DE3878704D1 - Tonumsetzungsverfahren fuer bilder. - Google Patents

Tonumsetzungsverfahren fuer bilder.

Info

Publication number
DE3878704D1
DE3878704D1 DE8888302094T DE3878704T DE3878704D1 DE 3878704 D1 DE3878704 D1 DE 3878704D1 DE 8888302094 T DE8888302094 T DE 8888302094T DE 3878704 T DE3878704 T DE 3878704T DE 3878704 D1 DE3878704 D1 DE 3878704D1
Authority
DE
Germany
Prior art keywords
images
implementation process
sound implementation
sound
implementation
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
DE8888302094T
Other languages
English (en)
Other versions
DE3878704T2 (de
Inventor
Takashi Numakura
Iwao Numakura
Susumu Kitazawa
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.)
Yamatoya and Co Ltd
Original Assignee
Yamatoya and 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 Yamatoya and Co Ltd filed Critical Yamatoya and Co Ltd
Publication of DE3878704D1 publication Critical patent/DE3878704D1/de
Application granted granted Critical
Publication of DE3878704T2 publication Critical patent/DE3878704T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Image Processing (AREA)
DE8888302094T 1987-03-11 1988-03-10 Tonumsetzungsverfahren fuer bilder. Expired - Fee Related DE3878704T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5583187 1987-03-11
JP63002590A JPH0691612B2 (ja) 1987-03-11 1988-01-11 画像の階調変換方法

Publications (2)

Publication Number Publication Date
DE3878704D1 true DE3878704D1 (de) 1993-04-08
DE3878704T2 DE3878704T2 (de) 1993-06-09

Family

ID=26336008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888302094T Expired - Fee Related DE3878704T2 (de) 1987-03-11 1988-03-10 Tonumsetzungsverfahren fuer bilder.

Country Status (4)

Country Link
US (1) US4811108A (de)
EP (1) EP0282305B1 (de)
JP (1) JPH0691612B2 (de)
DE (1) DE3878704T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614683B2 (ja) * 1988-05-13 1994-02-23 株式会社ヤマトヤ商会 画像の階調変換処理法
JP2833652B2 (ja) * 1988-07-15 1998-12-09 株式会社ヤマトヤ商会 カラーテレビジヨンの画像処理方法及びその装置
JP2796718B2 (ja) * 1988-08-23 1998-09-10 株式会社ヤマトヤ商会 画像の階調変換方法
EP0359463B1 (de) * 1988-09-08 1997-04-16 Canon Kabushiki Kaisha Punktbilddatenausgabegerät
JP2578947B2 (ja) * 1988-10-13 1997-02-05 富士写真フイルム株式会社 網点データ作成方法
US5051844A (en) * 1989-01-30 1991-09-24 Eastman Kodak Company Digital halftoning with error diffusion
JP2939270B2 (ja) * 1989-05-31 1999-08-25 株式会社ヤマトヤ商会 画像の階調変換法
US5225915A (en) * 1989-06-09 1993-07-06 Xerox Corporation Image processing with noise enhancing operators for moire reduction and/or random dot generation
CN1043443C (zh) * 1989-07-28 1999-05-19 株式会社亚玛托亚商会 图像影调变换方法
JP2787231B2 (ja) * 1989-08-19 1998-08-13 株式会社ヤマトヤ商会 色カブリのない複製画像を製作するための画像の階調変換法
CN1040799C (zh) * 1989-08-25 1998-11-18 株式会社亚玛托亚商会 从原稿的图象制作复制图象时的调色变换方法
CN1040255C (zh) * 1989-08-25 1998-10-14 株式会社亚玛托亚商会 图像层次变换法
JPH03258164A (ja) * 1990-03-08 1991-11-18 Yamatoya & Co Ltd 画像形成装置
JP2873329B2 (ja) * 1990-11-09 1999-03-24 株式会社ヤマトヤ商会 画像の階調変換法
CN1040256C (zh) * 1991-01-11 1998-10-14 株式会社亚玛托亚商会 图像的层次变换法
JPH04241368A (ja) * 1991-01-16 1992-08-28 Brother Ind Ltd カラー画像記録装置
JP3129755B2 (ja) * 1991-02-04 2001-01-31 株式会社ヤマトヤ商会 多色製版用墨版カーブの設定法
AU656057B2 (en) * 1992-03-27 1995-01-19 Milliken & Company Method and apparatus for reproducing blended colorants on an electronic display
US5444552A (en) * 1992-09-28 1995-08-22 Xerox Corporation Method for compressing, processing, and storing grayscale bitmaps
US5689343A (en) * 1995-05-26 1997-11-18 Xerox Corporation Area mapping employing reference clusters for high quality noninteger resolution conversion with enhancement
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
US5795082A (en) * 1996-06-27 1998-08-18 Seiko Epson Corporation Printing system utilizing inks of different densities, cartridge used therefor, and method of recording images
JPH11346311A (ja) * 1998-06-01 1999-12-14 Matsushita Electric Ind Co Ltd 階調再現方法
US6771827B1 (en) 1998-12-23 2004-08-03 Xerox Corporation System and method for directed acuity segmentation resolution compression and decompression
WO2002069304A1 (de) * 2001-02-28 2002-09-06 Roland Bachmann Malblatt und verfahren zur herstellung desselben
US7626742B2 (en) * 2005-02-16 2009-12-01 Samsung Electronics Co., Ltd. Color data conversion apparatus and method using gamut boundary descriptors
US8982419B1 (en) * 2012-05-18 2015-03-17 Marvell International Ltd. Method and apparatus for generating a halftone image from a continuous tone image

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102853A (en) * 1980-01-21 1981-08-17 Dainippon Screen Mfg Co Ltd Metho for pretreating image signal of image copying apparatus
JPS5793347A (en) * 1980-12-01 1982-06-10 Dainippon Screen Mfg Co Ltd Correcting circuit in measuring device for halftone dot area rate
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
US4680646A (en) * 1983-09-05 1987-07-14 Canon Kabushiki Kaisha Image forming device for reproducing a half-tone image
US4578713A (en) * 1984-07-20 1986-03-25 The Mead Corporation Multiple mode binary image processing
JPH0547156A (ja) * 1991-08-09 1993-02-26 Matsushita Electric Ind Co Ltd テープカセツト

Also Published As

Publication number Publication date
US4811108A (en) 1989-03-07
EP0282305A2 (de) 1988-09-14
EP0282305B1 (de) 1993-03-03
JPH0278371A (ja) 1990-03-19
JPH0691612B2 (ja) 1994-11-14
EP0282305A3 (en) 1989-11-15
DE3878704T2 (de) 1993-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee