DE3581865D1 - Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation. - Google Patents

Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation.

Info

Publication number
DE3581865D1
DE3581865D1 DE8585110909T DE3581865T DE3581865D1 DE 3581865 D1 DE3581865 D1 DE 3581865D1 DE 8585110909 T DE8585110909 T DE 8585110909T DE 3581865 T DE3581865 T DE 3581865T DE 3581865 D1 DE3581865 D1 DE 3581865D1
Authority
DE
Germany
Prior art keywords
processing
sequence
image points
points before
processing system
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 - Fee Related
Application number
DE8585110909T
Other languages
English (en)
Inventor
Koichiro Morita
Ko Asai
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
Priority claimed from JP59181106A external-priority patent/JPS6159582A/ja
Priority claimed from JP59181108A external-priority patent/JPS6159583A/ja
Priority claimed from JP59277324A external-priority patent/JPS61151788A/ja
Priority claimed from JP59277326A external-priority patent/JPS61153779A/ja
Priority claimed from JP60097127A external-priority patent/JPS61255481A/ja
Priority claimed from JP60097126A external-priority patent/JPS61255480A/ja
Priority claimed from JP60097125A external-priority patent/JPS61255479A/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3581865D1 publication Critical patent/DE3581865D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
DE8585110909T 1984-08-30 1985-08-29 Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation. Expired - Fee Related DE3581865D1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP59181106A JPS6159582A (ja) 1984-08-30 1984-08-30 図形中心位置決定装置
JP59181108A JPS6159583A (ja) 1984-08-30 1984-08-30 図形中心位置決定装置
JP59277324A JPS61151788A (ja) 1984-12-26 1984-12-26 画像入力装置
JP59277326A JPS61153779A (ja) 1984-12-26 1984-12-26 画像入力装置
JP60097127A JPS61255481A (ja) 1985-05-08 1985-05-08 画像入力装置
JP60097126A JPS61255480A (ja) 1985-05-08 1985-05-08 画像入力装置
JP60097125A JPS61255479A (ja) 1985-05-08 1985-05-08 画像入力装置

Publications (1)

Publication Number Publication Date
DE3581865D1 true DE3581865D1 (de) 1991-04-04

Family

ID=27565589

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585110909T Expired - Fee Related DE3581865D1 (de) 1984-08-30 1985-08-29 Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation.

Country Status (3)

Country Link
US (1) US4827527A (de)
EP (1) EP0173972B1 (de)
DE (1) DE3581865D1 (de)

