BRPI0819421A2 - "método para verificação de um documento desconhecido, dispositivo para autenticação de documentos de segurança, meio legível por computador e método para a identificação ou validação de um documento desconhecido" - Google Patents

"método para verificação de um documento desconhecido, dispositivo para autenticação de documentos de segurança, meio legível por computador e método para a identificação ou validação de um documento desconhecido"

Info

Publication number
BRPI0819421A2
BRPI0819421A2 BRPI0819421A BRPI0819421A2 BR PI0819421 A2 BRPI0819421 A2 BR PI0819421A2 BR PI0819421 A BRPI0819421 A BR PI0819421A BR PI0819421 A2 BRPI0819421 A2 BR PI0819421A2
Authority
BR
Brazil
Prior art keywords
unknown document
validating
verifying
identifying
computer readable
Prior art date
Application number
Other languages
English (en)
Inventor
Yiwu Lei
James E Maclean
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BRPI0819421A2 publication Critical patent/BRPI0819421A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/413—Classification of content, e.g. text, photographs or tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2135—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on approximation criteria, e.g. principal component analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
    • G06V10/7715—Feature extraction, e.g. by transforming the feature space, e.g. multi-dimensional scaling [MDS]; Mappings, e.g. subspace methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/19—Image acquisition by sensing codes defining pattern positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Collating Specific Patterns (AREA)
  • Credit Cards Or The Like (AREA)
  • Image Analysis (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Character Input (AREA)
  • Processing Or Creating Images (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Character Discrimination (AREA)
BRPI0819421 2007-12-12 2008-11-12 "método para verificação de um documento desconhecido, dispositivo para autenticação de documentos de segurança, meio legível por computador e método para a identificação ou validação de um documento desconhecido" BRPI0819421A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/955,163 US8194933B2 (en) 2007-12-12 2007-12-12 Identification and verification of an unknown document according to an eigen image process
PCT/US2008/083158 WO2009075986A2 (en) 2007-12-12 2008-11-12 Identification and verification of an unknown document according to an eigen image process

Publications (1)

Publication Number Publication Date
BRPI0819421A2 true BRPI0819421A2 (pt) 2015-05-05

Family

ID=40753345

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0819421 BRPI0819421A2 (pt) 2007-12-12 2008-11-12 "método para verificação de um documento desconhecido, dispositivo para autenticação de documentos de segurança, meio legível por computador e método para a identificação ou validação de um documento desconhecido"

Country Status (13)

Country Link
US (1) US8194933B2 (pt)
EP (1) EP2240878B8 (pt)
JP (1) JP2011507101A (pt)
KR (1) KR101446376B1 (pt)
CN (1) CN101925905B (pt)
AU (1) AU2008335636B2 (pt)
BR (1) BRPI0819421A2 (pt)
CA (1) CA2708768C (pt)
IL (1) IL206314A0 (pt)
NZ (1) NZ586078A (pt)
TW (1) TW200931326A (pt)
WO (1) WO2009075986A2 (pt)
ZA (1) ZA201004860B (pt)

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EP2240878A4 (en) 2018-03-28
CN101925905B (zh) 2013-06-19
IL206314A0 (en) 2010-12-30
AU2008335636B2 (en) 2012-04-19
NZ586078A (en) 2012-09-28
EP2240878A2 (en) 2010-10-20
WO2009075986A3 (en) 2009-08-06
CA2708768C (en) 2016-01-05
CN101925905A (zh) 2010-12-22
EP2240878B1 (en) 2020-10-28
JP2011507101A (ja) 2011-03-03
KR20100094565A (ko) 2010-08-26
TW200931326A (en) 2009-07-16
AU2008335636A1 (en) 2009-06-18
ZA201004860B (en) 2011-03-30
CA2708768A1 (en) 2009-06-18
KR101446376B1 (ko) 2014-10-01
US20090154778A1 (en) 2009-06-18
WO2009075986A2 (en) 2009-06-18
US8194933B2 (en) 2012-06-05
EP2240878B8 (en) 2021-04-14

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