JPS53130935A - Pattern recognition unit - Google Patents

Pattern recognition unit

Info

Publication number
JPS53130935A
JPS53130935A JP4449177A JP4449177A JPS53130935A JP S53130935 A JPS53130935 A JP S53130935A JP 4449177 A JP4449177 A JP 4449177A JP 4449177 A JP4449177 A JP 4449177A JP S53130935 A JPS53130935 A JP S53130935A
Authority
JP
Japan
Prior art keywords
recognition unit
pattern recognition
parts
black parts
white
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
JP4449177A
Other languages
Japanese (ja)
Other versions
JPS581823B2 (en
Inventor
Shigeaki Nakajima
Kiyoshi Nakagawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP52044491A priority Critical patent/JPS581823B2/en
Publication of JPS53130935A publication Critical patent/JPS53130935A/en
Publication of JPS581823B2 publication Critical patent/JPS581823B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Image Analysis (AREA)
  • Image Input (AREA)

Abstract

PURPOSE: To enable to recognize patterns accurately, by surely detecting white points existed in black parts and black parts in existence of white parts, through automatic change of the threshold value as a basis of the detection depending on the back in which a minimum point is present.
COPYRIGHT: (C)1978,JPO&Japio
JP52044491A 1977-04-20 1977-04-20 pattern recognition device Expired JPS581823B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52044491A JPS581823B2 (en) 1977-04-20 1977-04-20 pattern recognition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52044491A JPS581823B2 (en) 1977-04-20 1977-04-20 pattern recognition device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP58183017A Division JPS5998284A (en) 1983-10-03 1983-10-03 Pattern recognizing method
JP58183018A Division JPS5998285A (en) 1983-10-03 1983-10-03 Binary circuit

Publications (2)

Publication Number Publication Date
JPS53130935A true JPS53130935A (en) 1978-11-15
JPS581823B2 JPS581823B2 (en) 1983-01-13

Family

ID=12693011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52044491A Expired JPS581823B2 (en) 1977-04-20 1977-04-20 pattern recognition device

Country Status (1)

Country Link
JP (1) JPS581823B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680783A (en) * 1979-12-04 1981-07-02 Nippon Kogaku Kk <Nikon> Binary-coding circuit
JPS59170974A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Testing device of pattern defect

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680783A (en) * 1979-12-04 1981-07-02 Nippon Kogaku Kk <Nikon> Binary-coding circuit
JPS59170974A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Testing device of pattern defect

Also Published As

Publication number Publication date
JPS581823B2 (en) 1983-01-13

Similar Documents

Publication Publication Date Title
JPS51117538A (en) Object image recognizing method and device
JPS5291331A (en) Pattern position detector
JPS53130935A (en) Pattern recognition unit
JPS54935A (en) Pattern detector
JPS5416934A (en) End point detection system
JPS5290235A (en) Particular pattern extracting unit
JPS5380922A (en) Pattern recognition device
JPS5363927A (en) Discrimination logical circuit
JPS53122365A (en) Hole detection and control system for ic insertor
JPS52124814A (en) Detection unit of minute pattern
JPS549532A (en) Pattern recognition device
JPS53138119A (en) Sliding or idling wheel detector
JPS52150942A (en) Comparison/collation method for characters or patterns
JPS5399715A (en) Video signal processing circuit
JPS5443033A (en) Paper detecting method
JPS5416124A (en) Detection system for print completion
JPS53137629A (en) Check circuit for paper running
JPS5277538A (en) Controlling method for light pen position detection
JPS5312577A (en) Apparatus for preventing double-beating of press
JPS538173A (en) Peak point detection circuit
JPS53524A (en) Optically-guided unmanned vehicle
JPS5429522A (en) Mark recognition circuit
JPS52144234A (en) Pattern recognition device
JPS5280184A (en) System for detecting noise pulses
JPS53137634A (en) Detection system for character frame