JPS51116611A - Binary threshold decision circuit system - Google Patents

Binary threshold decision circuit system

Info

Publication number
JPS51116611A
JPS51116611A JP50041330A JP4133075A JPS51116611A JP S51116611 A JPS51116611 A JP S51116611A JP 50041330 A JP50041330 A JP 50041330A JP 4133075 A JP4133075 A JP 4133075A JP S51116611 A JPS51116611 A JP S51116611A
Authority
JP
Japan
Prior art keywords
circuit system
decision circuit
binary threshold
threshold decision
binary
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
JP50041330A
Other languages
Japanese (ja)
Inventor
Masayoshi Kameyama
Kazuo Ichino
Seiji Kashioka
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 JP50041330A priority Critical patent/JPS51116611A/en
Publication of JPS51116611A publication Critical patent/JPS51116611A/en
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

PURPOSE: To obtain stable binary signals without adjustment for a long time by determining a binary signal mean average of picture signals of a normal subject and by assigning this value as the binary threshold of a real subject.
COPYRIGHT: (C)1976,JPO&Japio
JP50041330A 1975-04-07 1975-04-07 Binary threshold decision circuit system Pending JPS51116611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50041330A JPS51116611A (en) 1975-04-07 1975-04-07 Binary threshold decision circuit system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50041330A JPS51116611A (en) 1975-04-07 1975-04-07 Binary threshold decision circuit system

Publications (1)

Publication Number Publication Date
JPS51116611A true JPS51116611A (en) 1976-10-14

Family

ID=12605495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50041330A Pending JPS51116611A (en) 1975-04-07 1975-04-07 Binary threshold decision circuit system

Country Status (1)

Country Link
JP (1) JPS51116611A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02210963A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor
JPH02210961A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor
JPH02210959A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02210963A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor
JPH02210961A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor
JPH02210959A (en) * 1989-02-10 1990-08-22 Canon Inc Picture processor

Similar Documents

Publication Publication Date Title
JPS5340211A (en) Video signal processing circuit
JPS5230319A (en) Compensation circuit of digital type gamma
JPS546725A (en) Level detection circuit for burst signal
JPS5242014A (en) Run length code processing method for facsimile signal
JPS51116611A (en) Binary threshold decision circuit system
JPS53136424A (en) Correlative processing system for picture signal
JPS5313821A (en) Picture signal processing circuit
JPS52115614A (en) Threshold value setting method for binary circuit
JPS526414A (en) Colour picture signal reproducer
JPS5231608A (en) Picture signal quantization system
JPS5225531A (en) Integration type floating comparator
JPS51130146A (en) Dc control type output level adjustment circuit
JPS5358723A (en) Noise elimination circuit
JPS52120613A (en) Video signal processing circuit
JPS51134557A (en) Automatic video signal contrast and brightness adjustment
JPS5383515A (en) Quantization circuit for picture signal
JPS5225610A (en) Dropout compensation circuit
JPS51120117A (en) Circuit system for binary-coding video signals
JPS5283122A (en) Image signal processing circuit
JPS52116113A (en) Tv picture receiver
JPS53126213A (en) Discriminating circuit for vir signal
JPS5313338A (en) Digital delay circuit
JPS526415A (en) Colour picture signal reproducer
JPS5317309A (en) Video signal recorder
JPS51123513A (en) Video signal processing circuit