JPH0472219B2 - - Google Patents

Info

Publication number
JPH0472219B2
JPH0472219B2 JP55155223A JP15522380A JPH0472219B2 JP H0472219 B2 JPH0472219 B2 JP H0472219B2 JP 55155223 A JP55155223 A JP 55155223A JP 15522380 A JP15522380 A JP 15522380A JP H0472219 B2 JPH0472219 B2 JP H0472219B2
Authority
JP
Japan
Prior art keywords
signal
hue
image
measured
tone
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
JP55155223A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5779944A (en
Inventor
Tamotsu Matsumoto
Yoshifumi Umehara
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.)
Nireco Corp
Original Assignee
Nireco 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 Nireco Corp filed Critical Nireco Corp
Priority to JP55155223A priority Critical patent/JPS5779944A/ja
Priority to US06/317,113 priority patent/US4470702A/en
Publication of JPS5779944A publication Critical patent/JPS5779944A/ja
Publication of JPH0472219B2 publication Critical patent/JPH0472219B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • H04N1/622—Retouching, i.e. modification of isolated colours only or in isolated picture areas only with simulation on a subsidiary picture reproducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Color Television Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Spectrometry And Color Measurement (AREA)
JP55155223A 1980-11-06 1980-11-06 Detector for equal color tone region Granted JPS5779944A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55155223A JPS5779944A (en) 1980-11-06 1980-11-06 Detector for equal color tone region
US06/317,113 US4470702A (en) 1980-11-06 1981-11-02 Equivalent tone region detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55155223A JPS5779944A (en) 1980-11-06 1980-11-06 Detector for equal color tone region

Publications (2)

Publication Number Publication Date
JPS5779944A JPS5779944A (en) 1982-05-19
JPH0472219B2 true JPH0472219B2 (enExample) 1992-11-17

Family

ID=15601210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55155223A Granted JPS5779944A (en) 1980-11-06 1980-11-06 Detector for equal color tone region

Country Status (2)

Country Link
US (1) US4470702A (enExample)
JP (1) JPS5779944A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642681A (en) * 1982-10-08 1987-02-10 Canon Kabushiki Kaisha Color image processing apparatus for generating color output signals and a black output signal in a mutually exclusive manner
FR2542540B1 (fr) * 1983-03-08 1989-02-10 Canon Kk Systeme de traitement d'images
DE3509900A1 (de) * 1984-03-19 1985-10-17 Konishiroku Photo Industry Co., Ltd., Tokio/Tokyo Verfahren und vorrichtung zum erzeugen eines farbbilds
JPS6252675A (ja) * 1985-08-31 1987-03-07 Nireko:Kk 特定色領域抽出方法
JPH02194479A (ja) * 1989-01-24 1990-08-01 Omron Tateisi Electron Co 画像処理装置
US5339963A (en) * 1992-03-06 1994-08-23 Agri-Tech, Incorporated Method and apparatus for sorting objects by color
US5533628A (en) * 1992-03-06 1996-07-09 Agri Tech Incorporated Method and apparatus for sorting objects by color including stable color transformation
US5813542A (en) * 1996-04-05 1998-09-29 Allen Machinery, Inc. Color sorting method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576461A (en) * 1977-02-01 1980-10-08 Quantel Ltd Control arrangement for video synchronisers
DE2747527A1 (de) * 1977-10-22 1979-04-26 Agfa Gevaert Ag Verfahren und vorrichtung zum bestimmen der kopierlichtmengen beim kopieren von farbvorlagen
US4183045A (en) * 1978-08-30 1980-01-08 Rca Corporation Chroma keying selector system
JPS5684528A (en) * 1979-12-13 1981-07-09 Toshiba Corp Hue-discriminating device

Also Published As

Publication number Publication date
US4470702A (en) 1984-09-11
JPS5779944A (en) 1982-05-19

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