GB1232329A - - Google Patents

Info

Publication number
GB1232329A
GB1232329A GB1232329DA GB1232329A GB 1232329 A GB1232329 A GB 1232329A GB 1232329D A GB1232329D A GB 1232329DA GB 1232329 A GB1232329 A GB 1232329A
Authority
GB
United Kingdom
Prior art keywords
ordinates
tangency
points
scans
ridges
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1232329A publication Critical patent/GB1232329A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06V40/10—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)
  • Image Input (AREA)
GB1232329D 1968-09-25 1969-08-27 Expired GB1232329A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76243368A 1968-09-25 1968-09-25

Publications (1)

Publication Number Publication Date
GB1232329A true GB1232329A (https=) 1971-05-19

Family

ID=25065023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232329D Expired GB1232329A (https=) 1968-09-25 1969-08-27

Country Status (4)

Country Link
US (1) US3560928A (https=)
DE (1) DE1946861A1 (https=)
FR (1) FR2018804A1 (https=)
GB (1) GB1232329A (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL149309B (nl) * 1969-05-10 1976-04-15 Philips Nv Karakteraftastinrichting voorzien van een schakeling voor het bepalen van de katakterhartlijn.
US3959884A (en) * 1975-07-25 1976-06-01 First Ann Arbor Corporation Method of classifying fingerprints
US4607384A (en) * 1984-05-01 1986-08-19 At&T - Technologies, Inc. Fingerprint classification arrangement
DE3581865D1 (de) * 1984-08-30 1991-04-04 Nec Corp Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation.
US4747147A (en) * 1985-09-03 1988-05-24 Sparrow Malcolm K Fingerprint recognition and retrieval system
EP0233919A4 (en) * 1985-08-16 1990-01-26 Zegeer Jim SYSTEM FOR RECOGNIZING AND SEARCHING FOR FINGERPRINTS.
US4817183A (en) * 1986-06-16 1989-03-28 Sparrow Malcolm K Fingerprint recognition and retrieval system
DE4429829A1 (de) * 1993-08-23 1995-03-02 Gim Ges Fuer Innovation Und Ma Verfahren und Anordnung zur Mustererkennung
JP4303410B2 (ja) * 2000-09-29 2009-07-29 富士通株式会社 紋様中心決定装置および紋様方向決定装置並びに紋様位置合わせ装置および紋様照合装置
JP2003058889A (ja) * 2001-08-10 2003-02-28 S Stuff:Kk 個人識別方法及び個人識別装置
FR2848699B1 (fr) * 2002-12-13 2005-04-01 Oberthur Card Syst Sa Identification biometrique par reconnaissance d'empreinte digitale
JP5295848B2 (ja) * 2009-04-14 2013-09-18 株式会社日立製作所 個人認証装置
CN103150541A (zh) * 2011-12-06 2013-06-12 富泰华工业（深圳）有限公司 指纹识别装置及其指纹识别方法

Also Published As

Publication number Publication date
US3560928A (en) 1971-02-02
FR2018804A1 (https=) 1970-06-26
DE1946861A1 (de) 1970-04-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee