DE69623564D1 - Gerät zur Extraktion von Fingerabdruckmerkmalen - Google Patents

Gerät zur Extraktion von Fingerabdruckmerkmalen

Info

Publication number
DE69623564D1
DE69623564D1 DE69623564T DE69623564T DE69623564D1 DE 69623564 D1 DE69623564 D1 DE 69623564D1 DE 69623564 T DE69623564 T DE 69623564T DE 69623564 T DE69623564 T DE 69623564T DE 69623564 D1 DE69623564 D1 DE 69623564D1
Authority
DE
Germany
Prior art keywords
fingerprint features
extracting fingerprint
extracting
features
fingerprint
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 - Lifetime
Application number
DE69623564T
Other languages
English (en)
Other versions
DE69623564T2 (de
Inventor
Kaoru Uchida
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69623564D1 publication Critical patent/DE69623564D1/de
Publication of DE69623564T2 publication Critical patent/DE69623564T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G06V40/1359—Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
    • G06V10/507—Summing image-intensity values; Histogram projection analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Human Computer Interaction (AREA)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE69623564T 1995-11-08 1996-10-31 Gerät zur Extraktion von Fingerabdruckmerkmalen Expired - Lifetime DE69623564T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7289460A JP2776340B2 (ja) 1995-11-08 1995-11-08 指紋特徴抽出装置

Publications (2)

Publication Number Publication Date
DE69623564D1 true DE69623564D1 (de) 2002-10-17
DE69623564T2 DE69623564T2 (de) 2003-05-15

Family

ID=17743561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623564T Expired - Lifetime DE69623564T2 (de) 1995-11-08 1996-10-31 Gerät zur Extraktion von Fingerabdruckmerkmalen

Country Status (7)

Country Link
US (1) US5832102A (de)
EP (1) EP0773508B1 (de)
JP (1) JP2776340B2 (de)
KR (1) KR100214240B1 (de)
AU (1) AU722594B2 (de)
CA (1) CA2189671C (de)
DE (1) DE69623564T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3770344B2 (ja) 1996-12-26 2006-04-26 ソニー株式会社 画像照合装置及び画像照合方法
KR100448288B1 (ko) * 1997-08-29 2004-12-17 주식회사 대우일렉트로닉스 단말기사용자제한장치및방법
WO2001048681A2 (en) * 1999-12-23 2001-07-05 National University Of Singapore Automated fingerprint identification system
US7133542B2 (en) * 2000-09-29 2006-11-07 Chuo Hatsujo Kabushiki Kaisha Fingerprint verification device and fingerprint verification method
JP4730502B2 (ja) * 2001-08-29 2011-07-20 株式会社ディー・ディー・エス 指紋照合装置及び指紋照合プログラム
KR100432491B1 (ko) * 2001-08-31 2004-05-22 (주)니트 젠 융선방향 모델을 이용한 지문 특징데이터 추출방법
ATE528320T1 (de) 2002-05-10 2011-10-15 Bio Layer Pty Ltd Erzeugung von oberflächenbeschichtungsdivergenz
DE10339743B4 (de) * 2003-08-28 2007-08-02 Infineon Technologies Ag Verfahren zum Vergleich eines Testfingerabdrucks mit einem gespeicherten Referenzfingerabdruck und zur Durchführung des Verfahrens geeignete Vorrichtung
JP4345426B2 (ja) * 2003-10-07 2009-10-14 ソニー株式会社 画像照合方法、プログラム、および画像照合装置
EP1700244A4 (de) * 2003-12-12 2009-07-08 Bio Layer Pty Ltd Verfahren zum entwerfen von oberflächen
US7741053B2 (en) * 2005-05-13 2010-06-22 Sigma-Aldrich Co. Processes for purification of recombinant proteins
US20090306342A1 (en) * 2005-12-30 2009-12-10 Bio-Layer Pty Limited Binding of molecules
US8606019B2 (en) 2007-04-23 2013-12-10 Nec Corporation Matching method for two-dimensional pattern, feature extracting method, apparatus used for the methods, and programs
CN101855650B (zh) 2007-11-09 2012-12-12 富士通株式会社 生物体信息取得装置、生物体信息取得方法以及生物体认证装置
CN102292026B (zh) * 2009-01-30 2014-03-26 富士通先端科技株式会社 认证装置、摄像装置和认证方法
US10417476B2 (en) * 2016-12-30 2019-09-17 Eosmem Corporation Exposure time determination method for image sensing operation
CN111027424B (zh) * 2019-11-28 2023-04-07 深圳市迪安杰智能识别科技有限公司 指纹采集装置、方法和智能门锁

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394683A (en) * 1980-06-26 1983-07-19 Diffracto Ltd. New photodetector array based optical measurement systems
JP2637764B2 (ja) 1988-04-23 1997-08-06 日本電気セキュリティシステム株式会社 指紋中心検出方式
JP2690103B2 (ja) 1988-04-23 1997-12-10 日本電気セキュリティシステム株式会社 指紋中心検出装置
JPH0235577A (ja) * 1988-07-25 1990-02-06 Toshiba Corp 個人認証装置
JPH03108075A (ja) 1989-09-21 1991-05-08 Toshiba Corp パターン画像処理装置
JPH04117578A (ja) * 1990-06-13 1992-04-17 Yaskawa Electric Corp ライン検出方法
JPH079033A (ja) * 1993-06-28 1995-01-13 Kubota Corp 鋼管矢板の管端部矯正制御方法
JPH0779033A (ja) 1993-09-07 1995-03-20 Showa Denko Kk 磁電変換素子

Also Published As

Publication number Publication date
CA2189671A1 (en) 1997-05-09
DE69623564T2 (de) 2003-05-15
EP0773508A2 (de) 1997-05-14
US5832102A (en) 1998-11-03
AU722594B2 (en) 2000-08-10
AU7066396A (en) 1997-05-15
CA2189671C (en) 1999-12-28
EP0773508A3 (de) 1997-10-29
EP0773508B1 (de) 2002-09-11
KR100214240B1 (ko) 1999-08-02
JPH09134427A (ja) 1997-05-20
JP2776340B2 (ja) 1998-07-16
KR970029168A (ko) 1997-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition