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BRPI0514194A - sistemas e métodos para a autenticação de objetos usando-se uma codificação e uma decodificação de imagem nìvel múltiplo - Google Patents

sistemas e métodos para a autenticação de objetos usando-se uma codificação e uma decodificação de imagem nìvel múltiplo

Info

Publication number
BRPI0514194A
BRPI0514194A BRPI0514194-0A BRPI0514194A BRPI0514194A BR PI0514194 A BRPI0514194 A BR PI0514194A BR PI0514194 A BRPI0514194 A BR PI0514194A BR PI0514194 A BRPI0514194 A BR PI0514194A
Authority
BR
Brazil
Prior art keywords
image
coding
encoding
parameter set
decoding
Prior art date
Application number
BRPI0514194-0A
Other languages
English (en)
Inventor
Alfred V Alasia
Alfred J Alasia
Thomas C Alasia
Slobodan Cvetkovic
Original Assignee
Graphic Security Systems Corp
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 Graphic Security Systems Corp filed Critical Graphic Security Systems Corp
Publication of BRPI0514194A publication Critical patent/BRPI0514194A/pt

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
    • 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
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • H04N1/32256—Spatial or amplitude domain methods in halftone 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
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32267—Methods relating to embedding, encoding, decoding, detection or retrieval operations combined with processing of the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—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
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—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
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—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
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/328—Processing of the additional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

SISTEMAS E MéTODOS PARA A AUTENTICAçãO DE OBJETOS USANDO-SE UMA CODIFICAçãO E UMA DECODIFICAçãO DE IMAGEM DE NìVEL MúLTIPLO Um método de produção de uma imagem codificada de nível múltiplo digital é apresentado. O método compreende a obtenção de uma imagem de autenticação digital, a obtenção de um primeiro conjunto de parâmetro de codificação compreendendo um ou mais parâmetros de codificação, e a construção de uma primeira imagem codificada. A primeira imagem codificada é construída usando-se uma primeira metodologia de codificação, a imagem de autenticação digital e o primeiro conjunto de parâmetro de codificação. O método ainda compreende a obtenção de um segundo conjunto de parâmetro de codificação que compreende um ou mais parâmetros de codificação, e a construção de uma segunda imagem codificada, usando-se uma segunda metodologia de codificação, a primeira imagem codificada e o segundo conjunto de parâmetro de codificação. A segunda imagem codificada pode ser decodificada para revelar a primeira imagem codificada, usando-se um decodificador que tem características correspondentes a pelo menos uma porção dos parâmetros de codificação do segundo conjunto de parâmetro de codificação. A primeira imagem codificada pode ser decodificada para revelar a imagem de autenticação usando-se um decodificador que tem características, correspondentes a pelo menos uma porção dos parâmetros de codificação do primeiro conjunto de parâmetro de codificação.
BRPI0514194-0A 2004-08-09 2005-08-05 sistemas e métodos para a autenticação de objetos usando-se uma codificação e uma decodificação de imagem nìvel múltiplo BRPI0514194A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60002704P 2004-08-09 2004-08-09
US11/197,625 US7551752B2 (en) 2004-04-26 2005-08-04 Systems and methods for authenticating objects using multiple-level image encoding and decoding
PCT/US2005/028092 WO2006020553A2 (en) 2004-08-09 2005-08-05 Systems and methods for authenticating objects using multiple-level image encoding and decoding

Publications (1)

Publication Number Publication Date
BRPI0514194A true BRPI0514194A (pt) 2008-06-03

Family

ID=35757457

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514194-0A BRPI0514194A (pt) 2004-08-09 2005-08-05 sistemas e métodos para a autenticação de objetos usando-se uma codificação e uma decodificação de imagem nìvel múltiplo

Country Status (6)

Country Link
US (2) US7551752B2 (pt)
EP (1) EP1787240A4 (pt)
BR (1) BRPI0514194A (pt)
CA (1) CA2576288A1 (pt)
MX (1) MX2007001598A (pt)
WO (1) WO2006020553A2 (pt)

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Also Published As

Publication number Publication date
MX2007001598A (es) 2007-04-10
WO2006020553A2 (en) 2006-02-23
CA2576288A1 (en) 2006-02-23
US7512280B2 (en) 2009-03-31
US20080044089A1 (en) 2008-02-21
EP1787240A4 (en) 2011-04-13
US20060029278A1 (en) 2006-02-09
WO2006020553A3 (en) 2006-06-08
US7551752B2 (en) 2009-06-23
EP1787240A2 (en) 2007-05-23

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.