CN1146757C - 图像处理方法和图像处理装置 - Google Patents

图像处理方法和图像处理装置 Download PDF

Info

Publication number
CN1146757C
CN1146757C CNB971230234A CN97123023A CN1146757C CN 1146757 C CN1146757 C CN 1146757C CN B971230234 A CNB971230234 A CN B971230234A CN 97123023 A CN97123023 A CN 97123023A CN 1146757 C CN1146757 C CN 1146757C
Authority
CN
China
Prior art keywords
image
unit
image information
frequency
reference value
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 - Fee Related
Application number
CNB971230234A
Other languages
English (en)
Chinese (zh)
Other versions
CN1188261A (zh
Inventor
金盛惠子
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of CN1188261A publication Critical patent/CN1188261A/zh
Application granted granted Critical
Publication of CN1146757C publication Critical patent/CN1146757C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
    • 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
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
CNB971230234A 1996-11-28 1997-11-27 图像处理方法和图像处理装置 Expired - Fee Related CN1146757C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31777496A JP3779400B2 (ja) 1996-11-28 1996-11-28 画像処理方法
JP317774/96 1996-11-28
JP317774/1996 1996-11-28

Publications (2)

Publication Number Publication Date
CN1188261A CN1188261A (zh) 1998-07-22
CN1146757C true CN1146757C (zh) 2004-04-21

Family

ID=18091908

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB971230234A Expired - Fee Related CN1146757C (zh) 1996-11-28 1997-11-27 图像处理方法和图像处理装置

Country Status (5)

Country Link
US (1) US6028958A (enExample)
EP (1) EP0845716B1 (enExample)
JP (1) JP3779400B2 (enExample)
CN (1) CN1146757C (enExample)
DE (1) DE69713473T2 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4097800B2 (ja) 1998-09-07 2008-06-11 株式会社東芝 画像処理方法および画像処理装置
WO2000052922A1 (fr) * 1999-03-02 2000-09-08 Seiko Epson Corporation Dispositif et procede permettant d'evaluer l'arriere-plan de donnees d'image, et support d'enregistrement destine au programme de commande de l'evaluation de l'arriere-plan de donnees d'image
JP3325243B2 (ja) 1999-09-20 2002-09-17 京セラミタ株式会社 画像処理装置
US6993719B1 (en) 2000-02-11 2006-01-31 Sony Corporation System and method for animated character photo-editing interface and cross-platform education icon
US7136528B2 (en) * 2000-02-11 2006-11-14 Sony Corporation System and method for editing digital images
US7262778B1 (en) 2000-02-11 2007-08-28 Sony Corporation Automatic color adjustment of a template design
JP2001251507A (ja) * 2000-03-03 2001-09-14 Fujitsu Ltd 画像処理装置
JP3885987B2 (ja) * 2000-05-18 2007-02-28 株式会社リコー 画像読取装置および画像形成装置
JP4085580B2 (ja) * 2001-02-20 2008-05-14 富士ゼロックス株式会社 画像処理装置
US7058222B2 (en) * 2001-12-20 2006-06-06 Xerox Corporation Automatic background detection of scanned documents
JP3898075B2 (ja) * 2002-03-18 2007-03-28 株式会社リコー 画像処理装置、画像処理方法及び記録媒体
JP4126938B2 (ja) * 2002-03-22 2008-07-30 セイコーエプソン株式会社 画像処理装置および画像出力装置
JP2006202209A (ja) 2005-01-24 2006-08-03 Toshiba Corp 画像圧縮方法および画像圧縮装置
JP2007067571A (ja) * 2005-08-29 2007-03-15 Fujitsu Ltd 画像処理装置
JP4282081B2 (ja) * 2005-10-31 2009-06-17 キヤノン株式会社 画像処理装置およびその方法
DE102006055587B4 (de) * 2006-11-24 2008-12-11 OCé PRINTING SYSTEMS GMBH Verfahren, Computerprogramm und Drucksystem zum Trapping von Druckdaten mit einer Vielzahl von Objekten
JP5041583B2 (ja) * 2006-12-21 2012-10-03 キヤノン株式会社 走査光学装置および画像形成装置
WO2009093324A1 (ja) * 2008-01-24 2009-07-30 Fujitsu Limited 画像処理装置、画像処理方法、画像処理プログラムおよび画像補正装置
JP5361624B2 (ja) * 2009-09-09 2013-12-04 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
CN102455628B (zh) * 2010-10-29 2014-08-13 京瓷办公信息系统株式会社 图像形成装置
JP5939154B2 (ja) * 2012-12-27 2016-06-22 ブラザー工業株式会社 画像処理装置およびコンピュータプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903145A (en) * 1986-08-06 1990-02-20 Canon Kabushiki Kaisha Image quality control apparatus capable of density-correcting plural areas of different types
US4929979A (en) * 1988-01-29 1990-05-29 Konica Corporation Method and apparatus for processing image
DE69325527T2 (de) * 1992-02-21 1999-11-25 Canon K.K., Tokio/Tokyo Gerät und Verfahren zur Bildverarbeitung

Also Published As

Publication number Publication date
EP0845716A2 (en) 1998-06-03
CN1188261A (zh) 1998-07-22
EP0845716B1 (en) 2002-06-19
DE69713473D1 (de) 2002-07-25
US6028958A (en) 2000-02-22
JPH10164368A (ja) 1998-06-19
EP0845716A3 (en) 1998-09-23
DE69713473T2 (de) 2003-02-06
JP3779400B2 (ja) 2006-05-24

Similar Documents

Publication Publication Date Title
CN1146757C (zh) 图像处理方法和图像处理装置
CN1102316C (zh) 图像处理装置
CN1123205C (zh) 图象形成设备及图象处理设备
CN1186267A (zh) 图像形成装置
CN1146756C (zh) 图像形成装置
CN1625221A (zh) 图像形成装置、图案形成方法及其程序
CN1169341C (zh) 复合型图象形成装置
CN2758825Y (zh) 影像形成设备
CN1190750A (zh) 图像输入装置以及图像输入方法
CN1237415C (zh) 图像成形装置
CN1291733A (zh) 成像设备
CN1115857C (zh) 成像装置用的光扫描装置
CN1123203C (zh) 图象形成装置
CN1255718C (zh) 一种对存储在移动型记录媒体的作业文件的管理和管理方法
CN1753445A (zh) 图像读取装置
CN1166748A (zh) 图象形成系统
CN1792086A (zh) 图像位置校正方法、图像位置校正用夹具以及图像形成装置
CN1283469C (zh) 成像控制方法
CN1213590C (zh) 图像读取器和图像形成设备
CN1218917A (zh) 图像处理装置及方法
CN1228961C (zh) 图像处理方法及其装置
CN1099541A (zh) 图象处理装置
CN1158848C (zh) 图象形成装置
CN1946130A (zh) 自动文件进给器
CN1226147C (zh) 排出纸张叠放台及具有该排出纸张叠放台的图像形成装置

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040421

Termination date: 20121127