JPH0516621B2 - - Google Patents

Info

Publication number
JPH0516621B2
JPH0516621B2 JP59181108A JP18110884A JPH0516621B2 JP H0516621 B2 JPH0516621 B2 JP H0516621B2 JP 59181108 A JP59181108 A JP 59181108A JP 18110884 A JP18110884 A JP 18110884A JP H0516621 B2 JPH0516621 B2 JP H0516621B2
Authority
JP
Japan
Prior art keywords
line
center
pattern
fingerprint
determining
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
JP59181108A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6159583A (ja
Inventor
Koichiro Morita
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59181108A priority Critical patent/JPS6159583A/ja
Priority to EP85110909A priority patent/EP0173972B1/de
Priority to DE8585110909T priority patent/DE3581865D1/de
Priority to US06/770,510 priority patent/US4827527A/en
Publication of JPS6159583A publication Critical patent/JPS6159583A/ja
Publication of JPH0516621B2 publication Critical patent/JPH0516621B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
JP59181108A 1984-08-30 1984-08-30 図形中心位置決定装置 Granted JPS6159583A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59181108A JPS6159583A (ja) 1984-08-30 1984-08-30 図形中心位置決定装置
EP85110909A EP0173972B1 (de) 1984-08-30 1985-08-29 Vorverarbeitungssystem für die Vorverarbeitung einer Folge von Bildpunkten vor der Identifikation
DE8585110909T DE3581865D1 (de) 1984-08-30 1985-08-29 Vorverarbeitungssystem fuer die vorverarbeitung einer folge von bildpunkten vor der identifikation.
US06/770,510 US4827527A (en) 1984-08-30 1985-08-29 Pre-processing system for pre-processing an image signal succession prior to identification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59181108A JPS6159583A (ja) 1984-08-30 1984-08-30 図形中心位置決定装置

Publications (2)

Publication Number Publication Date
JPS6159583A JPS6159583A (ja) 1986-03-27
JPH0516621B2 true JPH0516621B2 (de) 1993-03-04

Family

ID=16094986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59181108A Granted JPS6159583A (ja) 1984-08-30 1984-08-30 図形中心位置決定装置

Country Status (1)

Country Link
JP (1) JPS6159583A (de)

Also Published As

Publication number Publication date
JPS6159583A (ja) 1986-03-27

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term