JP4463970B2 - 画像処理装置及び画像処理方法 - Google Patents

画像処理装置及び画像処理方法 Download PDF

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Publication number
JP4463970B2
JP4463970B2 JP2000364629A JP2000364629A JP4463970B2 JP 4463970 B2 JP4463970 B2 JP 4463970B2 JP 2000364629 A JP2000364629 A JP 2000364629A JP 2000364629 A JP2000364629 A JP 2000364629A JP 4463970 B2 JP4463970 B2 JP 4463970B2
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JP
Japan
Prior art keywords
error diffusion
color component
threshold
component
image processing
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
JP2000364629A
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English (en)
Japanese (ja)
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JP2002171407A (ja
JP2002171407A5 (enrdf_load_stackoverflow
Inventor
顕季 山田
真夫 加藤
弘光 平林
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
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 Canon Inc filed Critical Canon Inc
Priority to JP2000364629A priority Critical patent/JP4463970B2/ja
Priority to US09/993,641 priority patent/US7099046B2/en
Priority to DE60138082T priority patent/DE60138082D1/de
Priority to ES01310025T priority patent/ES2322887T3/es
Priority to EP09152521A priority patent/EP2051500B1/en
Priority to AT01310025T priority patent/ATE426999T1/de
Priority to EP01310025A priority patent/EP1211884B1/en
Publication of JP2002171407A publication Critical patent/JP2002171407A/ja
Priority to US11/370,982 priority patent/US7548346B2/en
Publication of JP2002171407A5 publication Critical patent/JP2002171407A5/ja
Priority to US12/431,624 priority patent/US7859723B2/en
Application granted granted Critical
Publication of JP4463970B2 publication Critical patent/JP4463970B2/ja
Priority to US12/952,819 priority patent/US7965418B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
JP2000364629A 2000-11-30 2000-11-30 画像処理装置及び画像処理方法 Expired - Fee Related JP4463970B2 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2000364629A JP4463970B2 (ja) 2000-11-30 2000-11-30 画像処理装置及び画像処理方法
US09/993,641 US7099046B2 (en) 2000-11-30 2001-11-27 Image processing apparatus and image processing method
EP01310025A EP1211884B1 (en) 2000-11-30 2001-11-29 Image processing apparatus and image processing method
ES01310025T ES2322887T3 (es) 2000-11-30 2001-11-29 Aparato para el tratamiento de imagenes y metodo de tratamiento de imagenes.
EP09152521A EP2051500B1 (en) 2000-11-30 2001-11-29 Image processing apparatus and image processing method
AT01310025T ATE426999T1 (de) 2000-11-30 2001-11-29 Bildverarbeitungsvorrichtung und bildverarbeitungsverfahren
DE60138082T DE60138082D1 (de) 2000-11-30 2001-11-29 Bildverarbeitungsvorrichtung und Bildverarbeitungsverfahren
US11/370,982 US7548346B2 (en) 2000-11-30 2006-03-09 Image processing apparatus and method for performing error diffusion based on density values of different color components
US12/431,624 US7859723B2 (en) 2000-11-30 2009-04-28 Image processing to perform error diffusion with dots formed based color component values and their sum relative to a threshold
US12/952,819 US7965418B2 (en) 2000-11-30 2010-11-23 Image processing apparatus and image processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000364629A JP4463970B2 (ja) 2000-11-30 2000-11-30 画像処理装置及び画像処理方法

Publications (3)

Publication Number Publication Date
JP2002171407A JP2002171407A (ja) 2002-06-14
JP2002171407A5 JP2002171407A5 (enrdf_load_stackoverflow) 2008-01-17
JP4463970B2 true JP4463970B2 (ja) 2010-05-19

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JP2000364629A Expired - Fee Related JP4463970B2 (ja) 2000-11-30 2000-11-30 画像処理装置及び画像処理方法

Country Status (1)

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JP (1) JP4463970B2 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4047119B2 (ja) 2002-09-20 2008-02-13 キヤノン株式会社 画像処理装置及び画像処理方法
JP4095423B2 (ja) 2002-12-06 2008-06-04 キヤノン株式会社 画像処理装置、画像データ処理方法、記憶媒体、プログラム
JP2004235993A (ja) 2003-01-30 2004-08-19 Canon Inc 画像処理方法
JP5059057B2 (ja) 2009-06-18 2012-10-24 キヤノン株式会社 画像処理装置および画像処理方法
JP5709394B2 (ja) * 2010-03-26 2015-04-30 キヤノン株式会社 画像処理装置及び画像処理方法
JP5709393B2 (ja) * 2010-03-26 2015-04-30 キヤノン株式会社 画像処理装置及び画像処理方法

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JP2002171407A (ja) 2002-06-14

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