WO2002029709A1 - Systeme d'authentification personnelle - Google Patents

Systeme d'authentification personnelle Download PDF

Info

Publication number
WO2002029709A1
WO2002029709A1 PCT/GB2001/004466 GB0104466W WO0229709A1 WO 2002029709 A1 WO2002029709 A1 WO 2002029709A1 GB 0104466 W GB0104466 W GB 0104466W WO 0229709 A1 WO0229709 A1 WO 0229709A1
Authority
WO
WIPO (PCT)
Prior art keywords
signature
pressure
information
signatures
data
Prior art date
Application number
PCT/GB2001/004466
Other languages
English (en)
Inventor
William John Lloyd
Leslie John Pitts
Grahame Kenneth Blackwell
Original Assignee
Signature Authorisation Systems Limited
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 Signature Authorisation Systems Limited filed Critical Signature Authorisation Systems Limited
Priority to AU2001292121A priority Critical patent/AU2001292121A1/en
Priority to GB0310340A priority patent/GB2384902A/en
Publication of WO2002029709A1 publication Critical patent/WO2002029709A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Definitions

  • apparatus for establishing personal authentication based on signatures comprises pen means for writing a signature on a surface; means for recording characteristics of the signature in terms of variations in applied force as between said pen means and surface with elapsed time; means for comparing said characteristics with characteristics of a previously-recorded signature and means for notification of an authentication decision based on said comparison.
  • a reduced file is first generated as described above. This file is then checked against multiple files of the same type held as reference data for the claimed signatory. Comparison is both on a one-to-one basis (against each reference) and against cumulative statistical data gleaned from reference files and (possibly) also other authenticating signature inputs prior to this one. It follows that acceptance of this signature may result in statistical reference data being updated in the light of information gathered from this file.
  • the results are shown of taking a large number of signature from a group of eleven subjects and scoring them against the stored signature profile for each subject.
  • High-scoring signatures are represented towards the right-hand end of the chart whereas low-scoring signatures are shown towards the left.
  • the white dots represent genuine signatures of the subject whereas the black dots represent signatures copied by other people from that of the subject and also those people's signatures.
  • the black dots represent the authentic signatures of close family relatives of the subject and also forgeries of the subject's signature carried out by those same close relatives, written at the natural speed of the subject and visually indistinguishable from the subject's genuine signature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Collating Specific Patterns (AREA)

Abstract

L'invention concerne un appareil d'authentification personnelle fondé sur des signatures et comprenant des moyens d'écriture d'une signature sur une surface, des moyens d'enregistrement des caractéristiques de la signature, en termes de changements dans la force appliquée, par exemple entre les moyens d'écriture et la surface, pendant le temps écoulé pour la signature, des moyens de comparaison de ces caractéristiques avec celles d'une signature préalablement enregistrée, et des moyens de notification d'une décision d'authentification fondée sur cette comparaison. Les moyens d'écriture ne laissent pas nécessairement une trace visible et ils comprennent, le cas échéant, un transducteur sensible à la pression, bien que la surface elle-même puisse comporter un tel transducteur. L'invention concerne un flux d'informations, de préférence numérisé, destiné à une signature de référence ou spécimen et se rapportant aux changements dans la force appliquée par l'utilisateur, par l'intermédiaire d'un dispositif d'entrée, sur la surface réceptrice de la signature, pendant le temps écoulé pour cette signature. Ce flux d'informations est unique pour chaque utilisateur, même dans le cas de signatures visuellement identiques mais écrites par des personnes différentes, et il peut donc être utilisé pour comparer la signature de référence ou spécimen avec celle d'un client potentiel ou analogue, aux fins d'établissement d'un moyen fiable de discrimination entre la personne autorisée et un imposteur.
PCT/GB2001/004466 2000-10-06 2001-10-08 Systeme d'authentification personnelle WO2002029709A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001292121A AU2001292121A1 (en) 2000-10-06 2001-10-08 Personal authentication system
GB0310340A GB2384902A (en) 2000-10-06 2001-10-08 Personal authentication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0024579.5A GB0024579D0 (en) 2000-10-06 2000-10-06 Personal authentication system
GB0024579.5 2000-10-06

Publications (1)

Publication Number Publication Date
WO2002029709A1 true WO2002029709A1 (fr) 2002-04-11

Family

ID=9900837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/004466 WO2002029709A1 (fr) 2000-10-06 2001-10-08 Systeme d'authentification personnelle

Country Status (3)

Country Link
AU (1) AU2001292121A1 (fr)
GB (2) GB0024579D0 (fr)
WO (1) WO2002029709A1 (fr)

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "SUPERVISED ADAPTION FOR SIGNATURE VERIFICATION SYSTEM", IBM TECHNICAL DISCLOSURE BULLETIN, IBM CORP. NEW YORK, US, vol. 21, no. 1, 1 June 1978 (1978-06-01), pages 424 - 425, XP002050796, ISSN: 0018-8689 *
BRUYNE DE P: "DYNAMIC SIGNATURE VERIFICATION USING YOUR OWN PEN", PROCEEDINGS OF THE INTERNATIONAL CARNAHAN CONFERENCE ON SECURITY TECHNOLOGY: CRIME COUNTERMEASURES. VENUE NOT SHOWN, OCT. 5 - 7, 1988, NEW YORK, IEEE, US, 5 October 1988 (1988-10-05), pages 5 - 8, XP000092872 *
N. M. HERBST AND C. N. LIU: "Automatic Verification of Signatures by Means of Acceleration Patterns", PROC. OF THE CONF. ON PATTERN RECOGNITION AND IMAGE PROCESSING, 6 June 1977 (1977-06-06) - 8 June 1977 (1977-06-08), Long Beach, USA, pages 332 - 337, XP002188397 *

Also Published As

Publication number Publication date
GB2384902A (en) 2003-08-06
GB0024579D0 (en) 2000-11-22
AU2001292121A1 (en) 2002-04-15
GB0310340D0 (en) 2003-06-11

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