FR2290707A1 - Appareil de traitement numerique et procede pour extraire des donnees d'images binaires, notamment en vue d'identifier des empreintes digitales - Google Patents

Appareil de traitement numerique et procede pour extraire des donnees d'images binaires, notamment en vue d'identifier des empreintes digitales

Info

Publication number
FR2290707A1
FR2290707A1 FR7534047A FR7534047A FR2290707A1 FR 2290707 A1 FR2290707 A1 FR 2290707A1 FR 7534047 A FR7534047 A FR 7534047A FR 7534047 A FR7534047 A FR 7534047A FR 2290707 A1 FR2290707 A1 FR 2290707A1
Authority
FR
France
Prior art keywords
processing apparatus
view
digital processing
extracting data
binary images
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Withdrawn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
FR7534047A
Other languages
English (en)
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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of FR2290707A1 publication Critical patent/FR2290707A1/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Withdrawn legal-status Critical Current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)
  • Image Processing (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Character Discrimination (AREA)
  • Image Analysis (AREA)
  • Collating Specific Patterns (AREA)
FR7534047A 1974-11-11 1975-11-07 Appareil de traitement numerique et procede pour extraire des donnees d'images binaires, notamment en vue d'identifier des empreintes digitales Withdrawn FR2290707A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/522,666 US3968475A (en) 1974-11-11 1974-11-11 Digital processor for extracting data from a binary image

Publications (1)

Publication Number Publication Date
FR2290707A1 true FR2290707A1 (fr) 1976-06-04

Family

ID=24081815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534047A Withdrawn FR2290707A1 (fr) 1974-11-11 1975-11-07 Appareil de traitement numerique et procede pour extraire des donnees d'images binaires, notamment en vue d'identifier des empreintes digitales

Country Status (4)

Country Link
US (1) US3968475A (fr)
JP (1) JPS5165838A (fr)
DE (1) DE2550645A1 (fr)
FR (1) FR2290707A1 (fr)

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US4835605A (en) * 1985-08-14 1989-05-30 Fhg Method for the determination of a geometrical parameter for crimped, irregularly structured fibres
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DE68928895T2 (de) * 1988-10-11 1999-05-27 Agency Of Industrial Science And Technology, Tokio/Tokyo Verfahren und Gerät für universelle adaptiv lernende Bildmessung und -erkennung
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US5805722A (en) * 1993-11-22 1998-09-08 Cognex Corporation Method and apparatus for locating, inspecting, and placing large leaded devices
US5602937A (en) * 1994-06-01 1997-02-11 Cognex Corporation Methods and apparatus for machine vision high accuracy searching
US5801966A (en) * 1995-07-24 1998-09-01 Cognex Corporation Machine vision methods and articles of manufacture for determination of convex hull and convex hull angle
US6026176A (en) 1995-07-25 2000-02-15 Cognex Corporation Machine vision methods and articles of manufacture for ball grid array inspection
US5872870A (en) * 1996-02-16 1999-02-16 Cognex Corporation Machine vision methods for identifying extrema of objects in rotated reference frames
US5909504A (en) * 1996-03-15 1999-06-01 Cognex Corporation Method of testing a machine vision inspection system
US6259827B1 (en) 1996-03-21 2001-07-10 Cognex Corporation Machine vision methods for enhancing the contrast between an object and its background using multiple on-axis images
US6298149B1 (en) 1996-03-21 2001-10-02 Cognex Corporation Semiconductor device image inspection with contrast enhancement
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US5960112A (en) * 1996-11-26 1999-09-28 Wen-Hsing Hsu Method and device for the automatic matching of seal prints
US5953130A (en) * 1997-01-06 1999-09-14 Cognex Corporation Machine vision methods and apparatus for machine vision illumination of an object
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US5974169A (en) * 1997-03-20 1999-10-26 Cognex Corporation Machine vision methods for determining characteristics of an object using boundary points and bounding regions
US6141033A (en) * 1997-05-15 2000-10-31 Cognex Corporation Bandwidth reduction of multichannel images for machine vision
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US6289112B1 (en) * 1997-08-22 2001-09-11 International Business Machines Corporation System and method for determining block direction in fingerprint images
US5978080A (en) * 1997-09-25 1999-11-02 Cognex Corporation Machine vision methods using feedback to determine an orientation, pixel width and pixel height of a field of view
US6025854A (en) * 1997-12-31 2000-02-15 Cognex Corporation Method and apparatus for high speed image acquisition
US6466686B2 (en) * 1998-01-07 2002-10-15 International Business Machines Corporation System and method for transforming fingerprints to improve recognition
US6282328B1 (en) 1998-01-28 2001-08-28 Cognex Corporation Machine vision systems and methods for morphological transformation of an image with non-uniform offsets
US6236769B1 (en) 1998-01-28 2001-05-22 Cognex Corporation Machine vision systems and methods for morphological transformation of an image with zero or other uniform offsets
US6381375B1 (en) 1998-02-20 2002-04-30 Cognex Corporation Methods and apparatus for generating a projection of an image
US6215915B1 (en) 1998-02-20 2001-04-10 Cognex Corporation Image processing methods and apparatus for separable, general affine transformation of an image
US6687402B1 (en) 1998-12-18 2004-02-03 Cognex Corporation Machine vision methods and systems for boundary feature comparison of patterns and images
US6381366B1 (en) 1998-12-18 2002-04-30 Cognex Corporation Machine vision methods and system for boundary point-based comparison of patterns and images
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US7359553B1 (en) * 2001-02-16 2008-04-15 Bio-Key International, Inc. Image identification system
US7164440B2 (en) * 2003-02-28 2007-01-16 Cross Match Technologies, Inc. Dynamic image adaptation method for adjusting the quality of digital prints
US7155040B2 (en) * 2004-06-29 2006-12-26 Bio-Key International, Inc. Generation of quality field information in the context of image processing
US7639861B2 (en) 2005-09-14 2009-12-29 Cognex Technology And Investment Corporation Method and apparatus for backlighting a wafer during alignment
US8111904B2 (en) 2005-10-07 2012-02-07 Cognex Technology And Investment Corp. Methods and apparatus for practical 3D vision system
US8162584B2 (en) 2006-08-23 2012-04-24 Cognex Corporation Method and apparatus for semiconductor wafer alignment
CN104616392B (zh) * 2015-01-30 2018-02-02 华中科技大学 一种基于局部二值模式的纸币鉴伪方法

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US3297993A (en) * 1963-12-19 1967-01-10 Ibm Apparatus for generating information regarding the spatial distribution of a function
US3305835A (en) * 1964-08-28 1967-02-21 Rca Corp Zoning circuits for a character reader
US3699519A (en) * 1971-04-30 1972-10-17 North American Rockwell Fingerprint analysis device
US3771127A (en) * 1972-02-16 1973-11-06 Int Standard Electric Corp Character recognition device

Also Published As

Publication number Publication date
DE2550645A1 (de) 1976-05-20
US3968475A (en) 1976-07-06
JPS5165838A (en) 1976-06-07

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