JPS5297298A - Direction determining system for stripes - Google Patents

Direction determining system for stripes

Info

Publication number
JPS5297298A
JPS5297298A JP15875575A JP15875575A JPS5297298A JP S5297298 A JPS5297298 A JP S5297298A JP 15875575 A JP15875575 A JP 15875575A JP 15875575 A JP15875575 A JP 15875575A JP S5297298 A JPS5297298 A JP S5297298A
Authority
JP
Japan
Prior art keywords
stripes
determining system
direction determining
fingerprints
stripe patterns
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.)
Granted
Application number
JP15875575A
Other languages
Japanese (ja)
Other versions
JPS5927945B2 (en
Inventor
Hiroshi 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
Nippon Electric Co Ltd
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, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50158755A priority Critical patent/JPS5927945B2/en
Publication of JPS5297298A publication Critical patent/JPS5297298A/en
Publication of JPS5927945B2 publication Critical patent/JPS5927945B2/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Collating Specific Patterns (AREA)

Abstract

PURPOSE:To provide a direction determining system, in which the direction of stripe patterns of fingerprints or the like is electronically detected.
JP50158755A 1975-12-29 1975-12-29 Shimamon Youhohou Koketsutei Souchi Expired JPS5927945B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50158755A JPS5927945B2 (en) 1975-12-29 1975-12-29 Shimamon Youhohou Koketsutei Souchi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50158755A JPS5927945B2 (en) 1975-12-29 1975-12-29 Shimamon Youhohou Koketsutei Souchi

Publications (2)

Publication Number Publication Date
JPS5297298A true JPS5297298A (en) 1977-08-15
JPS5927945B2 JPS5927945B2 (en) 1984-07-09

Family

ID=15678620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50158755A Expired JPS5927945B2 (en) 1975-12-29 1975-12-29 Shimamon Youhohou Koketsutei Souchi

Country Status (1)

Country Link
JP (1) JPS5927945B2 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229028A2 (en) * 1986-01-07 1987-07-15 Printrak International Incorporated A method and apparatus for contextual data enhancement
JPH01271885A (en) * 1988-04-23 1989-10-30 Nippon Denki Sekiyuritei Syst Kk Direction curvature extracting system for curved striped pattern
EP0470530A2 (en) * 1990-08-07 1992-02-12 Yozan Inc. Fingerprint verification method
EP2107501A1 (en) 2008-03-25 2009-10-07 Nec Corporation Ridge direction extracting device, ridge direction extracting program, and ridge direction extracting method
US7856127B2 (en) 2005-08-30 2010-12-21 Nec Corporation Ridge direction extraction device, ridge direction extraction method, ridge direction extraction program
US7885437B2 (en) 2006-02-27 2011-02-08 Nec Corporation Fingerprint collation apparatus, fingerprint pattern area extracting apparatus and quality judging apparatus, and method and program of the same
WO2011089813A1 (en) 2010-01-20 2011-07-28 日本電気株式会社 Image processing device
US8014574B2 (en) 2006-09-04 2011-09-06 Nec Corporation Character noise eliminating apparatus, character noise eliminating method, and character noise eliminating program
WO2013027572A1 (en) 2011-08-23 2013-02-28 日本電気株式会社 Ridge direction extraction device, ridge direction extraction method, and ridge direction extraction program

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229028A2 (en) * 1986-01-07 1987-07-15 Printrak International Incorporated A method and apparatus for contextual data enhancement
JPH01271885A (en) * 1988-04-23 1989-10-30 Nippon Denki Sekiyuritei Syst Kk Direction curvature extracting system for curved striped pattern
EP0470530A2 (en) * 1990-08-07 1992-02-12 Yozan Inc. Fingerprint verification method
US7856127B2 (en) 2005-08-30 2010-12-21 Nec Corporation Ridge direction extraction device, ridge direction extraction method, ridge direction extraction program
US7885437B2 (en) 2006-02-27 2011-02-08 Nec Corporation Fingerprint collation apparatus, fingerprint pattern area extracting apparatus and quality judging apparatus, and method and program of the same
US8014574B2 (en) 2006-09-04 2011-09-06 Nec Corporation Character noise eliminating apparatus, character noise eliminating method, and character noise eliminating program
EP2107501A1 (en) 2008-03-25 2009-10-07 Nec Corporation Ridge direction extracting device, ridge direction extracting program, and ridge direction extracting method
WO2011089813A1 (en) 2010-01-20 2011-07-28 日本電気株式会社 Image processing device
US8995730B2 (en) 2010-01-20 2015-03-31 Nec Solutions Innovators, Ltd. Image processing apparatus for analyzing and enhancing fingerprint images
WO2013027572A1 (en) 2011-08-23 2013-02-28 日本電気株式会社 Ridge direction extraction device, ridge direction extraction method, and ridge direction extraction program
US9014437B2 (en) 2011-08-23 2015-04-21 Nec Corporation Ridge direction extraction device, ridge direction extraction method, and ridge direction extraction program

Also Published As

Publication number Publication date
JPS5927945B2 (en) 1984-07-09

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