JPH04432B2 - - Google Patents

Info

Publication number
JPH04432B2
JPH04432B2 JP57065754A JP6575482A JPH04432B2 JP H04432 B2 JPH04432 B2 JP H04432B2 JP 57065754 A JP57065754 A JP 57065754A JP 6575482 A JP6575482 A JP 6575482A JP H04432 B2 JPH04432 B2 JP H04432B2
Authority
JP
Japan
Prior art keywords
video signal
amplitude distribution
conversion
gradation conversion
distribution
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.)
Expired - Lifetime
Application number
JP57065754A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182377A (ja
Inventor
Fumio Nagumo
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 JP57065754A priority Critical patent/JPS58182377A/ja
Publication of JPS58182377A publication Critical patent/JPS58182377A/ja
Publication of JPH04432B2 publication Critical patent/JPH04432B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/202Gamma control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP57065754A 1982-04-20 1982-04-20 ビデオ信号の階調変換方法 Granted JPS58182377A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57065754A JPS58182377A (ja) 1982-04-20 1982-04-20 ビデオ信号の階調変換方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57065754A JPS58182377A (ja) 1982-04-20 1982-04-20 ビデオ信号の階調変換方法

Publications (2)

Publication Number Publication Date
JPS58182377A JPS58182377A (ja) 1983-10-25
JPH04432B2 true JPH04432B2 (enExample) 1992-01-07

Family

ID=13296125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57065754A Granted JPS58182377A (ja) 1982-04-20 1982-04-20 ビデオ信号の階調変換方法

Country Status (1)

Country Link
JP (1) JPS58182377A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139080A (ja) * 1983-12-27 1985-07-23 Canon Inc 画像処理装置
JPS60182434A (ja) * 1984-02-29 1985-09-18 Konishiroku Photo Ind Co Ltd 放射線画像再生装置
JPH0693771B2 (ja) * 1984-10-29 1994-11-16 ソニー株式会社 電子ビ−ム録画装置のビ−ム電流制御回路
JPH05268498A (ja) * 1992-03-24 1993-10-15 Keitaro Sekine 画像信号増幅器

Also Published As

Publication number Publication date
JPS58182377A (ja) 1983-10-25

Similar Documents

Publication Publication Date Title
CN1164086C (zh) 在图象拾取装置中校正亮度分级的方法
US5974190A (en) Photographed image reproducing apparatus
US6967680B1 (en) Method and apparatus for capturing images
US5959696A (en) Dynamic range expanding apparatus of a video image
CN111447425B (zh) 显示方法和显示装置
CN1081870C (zh) 采用量化的均值匹配直方图均衡的图像增强方法和电路
US20070081721A1 (en) Apparatus, method, and program for taking an image, and apparatus, method, and program for processing an image
JP5677113B2 (ja) 画像処理装置
KR100375256B1 (ko) 고휘도색억제회로와그방법
US20040234155A1 (en) Image-processing device, electronic camera, image-processing program, and image-processing method
JP5049490B2 (ja) デジタルカメラ、ゲイン算出装置
JP2007124087A (ja) 撮像装置、階調補正方法及びプログラム
CN1572108A (zh) 显示装置和改变其显示设置的方法
JPH04432B2 (enExample)
US5768442A (en) Digital signal conversion method and apparatus for converting photoelectrically converted video signals
JPH0342554B2 (enExample)
TW202011729A (zh) 影像錄影裝置及影像運算方法
US10230385B2 (en) Analog/digital conversion device and control method therefor
US5383032A (en) Image processing system
EP0290264B1 (en) Video camera
JP2004312269A (ja) 撮像装置におけるガンマ補正装置
JPH0723284A (ja) 自動画質調整装置
JPS63177679A (ja) カラ−映像信号の階調変換回路
JPH0251314B2 (enExample)
JP2002095003A (ja) 電子カメラ