JP2005252893A - 閾値マトリクス - Google Patents
閾値マトリクス Download PDFInfo
- Publication number
- JP2005252893A JP2005252893A JP2004063204A JP2004063204A JP2005252893A JP 2005252893 A JP2005252893 A JP 2005252893A JP 2004063204 A JP2004063204 A JP 2004063204A JP 2004063204 A JP2004063204 A JP 2004063204A JP 2005252893 A JP2005252893 A JP 2005252893A
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- Prior art keywords
- dot
- threshold
- pattern
- dot pattern
- matrix
- 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.)
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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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004063204A JP2005252893A (ja) | 2004-03-05 | 2004-03-05 | 閾値マトリクス |
| US11/071,470 US7511856B2 (en) | 2004-03-05 | 2005-03-04 | Threshold matrix, storage unit for storing threshold matrix as data, and raster image processor incorporating storage unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004063204A JP2005252893A (ja) | 2004-03-05 | 2004-03-05 | 閾値マトリクス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005252893A true JP2005252893A (ja) | 2005-09-15 |
| JP2005252893A5 JP2005252893A5 (https=) | 2006-06-29 |
Family
ID=34909301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004063204A Pending JP2005252893A (ja) | 2004-03-05 | 2004-03-05 | 閾値マトリクス |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7511856B2 (https=) |
| JP (1) | JP2005252893A (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015039139A (ja) * | 2013-08-19 | 2015-02-26 | 富士フイルム株式会社 | 量子化方法及び画像処理装置 |
| WO2018062180A1 (ja) * | 2016-09-30 | 2018-04-05 | 富士フイルム株式会社 | 閾値マトリクスの作成方法及び閾値マトリクス作成装置並びにプログラム |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005252888A (ja) * | 2004-03-05 | 2005-09-15 | Fuji Photo Film Co Ltd | 閾値マトリクスの作成方法及びその閾値マトリクス並びにカラー画像の再現方法 |
| JP4143560B2 (ja) * | 2004-03-05 | 2008-09-03 | 富士フイルム株式会社 | 閾値マトリクスの作成方法及びその装置 |
| JP2005286999A (ja) * | 2004-03-05 | 2005-10-13 | Fuji Photo Film Co Ltd | 閾値マトリクスの割当方法 |
| US7733533B2 (en) * | 2006-04-06 | 2010-06-08 | Infoprint Solutions Company Llc | Generating threshold values in a dither matrix |
| US20090034008A1 (en) * | 2007-08-03 | 2009-02-05 | Lawrence Croft | Method for generating stochastic dither matrix |
| JP2011104954A (ja) * | 2009-11-20 | 2011-06-02 | Canon Inc | 画像形成装置 |
| EP2571245B1 (en) * | 2010-05-11 | 2017-11-08 | Konica Minolta Holdings, Inc. | Threshold matrix generating method, threshold matrix generating device, threshold matrix, quantization device, and image formatting device |
Family Cites Families (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983319A (en) * | 1973-11-12 | 1976-09-28 | Printing Developments, Inc. | Electronic screening for image reproduction |
| JPH067663B2 (ja) | 1985-04-26 | 1994-01-26 | 松下電器産業株式会社 | 中間調画像処理方法 |
| JPS6244744A (ja) | 1985-08-22 | 1987-02-26 | Mitsubishi Electric Corp | 組版システム |
| JPS6444583U (https=) | 1987-09-14 | 1989-03-16 | ||
