JP3658273B2 - 画像処理装置及び方法 - Google Patents

画像処理装置及び方法 Download PDF

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Publication number
JP3658273B2
JP3658273B2 JP2000111159A JP2000111159A JP3658273B2 JP 3658273 B2 JP3658273 B2 JP 3658273B2 JP 2000111159 A JP2000111159 A JP 2000111159A JP 2000111159 A JP2000111159 A JP 2000111159A JP 3658273 B2 JP3658273 B2 JP 3658273B2
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JP
Japan
Prior art keywords
recording
data
recording dots
attention area
total number
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Expired - Fee Related
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JP2000111159A
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English (en)
Japanese (ja)
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JP2001045287A (ja
JP2001045287A5 (enExample
Inventor
宏 谷岡
庄司 武田
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
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2000111159A priority Critical patent/JP3658273B2/ja
Priority to US09/576,928 priority patent/US7068395B1/en
Publication of JP2001045287A publication Critical patent/JP2001045287A/ja
Publication of JP2001045287A5 publication Critical patent/JP2001045287A5/ja
Application granted granted Critical
Publication of JP3658273B2 publication Critical patent/JP3658273B2/ja
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/60—Memory management
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/60—Rotation of whole images or parts thereof
    • G06T3/606—Rotation of whole images or parts thereof by memory addressing or mapping
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
JP2000111159A 1999-05-25 2000-04-12 画像処理装置及び方法 Expired - Fee Related JP3658273B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000111159A JP3658273B2 (ja) 1999-05-25 2000-04-12 画像処理装置及び方法
US09/576,928 US7068395B1 (en) 1999-05-25 2000-05-23 Image processing apparatus and method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14550599 1999-05-25
JP11-145505 1999-05-25
JP2000111159A JP3658273B2 (ja) 1999-05-25 2000-04-12 画像処理装置及び方法

Publications (3)

Publication Number Publication Date
JP2001045287A JP2001045287A (ja) 2001-02-16
JP2001045287A5 JP2001045287A5 (enExample) 2005-03-17
JP3658273B2 true JP3658273B2 (ja) 2005-06-08

Family

ID=26476599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000111159A Expired - Fee Related JP3658273B2 (ja) 1999-05-25 2000-04-12 画像処理装置及び方法

Country Status (2)

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US (1) US7068395B1 (enExample)
JP (1) JP3658273B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1758368A1 (en) * 2004-05-06 2007-02-28 Seiko Epson Corporation Image processing device, image processing method, and program
US8515194B2 (en) 2007-02-21 2013-08-20 Microsoft Corporation Signaling and uses of windowing information for images
US20090040559A1 (en) * 2007-08-10 2009-02-12 Shuji Hamada Image forming apparatus, image forming method, and image processing program
JP2025026097A (ja) * 2023-08-10 2025-02-21 キヤノン株式会社 画像処理装置、方法およびプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63182973A (ja) 1987-01-23 1988-07-28 Sharp Corp フアクシミリ装置の擬似中間調画像伝送方法
US6134355A (en) 1989-02-10 2000-10-17 Canon Kabushiki Kaisha Binarization using a local average, and using error diffusion
US5760918A (en) 1989-09-27 1998-06-02 Canon Kabushiki Kaisha Image processing apparatus with conversion and reconversion of the number of bits per pixel
JP3078313B2 (ja) 1990-11-29 2000-08-21 株式会社リコー 画像形成装置
JP3279632B2 (ja) 1992-04-02 2002-04-30 株式会社リコー 画像形成装置
JPH05292297A (ja) 1992-04-06 1993-11-05 Konica Corp 画像形成装置
JPH0865511A (ja) 1994-08-22 1996-03-08 Murata Mach Ltd 中間調画像データの伝送方法
US5825940A (en) 1995-01-23 1998-10-20 Canon Kabushiki Kaisha Image processing method and apparatus for binary-coding multivalue image data
JP3387738B2 (ja) 1996-06-28 2003-03-17 株式会社沖データ 画像パターン変換装置
US6118547A (en) 1996-07-17 2000-09-12 Canon Kabushiki Kaisha Image processing method and apparatus
US6011878A (en) * 1996-09-26 2000-01-04 Canon Kabushiki Kaisha Image processing method and apparatus

Also Published As

Publication number Publication date
US7068395B1 (en) 2006-06-27
JP2001045287A (ja) 2001-02-16

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