
  • Printing Methods (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Burglar Alarm Systems (AREA)
  • Image Analysis (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EEP200000418A 1998-01-12 1999-01-12 Meetod, mis on kohandatud arvutissteemis primaarse kujutise digitaalseks rasterdamiseks ja selle kodeerimiseks sekundaarse kujutisega dokumendi v?ltsimise v„ltimiseks EE04574B1 (et)

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 (2)

Publication Number Publication Date
EE200000418A EE200000418A (et) 2001-12-17
EE04574B1 true EE04574B1 (et) 2005-12-15

Family

ID=21716334

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000418A EE04574B1 (et) 1998-01-12 1999-01-12 Meetod, mis on kohandatud arvutissteemis primaarse kujutise digitaalseks rasterdamiseks ja selle kodeerimiseks sekundaarse kujutisega dokumendi v?ltsimise v„ltimiseks

Country Status (36)

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

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