DE3789324T2 - Verfahren und Gerät für kontextuale Datenverbesserung. - Google Patents

Verfahren und Gerät für kontextuale Datenverbesserung.

Info

Publication number
DE3789324T2
DE3789324T2 DE3789324T DE3789324T DE3789324T2 DE 3789324 T2 DE3789324 T2 DE 3789324T2 DE 3789324 T DE3789324 T DE 3789324T DE 3789324 T DE3789324 T DE 3789324T DE 3789324 T2 DE3789324 T2 DE 3789324T2
Authority
DE
Germany
Prior art keywords
data
window
slit
intensity
data elements
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
DE3789324T
Other languages
English (en)
Other versions
DE3789324D1 (de
Inventor
Richard D Capello
George R Mabry
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.)
PRINTRAK INT Inc
Original Assignee
PRINTRAK INT Inc
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 PRINTRAK INT Inc filed Critical PRINTRAK INT Inc
Publication of DE3789324D1 publication Critical patent/DE3789324D1/de
Application granted granted Critical
Publication of DE3789324T2 publication Critical patent/DE3789324T2/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
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • 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
DE3789324T 1986-01-07 1987-01-06 Verfahren und Gerät für kontextuale Datenverbesserung. Expired - Fee Related DE3789324T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/816,865 US4876726A (en) 1986-01-07 1986-01-07 Method and apparatus for contextual data enhancement

Publications (2)

Publication Number Publication Date
DE3789324D1 DE3789324D1 (de) 1994-04-21
DE3789324T2 true DE3789324T2 (de) 1994-09-08

Family

ID=25221811

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789324T Expired - Fee Related DE3789324T2 (de) 1986-01-07 1987-01-06 Verfahren und Gerät für kontextuale Datenverbesserung.

Country Status (8)

Country Link
US (1) US4876726A (de)
EP (1) EP0229028B1 (de)
JP (1) JPS63502382A (de)
KR (1) KR880700975A (de)
AT (1) ATE103086T1 (de)
BR (1) BR8705282A (de)
DE (1) DE3789324T2 (de)
WO (1) WO1987004279A1 (de)