| NL8902654A (nl) | 1988-11-24 | 1990-06-18 | Oce Nederland Bv | Werkwijze en inrichting voor het verwerken en weergeven van beeldinformatie. |
| US5341228A (en) * | 1990-12-04 | 1994-08-23 | Research Corporation Technologies | Method and apparatus for halftone rendering of a gray scale image using a blue noise mask |
| US5315406A (en) * | 1991-09-03 | 1994-05-24 | Levien Raphael L | Screen generation for halftone screening of images using arbitrary distribution of transformed screen coordinates |
| US5943143A (en) * | 1993-06-22 | 1999-08-24 | Canon Kabushiki Kaisha | Image processing system having color adjusting features |
| JP3461377B2 (ja) | 1994-04-18 | 2003-10-27 | 富士写真フイルム株式会社 | 画像記録材料 |
| JPH08227147A (ja) * | 1995-02-21 | 1996-09-03 | Dainippon Screen Mfg Co Ltd | 網点作成方法および装置 |
| JPH08251352A (ja) * | 1995-03-07 | 1996-09-27 | Minolta Co Ltd | 画像読取装置 |
| JPH08265568A (ja) * | 1995-03-20 | 1996-10-11 | Hitachi Ltd | デジタル階調処理装置およびデジタル階調処理方法 |
| JP3762800B2 (ja) | 1995-03-24 | 2006-04-05 | 富士写真フイルム株式会社 | 網目スクリーンの作成方法 |
| US5832122A (en) * | 1995-03-24 | 1998-11-03 | Fuji Photo Film Co., Ltd. | Method of processing image data |
| US5689623A (en) * | 1995-03-27 | 1997-11-18 | Optronics International Corporation | Spread spectrum digital screening |
| JPH09130605A (ja) * | 1995-10-31 | 1997-05-16 | Fuji Photo Film Co Ltd | 網点画像出力方法およびその装置 |
| US6278533B1 (en) | 1996-11-29 | 2001-08-21 | Fuji Photo Film Co., Ltd. | Method of processing image signal |
| JPH10173923A (ja) * | 1996-12-16 | 1998-06-26 | Oki Data:Kk | 網点型ディザパタ−ンの生成装置並びにその方法 |
| JP3400316B2 (ja) | 1997-10-03 | 2003-04-28 | 富士写真フイルム株式会社 | 網点画像データの修正方法およびその装置、網点閾値データの修正方法 |
| JPH11187264A (ja) * | 1997-12-17 | 1999-07-09 | Oki Data Corp | 画像処理方法および装置 |
| US6493112B1 (en) * | 1998-01-16 | 2002-12-10 | University Of Delaware | Method and apparatus for producing halftone images using green-noise masks having adjustable coarseness |
| US6335989B1 (en) * | 1998-07-31 | 2002-01-01 | Hewlett-Packard Company | Halftone printing using donut filters |
| US6798537B1 (en) * | 1999-01-27 | 2004-09-28 | The University Of Delaware | Digital color halftoning with generalized error diffusion vector green-noise masks |
| US6606168B1 (en) * | 1999-03-31 | 2003-08-12 | 3M Innovative Properties Company | Narrow band, anisotropic stochastic halftone patterns and methods of creating and using the same |
| US6906825B1 (en) * | 1999-06-14 | 2005-06-14 | Toshiba Tec Kabushiki Kaisha | Image processor and color image processor |
| US6714320B1 (en) * | 1999-06-14 | 2004-03-30 | Toshiba Tec Kabushiki Kaisha | Image processor and color image processor |
| JP2001028685A (ja) | 1999-07-13 | 2001-01-30 | Seiko Instruments Inc | ハーフトーンマトリクス作成方法 |
| US6930801B2 (en) * | 2000-02-03 | 2005-08-16 | Fuji Photo Film Co., Ltd. | Method of determining threshold arrangement for generating gradation image, and apparatus for generating gradation image data |