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JPS63308679A (ja) * 1987-06-11 1988-12-16 Secom Co Ltd 隆線紋様の隆線方向検出装置
DE68928154T2 (de) * 1988-04-23 1997-10-30 Nec Corp Fingerabdruckverarbeitungssystem, geeignet für das Ermitteln des Kernes eines Fingerabdruckbildes durch Krümmungsparameter
CA2004457A1 (en) * 1988-12-06 1990-06-06 Seigo Igaki Minutia data extraction in fingerprint identification
JPH02226483A (ja) * 1989-02-28 1990-09-10 Toshiba Corp 個人認証装置
US4985928A (en) * 1989-05-10 1991-01-15 Campbell Robert K Signature forgery detection device
JPH0471079A (ja) * 1990-07-12 1992-03-05 Takayama:Kk 画像の位置合わせ方法
JPH04252383A (ja) * 1990-07-27 1992-09-08 Ezel Inc 指紋撮影装置
US5261008A (en) * 1990-08-07 1993-11-09 Yozan, Inc. Fingerprint verification method
EP0470530B1 (de) * 1990-08-07 1997-01-22 Yozan Inc. Verfahren zur Prüfung von Fingerabdrücken
US5230025A (en) * 1990-08-31 1993-07-20 Digital Biometrics, Inc. Method and apparatus for capturing skin print images
JP2873883B2 (ja) * 1991-02-26 1999-03-24 日立ソフトウエアエンジニアリング株式会社 線画像の線幅検出方法
EP0521507A3 (en) * 1991-07-04 1993-12-15 Ezel Inc Fingerprint data processing method
JP3057590B2 (ja) * 1992-08-06 2000-06-26 中央発條株式会社 個人識別装置
US6002787A (en) * 1992-10-27 1999-12-14 Jasper Consulting, Inc. Fingerprint analyzing and encoding system
US5796858A (en) * 1996-05-10 1998-08-18 Digital Persona, Inc. Fingerprint sensing system using a sheet prism
JPH10105707A (ja) * 1996-09-25 1998-04-24 Sony Corp 画像照合装置
JP2815045B2 (ja) 1996-12-16 1998-10-27 日本電気株式会社 画像特徴抽出装置，画像特徴解析装置，および画像照合システム
US6125192A (en) 1997-04-21 2000-09-26 Digital Persona, Inc. Fingerprint recognition system
US6856383B1 (en) 1997-09-05 2005-02-15 Security First Corp. Relief object image generator
US6038332A (en) * 1997-09-05 2000-03-14 Digital Biometrics, Inc. Method and apparatus for capturing the image of a palm
US6035398A (en) * 1997-11-14 2000-03-07 Digitalpersona, Inc. Cryptographic key generation using biometric data
US6122737A (en) * 1997-11-14 2000-09-19 Digital Persona, Inc. Method for using fingerprints to distribute information over a network
US6501846B1 (en) 1997-11-25 2002-12-31 Ethentica, Inc. Method and system for computer access and cursor control using a relief object image generator
US6324310B1 (en) 1998-06-02 2001-11-27 Digital Persona, Inc. Method and apparatus for scanning a fingerprint using a linear sensor
US6188781B1 (en) 1998-07-28 2001-02-13 Digital Persona, Inc. Method and apparatus for illuminating a fingerprint through side illumination of a platen
US6950539B2 (en) * 1998-09-16 2005-09-27 Digital Persona Configurable multi-function touchpad device
US6631201B1 (en) 1998-11-06 2003-10-07 Security First Corporation Relief object sensor adaptor
US6097035A (en) * 1999-02-22 2000-08-01 Digital Persona, Inc. Fingerprint detection apparatus with partial fingerprint images
DE10009539A1 (de) * 2000-02-29 2001-09-20 Infineon Technologies Ag Verfahren zur Analyse von Fingerabdruckbildern
DE10009538B4 (de) * 2000-02-29 2004-09-16 Siemens Ag Verfahren zur Analyse von Fingerabdruckbildern
US6952489B1 (en) * 2000-09-29 2005-10-04 Hewlett-Packard Development Company, L.P. Fingerprint verification method having band detection
DE10123367B4 (de) * 2001-05-14 2005-12-08 Infineon Technologies Ag Verfahren zur Fingerabdruckerkennung unter Verwendung von Bildsequenzen
DE10123330A1 (de) * 2001-05-14 2002-11-28 Infineon Technologies Ag Verfahren zur Fälschungserkennung bei der Fingerabdruckerkennung unter Verwendung einer Texturklassifikation von Grauwertdifferenzbildern
DE10123331B4 (de) * 2001-05-14 2005-12-08 Infineon Technologies Ag Verfahren zur Fälschungserkennung bei der Fingerabdruckerkennung unter Verwendung des Verhältnisses von Fingerrillen und Fingerlinien
