EP1800239A1 - Procede pour ameliorer la qualite de la squelettisation d'une image d'empreinte digitale - Google Patents

Procede pour ameliorer la qualite de la squelettisation d'une image d'empreinte digitale

Info

Publication number
EP1800239A1
EP1800239A1 EP05799948A EP05799948A EP1800239A1 EP 1800239 A1 EP1800239 A1 EP 1800239A1 EP 05799948 A EP05799948 A EP 05799948A EP 05799948 A EP05799948 A EP 05799948A EP 1800239 A1 EP1800239 A1 EP 1800239A1
Authority
EP
European Patent Office
Prior art keywords
representation
data element
component
boundary
neighborhood
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP05799948A
Other languages
German (de)
English (en)
Inventor
Cedric The Forensic Science Service NEUMANN
Roberto The Forensic Science Service PUCH-SOLIS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forensic Science Service Ltd
Original Assignee
Forensic Science Service Ltd
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
Priority claimed from GB0422786A external-priority patent/GB0422786D0/en
Priority claimed from GB0502893A external-priority patent/GB0502893D0/en
Priority claimed from US11/084,352 external-priority patent/US20060083413A1/en
Application filed by Forensic Science Service Ltd filed Critical Forensic Science Service Ltd
Publication of EP1800239A1 publication Critical patent/EP1800239A1/fr
Withdrawn legal-status Critical Current

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
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1347—Preprocessing; Feature extraction

Landscapes

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

Abstract

La présente invention concerne un procédé pour traiter la représentation d'un identifiant, tel qu'une empreinte digitale, permettant d'améliorer les traitements ultérieurs de la représentation. Le procédé implique d'acquérir une représentation de l'identifiant, la représentation comprenant un ou plusieurs composants tels que des nervures. Une partie de la représentation de l'identifiant est ensuite définie comme faisant partie d'un voisinage en se référant à la frontière de ce voisinage qui est définie par exemple par un rectangle. Toutes les extrémités des composants qui se trouvent à l'intérieur des frontières du voisinage sont ensuite identifiées, ainsi que toutes les limites des composants. Une limite est un élément d'un composant qui coïncide avec la frontière du voisinage et/ou qui forme une jonction avec un ou plusieurs composants, telle qu'une bifurcation. Une représentation traitée de l'identifiant est générée en corrigeant et/ou en nettoyant la représentation en se basant sur la relation entre les extrémités et/ou les limites des composants.
EP05799948A 2004-10-14 2005-10-14 Procede pour ameliorer la qualite de la squelettisation d'une image d'empreinte digitale Withdrawn EP1800239A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0422786A GB0422786D0 (en) 2004-10-14 2004-10-14 Improvements in and relating to identifier investigation
GB0502893A GB0502893D0 (en) 2005-02-11 2005-02-11 Improvements in and relating to identifier investigation
US11/084,352 US20060083413A1 (en) 2004-10-14 2005-03-18 Identifier investigation
PCT/GB2005/003968 WO2006040576A1 (fr) 2004-10-14 2005-10-14 Procede pour ameliorer la qualite de la squelettisation d'une image d'empreinte digitale

Publications (1)

Publication Number Publication Date
EP1800239A1 true EP1800239A1 (fr) 2007-06-27

Family

ID=35588942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05799948A Withdrawn EP1800239A1 (fr) 2004-10-14 2005-10-14 Procede pour ameliorer la qualite de la squelettisation d'une image d'empreinte digitale

Country Status (2)

Country Link
EP (1) EP1800239A1 (fr)
WO (1) WO2006040576A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0819069D0 (en) 2008-10-17 2008-11-26 Forensic Science Service Ltd Improvements in and relating to methods and apparatus for comparison

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL106443A0 (en) * 1993-07-21 1993-11-15 Personix Ltd Apparatus and method for topological processing of fingerprints
US6282304B1 (en) * 1999-05-14 2001-08-28 Biolink Technologies International, Inc. Biometric system for biometric input, comparison, authentication and access control and method therefor
US20030063782A1 (en) * 2001-09-13 2003-04-03 Tinku Acharya Method and apparatus to reduce false minutiae in a binary fingerprint image

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006040576A1 *

Also Published As

Publication number Publication date
WO2006040576A1 (fr) 2006-04-20

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