JPS51147219A - Pattern recognition device - Google Patents

Pattern recognition device

Info

Publication number
JPS51147219A
JPS51147219A JP50070801A JP7080175A JPS51147219A JP S51147219 A JPS51147219 A JP S51147219A JP 50070801 A JP50070801 A JP 50070801A JP 7080175 A JP7080175 A JP 7080175A JP S51147219 A JPS51147219 A JP S51147219A
Authority
JP
Japan
Prior art keywords
recognition device
pattern recognition
wherby
scanned
camera
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.)
Pending
Application number
JP50070801A
Other languages
Japanese (ja)
Inventor
Mitsuyoshi Koizumi
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 JP50070801A priority Critical patent/JPS51147219A/en
Publication of JPS51147219A publication Critical patent/JPS51147219A/en
Pending legal-status Critical Current

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  • Image Input (AREA)

Abstract

PURPOSE: A controlling device of threshold value voltage wherby an object can be correctly provided with two-value quantum in the variation of output level due to changes of an illuminating light when the object is scanned by a TV camera, etc.
COPYRIGHT: (C)1976,JPO&Japio
JP50070801A 1975-06-13 1975-06-13 Pattern recognition device Pending JPS51147219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50070801A JPS51147219A (en) 1975-06-13 1975-06-13 Pattern recognition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50070801A JPS51147219A (en) 1975-06-13 1975-06-13 Pattern recognition device

Publications (1)

Publication Number Publication Date
JPS51147219A true JPS51147219A (en) 1976-12-17

Family

ID=13442001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50070801A Pending JPS51147219A (en) 1975-06-13 1975-06-13 Pattern recognition device

Country Status (1)

Country Link
JP (1) JPS51147219A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136284A (en) * 1982-01-08 1982-08-23 Toshiba Corp Optical character reader
JPS58114179A (en) * 1981-12-26 1983-07-07 Fujitsu Ltd Signal binary coded circuit
JPS59111579A (en) * 1982-12-17 1984-06-27 Fujitsu Ltd Threshold level controlling system in case of detection of pattern position
JPS62109185A (en) * 1985-11-07 1987-05-20 Nec Corp Position detector
JPS62282387A (en) * 1986-05-30 1987-12-08 Matsushita Electric Ind Co Ltd Threshold control method
JPH03226875A (en) * 1990-01-31 1991-10-07 Shinei Denki Seisakusho:Kk Picture processor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114179A (en) * 1981-12-26 1983-07-07 Fujitsu Ltd Signal binary coded circuit
JPS57136284A (en) * 1982-01-08 1982-08-23 Toshiba Corp Optical character reader
JPS59111579A (en) * 1982-12-17 1984-06-27 Fujitsu Ltd Threshold level controlling system in case of detection of pattern position
JPS62109185A (en) * 1985-11-07 1987-05-20 Nec Corp Position detector
JPS62282387A (en) * 1986-05-30 1987-12-08 Matsushita Electric Ind Co Ltd Threshold control method
JPH03226875A (en) * 1990-01-31 1991-10-07 Shinei Denki Seisakusho:Kk Picture processor

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