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DE4304860A1 (de) * 1993-02-17 1994-08-18 Siemens Ag Verfahren zur Verbesserung der Sichtbarkeit von linienhaften Strukturen in einem digitalen Bild
US5659626A (en) * 1994-10-20 1997-08-19 Calspan Corporation Fingerprint identification system
US6049620A (en) 1995-12-15 2000-04-11 Veridicom, Inc. Capacitive fingerprint sensor with adjustable gain
US5796858A (en) * 1996-05-10 1998-08-18 Digital Persona, Inc. Fingerprint sensing system using a sheet prism
US5960101A (en) * 1996-08-30 1999-09-28 Printrak International, Inc. Expert matcher fingerprint system
US6111977A (en) * 1997-04-17 2000-08-29 Cross Match Technologies, Inc. Hand-held fingerprint recognition and transmission device
US6125192A (en) * 1997-04-21 2000-09-26 Digital Persona, Inc. Fingerprint recognition system
US6263090B1 (en) 1997-05-19 2001-07-17 Cross Match Technologies, Inc. Code reader fingerprint scanner
US6122737A (en) * 1997-11-14 2000-09-19 Digital Persona, Inc. Method for using fingerprints to distribute information over a network
US6035398A (en) * 1997-11-14 2000-03-07 Digitalpersona, Inc. Cryptographic key generation using biometric data
US6178255B1 (en) 1998-04-28 2001-01-23 Cross Match Technologies, Inc. Individualized fingerprint scanner
US6324310B1 (en) 1998-06-02 2001-11-27 Digital Persona, Inc. Method and apparatus for scanning a fingerprint using a linear sensor
US6038977A (en) * 1998-06-19 2000-03-21 Haney; Daniel E. Multiple printing process registration method
US6244183B1 (en) 1998-06-19 2001-06-12 Haney Graphics Multiple printing process pin registration method and apparatus
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
US6097035A (en) * 1999-02-22 2000-08-01 Digital Persona, Inc. Fingerprint detection apparatus with partial fingerprint images
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
US6272562B1 (en) 1999-05-28 2001-08-07 Cross Match Technologies, Inc. Access control unit interface
US6744910B1 (en) 1999-06-25 2004-06-01 Cross Match Technologies, Inc. Hand-held fingerprint scanner with on-board image normalization data storage
US6886104B1 (en) 1999-06-25 2005-04-26 Cross Match Technologies Rechargeable mobile hand-held fingerprint scanner with a data and power communication interface
US6658164B1 (en) * 1999-08-09 2003-12-02 Cross Match Technologies, Inc. Calibration and correction in a fingerprint scanner
US7162060B1 (en) 1999-08-09 2007-01-09 Cross Match Technologies Method, system, and computer program product for control of platen movement during a live scan
AU1939300A (en) * 1999-08-09 2001-03-05 Cross Match Technologies, Inc. Method, system, and computer program product for a gui to fingerprint scanner interface
AU2178100A (en) * 1999-08-09 2001-03-05 Cross Match Technologies, Inc. System and method for sending a packet with position address and line scan data over an interface cable
US6483932B1 (en) * 1999-08-19 2002-11-19 Cross Match Technologies, Inc. Method and apparatus for rolled fingerprint capture
US6687391B1 (en) 1999-10-22 2004-02-03 Cross Match Technologies, Inc. Adjustable, rotatable finger guide in a tenprint scanner with movable prism platen
US6518560B1 (en) 2000-04-27 2003-02-11 Veridicom, Inc. Automatic gain amplifier for biometric sensor device
JP2004506993A (ja) 2000-08-18 2004-03-04 クロス　マッチ　テクノロジーズ，　インコーポレイテッド 指紋スキャナ自動キャプチャシステムおよび方法
US7081976B2 (en) * 2000-11-29 2006-07-25 Xerox Corporation Color calibration alarm apparatus and method for use in an image-rendering device
US6928195B2 (en) * 2000-12-18 2005-08-09 Cross Match Technologies, Inc. Palm scanner using a programmable nutating mirror for increased resolution
EP1390196A4 (de) * 2001-04-26 2005-12-28 Cross Match Technologies Inc Silicongummioberflächen für biometrische druck-tir-prismen
KR100432491B1 (ko) 2001-08-31 2004-05-22 (주)니트 젠 융선방향 모델을 이용한 지문 특징데이터 추출방법
US20030149343A1 (en) * 2001-09-26 2003-08-07 Cross Match Technologies, Inc. Biometric based facility security
US6867850B2 (en) 2002-01-17 2005-03-15 Cross Match Technologies, Inc. Light wedge for illuminating a platen in a print scanner
DE60323208D1 (de) * 2002-01-17 2008-10-09 Cross Match Technologies Inc Fingerabdruck-workstation und verfahren
US6954260B2 (en) * 2002-01-17 2005-10-11 Cross Match Technologies, Inc. Systems and methods for illuminating a platen in a print scanner
JP4169185B2 (ja) * 2002-02-25 2008-10-22 富士通株式会社 画像連結方法、プログラム及び装置
US7079007B2 (en) 2002-04-19 2006-07-18 Cross Match Technologies, Inc. Systems and methods utilizing biometric data
US7073711B2 (en) 2002-04-19 2006-07-11 Cross Match Technologies, Inc. Mobile handheld code reader and print scanner system and method
US6944768B2 (en) * 2002-04-19 2005-09-13 Cross Match Technologies, Inc. System and methods for access control utilizing two factors to control access
WO2004013801A2 (en) * 2002-08-02 2004-02-12 Cross Match Technologies, Inc. System and method for counting ridges in a captured print image
US7099498B2 (en) * 2002-09-30 2006-08-29 Motorola, Inc. Minutiae matching system and method
US7155039B1 (en) 2002-12-18 2006-12-26 Motorola, Inc. Automatic fingerprint identification system and method
US7072496B2 (en) * 2002-12-20 2006-07-04 Motorola, Inc. Slap print segmentation system and method
US7164440B2 (en) 2003-02-28 2007-01-16 Cross Match Technologies, Inc. Dynamic image adaptation method for adjusting the quality of digital prints
US7277562B2 (en) 2003-08-01 2007-10-02 Cross Match Technologies, Inc. Biometric imaging capture system and method
US7249136B1 (en) * 2003-09-11 2007-07-24 At&T Corp. Space-and time-efficient management and summarization of data using intermediate summary structure and hierarchical multidimensional histogram
US20080298647A1 (en) * 2005-04-08 2008-12-04 Us Biometrics Corporation System and Method for Identifying an Enrolled User Utilizing a Biometric Identifier
US20070207368A1 (en) * 2006-03-03 2007-09-06 Anderson Everett B Method and apparatus for electrochemical flow field member
AU2006342253B2 (en) * 2006-04-13 2013-01-24 Solventum Intellectual Properties Company Medical closure screen installation systems and methods
CN101689302A (zh) * 2007-06-27 2010-03-31 日本电气株式会社 特征属性计算装置、特征量提取装置、图形核对装置、方法以及程序
US11483547B2 (en) * 2019-12-04 2022-10-25 Nxp Usa, Inc. System and method for adaptive correction factor subsampling for geometric correction in an image processing system
CN112287765A (zh) * 2020-09-30 2021-01-29 新大陆数字技术股份有限公司 人脸活体检测方法、装置、设备及可读存储介质

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US3699519A (en) * 1971-04-30 1972-10-17 North American Rockwell Fingerprint analysis device
US3993888A (en) * 1974-10-29 1976-11-23 Calspan Corporation Scanning line filter
US4003024A (en) * 1975-10-14 1977-01-11 Rockwell International Corporation Two-dimensional binary data enhancement system
JPS5927945B2 (ja) * 1975-12-29 1984-07-09 日本電気株式会社 シマモンヨウホウコウケツテイソウチ
US4083035A (en) * 1976-09-10 1978-04-04 Rockwell International Corporation Binary image minutiae detector
US4135147A (en) * 1976-09-10 1979-01-16 Rockwell International Corporation Minutiae pattern matcher
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US4151512A (en) * 1976-09-10 1979-04-24 Rockwell International Corporation Automatic pattern processing system
US4156230A (en) * 1977-11-02 1979-05-22 Rockwell International Corporation Method and apparatus for automatic extraction of fingerprint cores and tri-radii
US4225850A (en) * 1978-11-15 1980-09-30 Rockwell International Corporation Non-fingerprint region indicator
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
US4368462A (en) * 1979-07-10 1983-01-11 Teledyne Industries, Inc. Line follower
US4398256A (en) * 1981-03-16 1983-08-09 Hughes Aircraft Company Image processing architecture
JPS5851388A (ja) * 1981-09-22 1983-03-26 Ricoh Co Ltd 方向コ−ド割付け方法

Also Published As

Publication number Publication date
BR8705282A (pt) 1988-02-09
EP0229028A2 (de) 1987-07-15
EP0229028B1 (de) 1994-03-16
JPS63502382A (ja) 1988-09-08
ATE103086T1 (de) 1994-04-15
WO1987004279A1 (en) 1987-07-16
DE3789324D1 (de) 1994-04-21
US4876726A (en) 1989-10-24
EP0229028A3 (en) 1989-08-09
KR880700975A (ko) 1988-04-13

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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