JP4391978B2 - ビットマスク生成システム - Google Patents

ビットマスク生成システム Download PDF

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Publication number
JP4391978B2
JP4391978B2 JP2005303410A JP2005303410A JP4391978B2 JP 4391978 B2 JP4391978 B2 JP 4391978B2 JP 2005303410 A JP2005303410 A JP 2005303410A JP 2005303410 A JP2005303410 A JP 2005303410A JP 4391978 B2 JP4391978 B2 JP 4391978B2
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JP
Japan
Prior art keywords
entry
entries
array
bit mask
binary
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Expired - Fee Related
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JP2005303410A
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English (en)
Japanese (ja)
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JP2006121697A5 (https=
JP2006121697A (ja
Inventor
イアン ウッズ マイケル
ブース ジュディ
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Software Imaging Group Ltd
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Software Imaging Group Ltd
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Publication date
Application filed by Software Imaging Group Ltd filed Critical Software Imaging Group Ltd
Publication of JP2006121697A publication Critical patent/JP2006121697A/ja
Publication of JP2006121697A5 publication Critical patent/JP2006121697A5/ja
Application granted granted Critical
Publication of JP4391978B2 publication Critical patent/JP4391978B2/ja
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Expired - Fee Related legal-status Critical Current

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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
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Image Processing (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transmitters (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Studio Devices (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP2005303410A 2004-10-18 2005-10-18 ビットマスク生成システム Expired - Fee Related JP4391978B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0423105A GB2419250C (en) 2004-10-18 2004-10-18 Bit mask generation system.

Publications (3)

Publication Number Publication Date
JP2006121697A JP2006121697A (ja) 2006-05-11
JP2006121697A5 JP2006121697A5 (https=) 2009-04-30
JP4391978B2 true JP4391978B2 (ja) 2009-12-24

Family

ID=33462919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005303410A Expired - Fee Related JP4391978B2 (ja) 2004-10-18 2005-10-18 ビットマスク生成システム

Country Status (6)

Country Link
US (1) US8705131B2 (https=)
EP (1) EP1650955B1 (https=)
JP (1) JP4391978B2 (https=)
AT (1) ATE429126T1 (https=)
DE (1) DE602005013880D1 (https=)
GB (1) GB2419250C (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070255498A1 (en) * 2006-04-28 2007-11-01 Caterpillar Inc. Systems and methods for determining threshold warning distances for collision avoidance
US9165162B2 (en) * 2012-12-28 2015-10-20 Infineon Technologies Ag Processor arrangements and a method for transmitting a data bit sequence
JP6351342B2 (ja) * 2014-04-04 2018-07-04 キヤノン株式会社 ドット配置または閾値マトリクスの作成方法、画像処理装置、及び記憶媒体
US11023770B2 (en) * 2019-09-23 2021-06-01 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Systems and methods for obtaining templates for tessellated images
EP4097675B1 (en) * 2020-01-30 2025-07-09 Hewlett-Packard Development Company, L.P. Greyscale images