US6608643B2 (en) * 2002-01-16 2003-08-19 Xerox Corporation Systems and method for measuring or reducing spacing errors in multiple beam ROS systems
US7039224B2 (en) * 2002-04-29 2006-05-02 Activcard Ireland Limited Method and device for preventing false acceptance of latent fingerprint images
JP4262471B2 (ja) * 2002-11-12 2009-05-13 富士通株式会社 生体特徴データ取得装置
JP2004213087A (ja) * 2002-12-26 2004-07-29 Toshiba Corp 個人認証装置および個人認証方法
US7474772B2 (en) * 2003-06-25 2009-01-06 Atrua Technologies, Inc. System and method for a miniature user input device
US7587072B2 (en) * 2003-08-22 2009-09-08 Authentec, Inc. System for and method of generating rotational inputs
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
US7697729B2 (en) * 2004-01-29 2010-04-13 Authentec, Inc. System for and method of finger initiated actions
US20050179657A1 (en) * 2004-02-12 2005-08-18 Atrua Technologies, Inc. System and method of emulating mouse operations using finger image sensors
KR101016848B1 (ko) * 2004-03-22 2011-02-22 엘지전자 주식회사 지문 대칭축 추출 방법
US7194116B2 (en) * 2004-04-23 2007-03-20 Sony Corporation Fingerprint image reconstruction based on motion estimate across a narrow fingerprint sensor
US7212658B2 (en) * 2004-04-23 2007-05-01 Sony Corporation System for fingerprint image reconstruction based on motion estimate across a narrow fingerprint sensor
US7280679B2 (en) * 2004-10-08 2007-10-09 Atrua Technologies, Inc. System for and method of determining pressure on a finger sensor
US20060103633A1 (en) * 2004-11-17 2006-05-18 Atrua Technologies, Inc. Customizable touch input module for an electronic device
JP4727218B2 (ja) * 2004-12-10 2011-07-20 株式会社住友金属ファインテック 両面研磨用キャリア
US20060181521A1 (en) * 2005-02-14 2006-08-17 Atrua Technologies, Inc. Systems for dynamically illuminating touch sensors
US7831070B1 (en) 2005-02-18 2010-11-09 Authentec, Inc. Dynamic finger detection mechanism for a fingerprint sensor
US8231056B2 (en) 2005-04-08 2012-07-31 Authentec, Inc. System for and method of protecting an integrated circuit from over currents
US7505613B2 (en) * 2005-07-12 2009-03-17 Atrua Technologies, Inc. System for and method of securing fingerprint biometric systems against fake-finger spoofing
US20070061126A1 (en) * 2005-09-01 2007-03-15 Anthony Russo System for and method of emulating electronic input devices
JP4599320B2 (ja) * 2006-03-13 2010-12-15 富士通株式会社 指紋認証装置、生体指判定装置および生体指判定方法
DE202009012781U1 (de) 2009-09-23 2009-12-10 Novoferm Tormatic Gmbh Bedienvorrichtung
US8791792B2 (en) 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US8421890B2 (en) 2010-01-15 2013-04-16 Picofield Technologies, Inc. Electronic imager using an impedance sensor grid array and method of making
US8866347B2 (en) 2010-01-15 2014-10-21 Idex Asa Biometric image sensing
EP2836960B1 (de) 2012-04-10 2018-09-26 Idex Asa Biometrische erfassung
KR101444064B1 (ko) * 2013-03-22 2014-09-26 주식회사 슈프리마 다중 스캔을 이용한 광학식 지문 인식 방법 및 장치
CN110656980A (zh) * 2019-08-01 2020-01-07 欧涛 矿井打卡和定位系统

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US3564266A (en) * 1968-04-08 1971-02-16 Gen Electric Photoelectric fingerprint ridge counter
US3560928A (en) * 1968-09-25 1971-02-02 Ibm Apparatus for automatically identifying fingerprint cores
FR1599243A (de) * 1968-12-12 1970-07-15
FR2262834B1 (de) * 1973-04-09 1977-10-21 Calspan Corp
US3959884A (en) * 1975-07-25 1976-06-01 First Ann Arbor Corporation Method of classifying fingerprints
JPS6012674B2 (ja) * 1979-04-02 1985-04-02 日本電気株式会社 パタ−ン特徴抽出装置
DE3301495A1 (de) * 1983-01-18 1984-07-19 Ludwig Dr.-Ing. 7500 Karlsruhe Pietzsch Verfahren und vorrichtung zum erkennen von flaechenmustern an objekten

Also Published As

Publication number Publication date
US4827527A (en) 1989-05-02
EP0173972B1 (de) 1991-02-27
EP0173972A1 (de) 1986-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee