JPS60216350A - 階調変換テ−ブル自動修正方法 - Google Patents

階調変換テ−ブル自動修正方法

Info

Publication number
JPS60216350A
JPS60216350A JP59073824A JP7382484A JPS60216350A JP S60216350 A JPS60216350 A JP S60216350A JP 59073824 A JP59073824 A JP 59073824A JP 7382484 A JP7382484 A JP 7382484A JP S60216350 A JPS60216350 A JP S60216350A
Authority
JP
Japan
Prior art keywords
color
gray
gradation conversion
conversion table
input
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
JP59073824A
Other languages
English (en)
Japanese (ja)
Other versions
JPH056825B2 (enrdf_load_stackoverflow
Inventor
Takao Shigaki
卓男 紫垣
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 JP59073824A priority Critical patent/JPS60216350A/ja
Publication of JPS60216350A publication Critical patent/JPS60216350A/ja
Publication of JPH056825B2 publication Critical patent/JPH056825B2/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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
JP59073824A 1984-04-12 1984-04-12 階調変換テ−ブル自動修正方法 Granted JPS60216350A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59073824A JPS60216350A (ja) 1984-04-12 1984-04-12 階調変換テ−ブル自動修正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59073824A JPS60216350A (ja) 1984-04-12 1984-04-12 階調変換テ−ブル自動修正方法

Publications (2)

Publication Number Publication Date
JPS60216350A true JPS60216350A (ja) 1985-10-29
JPH056825B2 JPH056825B2 (enrdf_load_stackoverflow) 1993-01-27

Family

ID=13529284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59073824A Granted JPS60216350A (ja) 1984-04-12 1984-04-12 階調変換テ−ブル自動修正方法

Country Status (1)

Country Link
JP (1) JPS60216350A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769696A (en) * 1986-05-01 1988-09-06 Toppan Printing Co., Ltd. Scanner set-up simulation apparatus
US4893180A (en) * 1985-11-09 1990-01-09 Fuji Photo Film Co., Ltd. Color image signal processing method
US4928167A (en) * 1986-09-02 1990-05-22 Fuji Photo Film Co., Ltd. Method of and apparatus for executing tone correction on an image according to a correction level
JPH06292011A (ja) * 1992-08-13 1994-10-18 Seikosha Co Ltd 画像読取り処理装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893180A (en) * 1985-11-09 1990-01-09 Fuji Photo Film Co., Ltd. Color image signal processing method
US4769696A (en) * 1986-05-01 1988-09-06 Toppan Printing Co., Ltd. Scanner set-up simulation apparatus
US4928167A (en) * 1986-09-02 1990-05-22 Fuji Photo Film Co., Ltd. Method of and apparatus for executing tone correction on an image according to a correction level
JPH06292011A (ja) * 1992-08-13 1994-10-18 Seikosha Co Ltd 画像読取り処理装置

Also Published As

Publication number Publication date
JPH056825B2 (enrdf_load_stackoverflow) 1993-01-27

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees