JPS5374841A - Television signal processor - Google Patents

Television signal processor

Info

Publication number
JPS5374841A
JPS5374841A JP15123376A JP15123376A JPS5374841A JP S5374841 A JPS5374841 A JP S5374841A JP 15123376 A JP15123376 A JP 15123376A JP 15123376 A JP15123376 A JP 15123376A JP S5374841 A JPS5374841 A JP S5374841A
Authority
JP
Japan
Prior art keywords
signal processor
television signal
level
background level
coding
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
JP15123376A
Other languages
Japanese (ja)
Other versions
JPS615197B2 (en
Inventor
Kazumi Yuasa
Tomio Ogawara
Hisaaki Azumaguchi
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Priority to JP51151233A priority Critical patent/JPS615197B2/ja
Publication of JPS5374841A publication Critical patent/JPS5374841A/en
Publication of JPS615197B2 publication Critical patent/JPS615197B2/ja
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the effect caused by the background level, the camera shading, etc. by detecting the difference between the background level and the subject level and coding it into a binary signal.
COPYRIGHT: (C)1978,JPO&Japio
JP51151233A 1976-12-15 1976-12-15 Expired JPS615197B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51151233A JPS615197B2 (en) 1976-12-15 1976-12-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51151233A JPS615197B2 (en) 1976-12-15 1976-12-15

Publications (2)

Publication Number Publication Date
JPS5374841A true JPS5374841A (en) 1978-07-03
JPS615197B2 JPS615197B2 (en) 1986-02-17

Family

ID=15514148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51151233A Expired JPS615197B2 (en) 1976-12-15 1976-12-15

Country Status (1)

Country Link
JP (1) JPS615197B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108080A (en) * 1979-02-14 1980-08-19 Hitachi Ltd Photo electric conversion unit
JPS5689126A (en) * 1979-12-21 1981-07-20 Fuji Electric Co Ltd Binary circuit
JP2010191952A (en) * 2009-01-22 2010-09-02 Canon Inc Apparatus and method for performing shading correction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108080A (en) * 1979-02-14 1980-08-19 Hitachi Ltd Photo electric conversion unit
JPH0130341B2 (en) * 1979-02-14 1989-06-19 Hitachi Ltd
JPS5689126A (en) * 1979-12-21 1981-07-20 Fuji Electric Co Ltd Binary circuit
JP2010191952A (en) * 2009-01-22 2010-09-02 Canon Inc Apparatus and method for performing shading correction

Also Published As

Publication number Publication date
JPS615197B2 (en) 1986-02-17

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