BR9813928A - Método e sistema de verificação de assinatura eletrônica - Google Patents

Método e sistema de verificação de assinatura eletrônica

Info

Publication number
BR9813928A
BR9813928A BR9813928-2A BR9813928A BR9813928A BR 9813928 A BR9813928 A BR 9813928A BR 9813928 A BR9813928 A BR 9813928A BR 9813928 A BR9813928 A BR 9813928A
Authority
BR
Brazil
Prior art keywords
signature
region
distribution
recognized
true
Prior art date
Application number
BR9813928-2A
Other languages
English (en)
Portuguese (pt)
Inventor
Chai Toshiaki
Original Assignee
Cyber Sign Japan Inc
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 Cyber Sign Japan Inc filed Critical Cyber Sign Japan Inc
Publication of BR9813928A publication Critical patent/BR9813928A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/30—Writer recognition; Reading and verifying signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Collating Specific Patterns (AREA)
BR9813928-2A 1997-11-04 1998-11-04 Método e sistema de verificação de assinatura eletrônica BR9813928A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9317694A JPH11144056A (ja) 1997-11-04 1997-11-04 電子署名照合方法およびシステム
PCT/JP1998/004968 WO1999023608A1 (fr) 1997-11-04 1998-11-04 Procede et systeme de verification de signature numerique

Publications (1)

Publication Number Publication Date
BR9813928A true BR9813928A (pt) 2000-10-03

Family

ID=18090989

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9813928-2A BR9813928A (pt) 1997-11-04 1998-11-04 Método e sistema de verificação de assinatura eletrônica

Country Status (10)

Country Link
US (1) US6563939B1 (enExample)
EP (1) EP1028391A4 (enExample)
JP (1) JPH11144056A (enExample)
KR (1) KR20010031613A (enExample)
CN (1) CN1285939A (enExample)
AU (1) AU9761598A (enExample)
BR (1) BR9813928A (enExample)
CA (1) CA2309148A1 (enExample)
RU (1) RU2000114185A (enExample)
WO (1) WO1999023608A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4134435B2 (ja) * 1999-04-07 2008-08-20 株式会社ニコン 電子透かし機能を有する電子撮影装置及び使用者登録機能を有する電子撮影装置
JP2001134759A (ja) * 1999-11-02 2001-05-18 Cadix Inc データ変換装置及びデータ認証システム
JP2002007934A (ja) 2000-06-26 2002-01-11 Fujitsu Ltd 電子商取引システムおよび電子商取引方法
KR20020021189A (ko) * 2000-09-14 2002-03-20 김진환 사용자의 훈련에 기반한 온라인 서명검증시스템
US7730401B2 (en) 2001-05-16 2010-06-01 Synaptics Incorporated Touch screen with user interface enhancement
JP2003271967A (ja) 2002-03-19 2003-09-26 Fujitsu Prime Software Technologies Ltd 手書き署名認証プログラム、方法、及び装置
WO2005020289A2 (en) * 2003-08-22 2005-03-03 Kim Richard C Method and apparatus for capturing and authenticating biometric information from a writing instrument
US7426643B2 (en) * 2004-06-22 2008-09-16 Hewlett-Packard Development Company, L.P. Input device feature
US20070061721A1 (en) * 2005-09-01 2007-03-15 Bustelo Leugim A System for providing review verifications displayed on a markup language document received at a network display station from sources on the network and for updating such verifications
US8009928B1 (en) * 2008-01-23 2011-08-30 A9.Com, Inc. Method and system for detecting and recognizing text in images
EP3629139A1 (en) 2009-04-30 2020-04-01 Wacom Co., Ltd. Operating a touch screen control system according to a plurality of rule sets
US20110148438A1 (en) * 2009-12-18 2011-06-23 Synaptics Incorporated System and method for determining a number of objects in a capacitive sensing region using a shape factor
US20110148436A1 (en) * 2009-12-18 2011-06-23 Synaptics Incorporated System and method for determining a number of objects in a capacitive sensing region using signal grouping
WO2015030500A1 (ko) * 2013-08-30 2015-03-05 삼성전자 주식회사 전자 장치 및 전자 장치의 서명 입력 처리 방법
CN104951779B (zh) * 2014-03-24 2019-01-18 中国银联股份有限公司 一种识别签购单字符的方法和系统
KR101585842B1 (ko) * 2015-10-05 2016-01-15 주식회사 시큐브 세그먼트 블록 기반 수기서명 인증 시스템 및 방법
CN112686140A (zh) * 2020-12-29 2021-04-20 平安普惠企业管理有限公司 电子签名的识别方法、系统、设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308522A (en) * 1979-03-19 1981-12-29 Ncr Corporation Identity verification apparatus and method
US4656662A (en) * 1983-07-18 1987-04-07 Ncr Corporation Personal identification method and apparatus
JPS6428426A (en) * 1987-07-24 1989-01-31 Toshiba Corp Air conditioner
US4985928A (en) * 1989-05-10 1991-01-15 Campbell Robert K Signature forgery detection device
US5559895A (en) * 1991-11-08 1996-09-24 Cornell Research Foundation, Inc. Adaptive method and system for real time verification of dynamic human signatures
WO1995016974A1 (en) * 1993-12-17 1995-06-22 Quintet, Incorporated Method of automated signature verification
JPH0927031A (ja) * 1995-07-10 1997-01-28 Hitachi Vlsi Eng Corp 図形判定方法および装置
US5909500A (en) * 1996-01-02 1999-06-01 Moore; Steven Jerome Method and apparatus for detecting forged signatures

Also Published As

Publication number Publication date
EP1028391A1 (en) 2000-08-16
KR20010031613A (ko) 2001-04-16
EP1028391A4 (en) 2001-01-31
RU2000114185A (ru) 2002-05-27
CN1285939A (zh) 2001-02-28
CA2309148A1 (en) 1999-05-14
WO1999023608A1 (fr) 1999-05-14
US6563939B1 (en) 2003-05-13
AU9761598A (en) 1999-05-24
JPH11144056A (ja) 1999-05-28

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]