JPH1188687A - 画像処理装置及び画像処理方法 - Google Patents

画像処理装置及び画像処理方法

Info

Publication number
JPH1188687A
JPH1188687A JP9241439A JP24143997A JPH1188687A JP H1188687 A JPH1188687 A JP H1188687A JP 9241439 A JP9241439 A JP 9241439A JP 24143997 A JP24143997 A JP 24143997A JP H1188687 A JPH1188687 A JP H1188687A
Authority
JP
Japan
Prior art keywords
correction
correction information
curve
level
column pixels
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.)
Pending
Application number
JP9241439A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1188687A5 (enExample
Inventor
Yuichi Ikeda
雄一 池田
Nobuatsu Sasanuma
信篤 笹沼
Tetsuya Atsumi
哲也 渥美
Yasuhiro Saito
康弘 齋藤
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP9241439A priority Critical patent/JPH1188687A/ja
Priority to US09/144,449 priority patent/US6535302B1/en
Priority to EP98307084A priority patent/EP0901277B1/en
Priority to DE69827724T priority patent/DE69827724T2/de
Publication of JPH1188687A publication Critical patent/JPH1188687A/ja
Publication of JPH1188687A5 publication Critical patent/JPH1188687A5/ja
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color, Gradation (AREA)
JP9241439A 1997-09-05 1997-09-05 画像処理装置及び画像処理方法 Pending JPH1188687A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9241439A JPH1188687A (ja) 1997-09-05 1997-09-05 画像処理装置及び画像処理方法
US09/144,449 US6535302B1 (en) 1997-09-05 1998-09-01 Image processing apparatus and method
EP98307084A EP0901277B1 (en) 1997-09-05 1998-09-03 Image processing apparatus and method
DE69827724T DE69827724T2 (de) 1997-09-05 1998-09-03 Bildverarbeitungsvorrichtung und -verfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9241439A JPH1188687A (ja) 1997-09-05 1997-09-05 画像処理装置及び画像処理方法

Publications (2)

Publication Number Publication Date
JPH1188687A true JPH1188687A (ja) 1999-03-30
JPH1188687A5 JPH1188687A5 (enExample) 2005-06-09

Family

ID=17074332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9241439A Pending JPH1188687A (ja) 1997-09-05 1997-09-05 画像処理装置及び画像処理方法

Country Status (4)

Country Link
US (1) US6535302B1 (enExample)
EP (1) EP0901277B1 (enExample)
JP (1) JPH1188687A (enExample)
DE (1) DE69827724T2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7324236B2 (en) 2000-02-01 2008-01-29 Canon Kabushiki Kaisha Discrepancy correction method and apparatus for correcting difference in levels of image signals obtained by an image sensor having a multiple output channels
JP3780810B2 (ja) * 2000-03-27 2006-05-31 コニカミノルタビジネステクノロジーズ株式会社 画像処理回路
US7215824B2 (en) * 2002-09-10 2007-05-08 Chui-Kuei Chiu Method for adjusting image data with shading curve
TW562371U (en) * 2002-09-24 2003-11-11 Veutron Corp Carriage device of scanner
US6798422B2 (en) * 2002-11-08 2004-09-28 Samsung Electronics Co., Ltd. Method and filtering system for filtering edge directions
JP5488530B2 (ja) * 2011-05-23 2014-05-14 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
CN112307141B (zh) * 2020-05-14 2022-07-19 浙江大学 一种兼顾数值与距离影响的等高线图可视化方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783838A (en) * 1984-12-26 1988-11-08 Konishiroku Photo Industry Co., Ltd. Image processing method and apparatus therefor
DE3650597T2 (de) 1985-08-15 1997-06-12 Canon Kk Gerät zur Bildererzeugung aus einem digitalen Videosignal
DE68926940T2 (de) * 1988-06-30 1997-01-09 Dainippon Screen Mfg Verfahren zur Erzeugung einer Abstufungskorrekturkurve zur Korrektur des Abstufungscharakters eines Bildes
JPH07121589B2 (ja) 1989-06-08 1995-12-25 三菱電機株式会社 プリンタの記録濃度補正装置
JP2783328B2 (ja) 1989-10-17 1998-08-06 キヤノン株式会社 画像形成装置
US5513016A (en) * 1990-10-19 1996-04-30 Fuji Photo Film Co. Method and apparatus for processing image signal
JP3809226B2 (ja) * 1996-06-06 2006-08-16 富士写真フイルム株式会社 リニアイメージセンサの出力画像信号の補正方法
JP4366489B2 (ja) * 1998-09-09 2009-11-18 フジコピアン株式会社 多階調記録方法

Also Published As

Publication number Publication date
EP0901277A3 (en) 2000-02-23
DE69827724D1 (de) 2004-12-30
EP0901277B1 (en) 2004-11-24
EP0901277A2 (en) 1999-03-10
US6535302B1 (en) 2003-03-18
DE69827724T2 (de) 2005-11-03

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