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JPS5411625A - Processing system for video signal - Google Patents

Processing system for video signal

Info

Publication number
JPS5411625A
JPS5411625A JP7627877A JP7627877A JPS5411625A JP S5411625 A JPS5411625 A JP S5411625A JP 7627877 A JP7627877 A JP 7627877A JP 7627877 A JP7627877 A JP 7627877A JP S5411625 A JPS5411625 A JP S5411625A
Authority
JP
Japan
Prior art keywords
video signal
processing system
signal
white
value
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
JP7627877A
Other languages
Japanese (ja)
Other versions
JPS5831148B2 (en
Inventor
Shuichi Takahashi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP52076278A priority Critical patent/JPS5831148B2/en
Publication of JPS5411625A publication Critical patent/JPS5411625A/en
Publication of JPS5831148B2 publication Critical patent/JPS5831148B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Character Input (AREA)

Abstract

PURPOSE: To correctly read in the original and to convert it into binary signal, by developing discrimination signal for black or white and forming binary signal through the relation between the instantaneous value of video signal and the peak value of white or black immediately before the value.
COPYRIGHT: (C)1979,JPO&Japio
JP52076278A 1977-06-27 1977-06-27 Video signal processing method Expired JPS5831148B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52076278A JPS5831148B2 (en) 1977-06-27 1977-06-27 Video signal processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52076278A JPS5831148B2 (en) 1977-06-27 1977-06-27 Video signal processing method

Publications (2)

Publication Number Publication Date
JPS5411625A true JPS5411625A (en) 1979-01-27
JPS5831148B2 JPS5831148B2 (en) 1983-07-04

Family

ID=13600796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52076278A Expired JPS5831148B2 (en) 1977-06-27 1977-06-27 Video signal processing method

Country Status (1)

Country Link
JP (1) JPS5831148B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780967U (en) * 1980-11-05 1982-05-19
JPH0652357A (en) * 1992-07-31 1994-02-25 Sumitomo Metal Ind Ltd Method and device for character recognition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780967U (en) * 1980-11-05 1982-05-19
JPH0652357A (en) * 1992-07-31 1994-02-25 Sumitomo Metal Ind Ltd Method and device for character recognition

Also Published As

Publication number Publication date
JPS5831148B2 (en) 1983-07-04

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