| JP4124576B2 (ja) | 2000-02-03 | 2008-07-23 | 富士フイルム株式会社 | 階調画像作成用閾値配列決定方法および階調画像データ作成装置 |
| JP2001219599A (ja) | 2000-02-10 | 2001-08-14 | Alps Electric Co Ltd | 画像形成方法 |
| US6934054B1 (en) * | 2000-08-04 | 2005-08-23 | Transact Technologies Incorporated | Method and apparatus for two-color thermal point of sale (POS) printing |
| US6573917B2 (en) * | 2000-08-11 | 2003-06-03 | Energia, Inc. | Calendar with self-help messaging based upon color preferences |
| US6710778B2 (en) | 2001-02-12 | 2004-03-23 | Lexmark International, Inc. | Method for halftoning using a difference weighting function |
| JP4124580B2 (ja) * | 2001-06-12 | 2008-07-23 | 富士フイルム株式会社 | 階調画像作成用閾値配列決定方法 |
| JP2003143405A (ja) | 2001-11-02 | 2003-05-16 | Fuji Photo Film Co Ltd | 閾値配列修正方法、およびドットパターンデータ構造 |
| JP4124581B2 (ja) | 2001-06-12 | 2008-07-23 | 富士フイルム株式会社 | 画像の画素配置修正方法 |
| JP4150206B2 (ja) * | 2001-10-29 | 2008-09-17 | 富士フイルム株式会社 | 網点閾値データ作成方法 |
| JP2003152999A (ja) | 2001-11-13 | 2003-05-23 | Matsushita Electric Ind Co Ltd | 画像処理方法および画像処理装置 |
| US20030107768A1 (en) | 2001-12-04 | 2003-06-12 | Crounse Kenneth R. | Halftoning with uniformly dispersed dot growth |
| US7116447B2 (en) * | 2002-05-24 | 2006-10-03 | Eastman Kodak Company | Halftone dot-growth technique using a dot edge-detection scheme |
| JP2004015410A (ja) | 2002-06-06 | 2004-01-15 | Ricoh Co Ltd | 情報処理装置、情報処理方法、情報処理プログラム、記録媒体、及びインクジェット記録装置 |
| JP4620948B2 (ja) | 2002-12-10 | 2011-01-26 | オセ−テクノロジーズ・ベー・ヴエー | 多色画像処理システム及び方法 |
| US6943808B2 (en) * | 2002-12-16 | 2005-09-13 | Xerox Corporation | System and method of reducing aliasing in printed images |
| US7126724B2 (en) * | 2003-03-11 | 2006-10-24 | Kodak Graphic Communications Canada Company | Flexographic printing |
| JP2005286999A (ja) * | 2004-03-05 | 2005-10-13 | Fuji Photo Film Co Ltd | 閾値マトリクスの割当方法 |
| JP2005252888A (ja) * | 2004-03-05 | 2005-09-15 | Fuji Photo Film Co Ltd | 閾値マトリクスの作成方法及びその閾値マトリクス並びにカラー画像の再現方法 |
| JP4143560B2 (ja) * | 2004-03-05 | 2008-09-03 | 富士フイルム株式会社 | 閾値マトリクスの作成方法及びその装置 |
| JP4442438B2 (ja) * | 2005-01-21 | 2010-03-31 | エプソンイメージングデバイス株式会社 | 画像表示装置、その駆動方法および電子機器 |
| JP4241632B2 (ja) * | 2005-01-25 | 2009-03-18 | 富士フイルム株式会社 | 色版作成用閾値マトリクスの作成方法、カラー画像の再現方法、カラー画像分版作成装置及び閾値マトリクス |
| US20060221400A1 (en) | 2005-03-31 | 2006-10-05 | Fuji Photo Film Co., Ltd. | Dot pattern forming apparatus and set of FM screen threshold matrices |
| JP4634292B2 (ja) * | 2005-12-06 | 2011-02-16 | 株式会社リコー | 画像処理装置、画像処理方法、その方法をコンピュータに実行させるプログラム |
-
2004
- 2004-03-05 JP JP2004063204A patent/JP2005252893A/ja active Pending
-
2005
- 2005-03-04 US US11/071,470 patent/US7511856B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015039139A (ja) * | 2013-08-19 | 2015-02-26 | 富士フイルム株式会社 | 量子化方法及び画像処理装置 |
| WO2018062180A1 (ja) * | 2016-09-30 | 2018-04-05 | 富士フイルム株式会社 | 閾値マトリクスの作成方法及び閾値マトリクス作成装置並びにプログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050195441A1 (en) | 2005-09-08 |
| US7511856B2 (en) | 2009-03-31 |
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