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131640A (https=) 1973-04-09 1974-12-17
JPS56123174A (en) 1980-03-04 1981-09-28 Ricoh Co Ltd Encoding system for half-tone picture
JPS63202182A (ja) * 1987-02-18 1988-08-22 Olympus Optical Co Ltd 傾斜ドツトパタ−ン形成方法
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
US5051844A (en) * 1989-01-30 1991-09-24 Eastman Kodak Company Digital halftoning with error diffusion
JPH03187573A (ja) 1989-12-15 1991-08-15 Nec Corp 擬似中間調画像符号化方式
US5214517A (en) * 1990-02-07 1993-05-25 Eastman Kodak Company Digital halftoning with correlated minimum visual modulation patterns
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
JPH0630280A (ja) 1991-03-19 1994-02-04 Nec Eng Ltd ２値画像データのブロック別選択型符号化前処理方式
JP3187573B2 (ja) 1992-12-21 2001-07-11 大日本印刷株式会社 情報記録媒体の製造方法及び情報記録再生方法
JP3262414B2 (ja) * 1993-07-19 2002-03-04 キヤノン株式会社 画像処理装置及び画像処理方法
WO1995006911A1 (en) * 1993-09-01 1995-03-09 Canon Information Systems Research Australia Pty. Ltd. Method for the creation of dither matrices
DE69417832T2 (de) * 1993-09-28 1999-08-12 Hewlett-Packard Co., Palo Alto, Calif. Digitale Halbtonrasterwiedergabe eines Grautonbildes mit frequenzabhängiger diagonaler Korrelation
US5598204A (en) * 1994-03-25 1997-01-28 Xerox Corporation Image halftoning system capable of producing additional gradations
US5956157A (en) * 1994-12-08 1999-09-21 Eastman Kodak Company Method and apparatus for locally blending gray dot types of the same or different types to reproduce an image with gray level printing
US5555102A (en) * 1995-01-30 1996-09-10 Apple Computer, Inc. System and method for generating images with improved visual quality using local correlation, ordered dither
US5832122A (en) 1995-03-24 1998-11-03 Fuji Photo Film Co., Ltd. Method of processing image data
JP3519186B2 (ja) 1995-10-20 2004-04-12 富士通株式会社 画像中間調処理装置
US5673121A (en) * 1996-06-17 1997-09-30 Xerox Corporation Stochastic halftoning screening method
US5822469A (en) * 1996-10-22 1998-10-13 Hewlett-Packard Company Post-filter for improving halftone image sharpness
US5787238A (en) * 1996-11-14 1998-07-28 Xerox Corporation Clustered halftone dot design process
US6118935A (en) * 1997-04-01 2000-09-12 Professional Software Technologies, Inc. Digital halftoning combining multiple screens within a single image
SE513365C2 (sv) 1998-03-05 2000-09-04 Forskarpatent I Linkoeping Ab Rastreringsförfarande baserat på förberäknade mallar
US6256398B1 (en) * 1998-08-22 2001-07-03 Kenneth H. P. Chang Encoding and decoding a message within an image
US6597813B1 (en) * 1999-03-11 2003-07-22 International Business Machines Corporation Masks with modulated clustering and aperiodicity and rescaling of masks
GB9915365D0 (en) 1999-07-02 1999-09-01 Software 2000 Ltd Stochastic screens for printing
JP3589286B2 (ja) * 1999-08-23 2004-11-17 セイコーエプソン株式会社 画像処理装置及びその方法、並びにその画像処理装置を備えたプリンタシステム
US7372594B1 (en) * 1999-09-30 2008-05-13 Canon Kabushiki Kaisha Image processing apparatus and method, and storage medium
US6791718B1 (en) * 2000-06-14 2004-09-14 Hewlett-Packard Development Company, L.P. Halftone printing with dither matrices generated by using cluster filters
JP3934442B2 (ja) 2001-03-16 2007-06-20 株式会社リコー マスク作成方法、画像処理装置及びソフトウェアプログラム
US20030107768A1 (en) * 2001-12-04 2003-06-12 Crounse Kenneth R. Halftoning with uniformly dispersed dot growth
US7239429B2 (en) * 2003-05-29 2007-07-03 Seiko Epson Corporation Method and apparatus for generating dispersed cluster screen

Also Published As

Publication number Publication date
GB0423105D0 (en) 2004-11-17
ATE429126T1 (de) 2009-05-15
GB2419250C (en) 2008-04-24
GB2419250B (en) 2008-04-16
DE602005013880D1 (de) 2009-05-28
EP1650955B1 (en) 2009-04-15
JP2006121697A (ja) 2006-05-11
US20060082829A1 (en) 2006-04-20
GB2419250A (en) 2006-04-19
EP1650955A1 (en) 2006-04-26
US8705131B2 (en) 2014-04-22

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