JPS58186291A - カラ−ビデオ信号の階調変換方法 - Google Patents

カラ−ビデオ信号の階調変換方法

Info

Publication number
JPS58186291A
JPS58186291A JP57068429A JP6842982A JPS58186291A JP S58186291 A JPS58186291 A JP S58186291A JP 57068429 A JP57068429 A JP 57068429A JP 6842982 A JP6842982 A JP 6842982A JP S58186291 A JPS58186291 A JP S58186291A
Authority
JP
Japan
Prior art keywords
value
data
gamma
gradation
contrast
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
JP57068429A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0342554B2 (enExample
Inventor
Fumio Nagumo
名雲　文男
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP57068429A priority Critical patent/JPS58186291A/ja
Publication of JPS58186291A publication Critical patent/JPS58186291A/ja
Publication of JPH0342554B2 publication Critical patent/JPH0342554B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/86—Camera processing pipelines; Components thereof for processing colour signals for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP57068429A 1982-04-23 1982-04-23 カラ−ビデオ信号の階調変換方法 Granted JPS58186291A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57068429A JPS58186291A (ja) 1982-04-23 1982-04-23 カラ−ビデオ信号の階調変換方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57068429A JPS58186291A (ja) 1982-04-23 1982-04-23 カラ−ビデオ信号の階調変換方法

Publications (2)

Publication Number Publication Date
JPS58186291A true JPS58186291A (ja) 1983-10-31
JPH0342554B2 JPH0342554B2 (enExample) 1991-06-27

Family

ID=13373437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57068429A Granted JPS58186291A (ja) 1982-04-23 1982-04-23 カラ−ビデオ信号の階調変換方法

Country Status (1)

Country Link
JP (1) JPS58186291A (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6163181A (ja) * 1984-09-05 1986-04-01 Canon Inc ガンマ変換回路
JPS6163182A (ja) * 1984-09-05 1986-04-01 Canon Inc ガンマ変換回路
JPS61214863A (ja) * 1985-03-21 1986-09-24 Canon Inc 階調補正方法
JPS6297474A (ja) * 1985-10-23 1987-05-06 Toshiba Corp 画像処理装置
JPS6390965A (ja) * 1986-10-06 1988-04-21 Nippon Telegr & Teleph Corp <Ntt> Ｃｒｔデイスプレイ回路
US4866513A (en) * 1985-07-04 1989-09-12 Fuji Photo Film Co., Ltd. Color contrast correction system for video images obtained from color film
JPH0698172A (ja) * 1992-12-11 1994-04-08 Nikon Corp 画像読み取り装置
KR100475285B1 (ko) * 1997-12-24 2005-06-07 삼성테크윈 주식회사 광원에 따라 컨트라스트를 보정하는 디지탈 스틸카메라

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6163181A (ja) * 1984-09-05 1986-04-01 Canon Inc ガンマ変換回路
JPS6163182A (ja) * 1984-09-05 1986-04-01 Canon Inc ガンマ変換回路
JPS61214863A (ja) * 1985-03-21 1986-09-24 Canon Inc 階調補正方法
US4866513A (en) * 1985-07-04 1989-09-12 Fuji Photo Film Co., Ltd. Color contrast correction system for video images obtained from color film
JPS6297474A (ja) * 1985-10-23 1987-05-06 Toshiba Corp 画像処理装置
JPS6390965A (ja) * 1986-10-06 1988-04-21 Nippon Telegr & Teleph Corp <Ntt> Ｃｒｔデイスプレイ回路
JPH0698172A (ja) * 1992-12-11 1994-04-08 Nikon Corp 画像読み取り装置
KR100475285B1 (ko) * 1997-12-24 2005-06-07 삼성테크윈 주식회사 광원에 따라 컨트라스트를 보정하는 디지탈 스틸카메라

Also Published As

Publication number Publication date
JPH0342554B2 (enExample) 1991-06-27

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