JPH0141060B2 - - Google Patents

Info

Publication number
JPH0141060B2
JPH0141060B2 JP57062125A JP6212582A JPH0141060B2 JP H0141060 B2 JPH0141060 B2 JP H0141060B2 JP 57062125 A JP57062125 A JP 57062125A JP 6212582 A JP6212582 A JP 6212582A JP H0141060 B2 JPH0141060 B2 JP H0141060B2
Authority
JP
Japan
Prior art keywords
signal
signals
color separation
digital
hue
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
Application number
JP57062125A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58178355A (ja
Inventor
Tadashi Myagawa
Osamu Shimazaki
Hisashi Kudo
Hideaki Kimura
Hitoshi Urabe
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP57062125A priority Critical patent/JPS58178355A/ja
Priority to GB08310010A priority patent/GB2119600B/en
Priority to DE3313392A priority patent/DE3313392A1/de
Publication of JPS58178355A publication Critical patent/JPS58178355A/ja
Priority to US06/906,694 priority patent/US4845550A/en
Publication of JPH0141060B2 publication Critical patent/JPH0141060B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6027Correction or control of colour gradation or colour contrast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6075Corrections to the hue
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6077Colour balance, e.g. colour cast correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
JP57062125A 1982-04-14 1982-04-14 デイジタル色修正方式及び装置 Granted JPS58178355A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57062125A JPS58178355A (ja) 1982-04-14 1982-04-14 デイジタル色修正方式及び装置
GB08310010A GB2119600B (en) 1982-04-14 1983-04-13 Method and apparatus for digital color correction
DE3313392A DE3313392A1 (de) 1982-04-14 1983-04-13 Verfahren und vorrichtung zur digitalen farbkorrektur
US06/906,694 US4845550A (en) 1982-04-14 1986-09-11 Method and apparatus for processing picture image signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57062125A JPS58178355A (ja) 1982-04-14 1982-04-14 デイジタル色修正方式及び装置

Publications (2)

Publication Number Publication Date
JPS58178355A JPS58178355A (ja) 1983-10-19
JPH0141060B2 true JPH0141060B2 (enrdf_load_stackoverflow) 1989-09-01

Family

ID=13191028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57062125A Granted JPS58178355A (ja) 1982-04-14 1982-04-14 デイジタル色修正方式及び装置

Country Status (1)

Country Link
JP (1) JPS58178355A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60236578A (ja) * 1984-05-10 1985-11-25 Fuji Xerox Co Ltd カラ−濃度補正装置
JPS62163181A (ja) * 1986-01-14 1987-07-18 Canon Inc 画像処理回路
JP2592796B2 (ja) * 1986-01-14 1997-03-19 キヤノン株式会社 カラー画像処理装置
US4887150A (en) * 1987-03-16 1989-12-12 Mitsubishi Denki Kabushiki Kaisha Device for converting video image signals to printing data signals
JP2686258B2 (ja) * 1987-05-25 1997-12-08 株式会社リコー 画像データ処理装置
JPH06101790B2 (ja) * 1989-01-27 1994-12-12 三菱電機株式会社 色補正方法
JP2626093B2 (ja) * 1989-11-13 1997-07-02 日本電気株式会社 色信号変換回路

Also Published As

Publication number Publication date
JPS58178355A (ja) 1983-10-19

Similar Documents

Publication Publication Date Title
US5162899A (en) Color data correction apparatus ultilizing neural network
US4845550A (en) Method and apparatus for processing picture image signals
US5149960A (en) Method of converting scanner signals into colorimetric signals
US4060829A (en) Method of color correction
JP3472312B2 (ja) カラー画像処理方法および装置
US4481532A (en) Method of determining and storing color printing information
US4841362A (en) Apparatus for generating positive or negative image output signals from either positive or negative originals
EP0487304B1 (en) Color image processing
US4127871A (en) Method of color correction including transforming co-ordinate systems of color separation signals
US5278640A (en) Color modification utilizing two coefficients
EP0173032A2 (en) Digital Color-Image Transformation
US4573071A (en) Method and system for displaying a color image simulating a multi-color printed matter on a screen
JP3083067B2 (ja) 色変換係数決定方法及び装置
US4349835A (en) Color printing process simulator
US4965664A (en) Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component
JPH0141060B2 (enrdf_load_stackoverflow)
JPH04304775A (ja) カラー画像信号の色修正方法
US5299034A (en) Image processing apparatus and image processing method for reproducing a color image from color signals having different phases
EP0131430B1 (en) Image processing apparatus
JPH06121160A (ja) 色補正回路
JPH0448209B2 (enrdf_load_stackoverflow)
JPH0223776A (ja) 色修正データ算出装置
JP2001008045A (ja) 色信号処理装置
KR840001217B1 (ko) 디지탈 컬러제어에 있어서의 마스킹 연산방법
JPS6113259A (ja) カラ−画像処理方法