JP6895821B2 - 画像処理装置および画像処理方法 - Google Patents

画像処理装置および画像処理方法 Download PDF

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Publication number
JP6895821B2
JP6895821B2 JP2017126513A JP2017126513A JP6895821B2 JP 6895821 B2 JP6895821 B2 JP 6895821B2 JP 2017126513 A JP2017126513 A JP 2017126513A JP 2017126513 A JP2017126513 A JP 2017126513A JP 6895821 B2 JP6895821 B2 JP 6895821B2
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JP
Japan
Prior art keywords
image
recovery
processing
halftone
input image
Prior art date
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Expired - Fee Related
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JP2017126513A
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English (en)
Japanese (ja)
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JP2019009730A (ja
JP2019009730A5 (enExample
Inventor
将英 森部
将英 森部
雄介 山本
雄介 山本
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Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017126513A priority Critical patent/JP6895821B2/ja
Priority to EP18176316.0A priority patent/EP3422692B1/en
Priority to KR1020180073057A priority patent/KR102318488B1/ko
Priority to US16/019,879 priority patent/US10523844B2/en
Publication of JP2019009730A publication Critical patent/JP2019009730A/ja
Publication of JP2019009730A5 publication Critical patent/JP2019009730A5/ja
Application granted granted Critical
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    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2146—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
    • H04N1/605—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis for controlling ink amount, strike-through, bleeding soakage or the like

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
JP2017126513A 2017-06-28 2017-06-28 画像処理装置および画像処理方法 Expired - Fee Related JP6895821B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017126513A JP6895821B2 (ja) 2017-06-28 2017-06-28 画像処理装置および画像処理方法
EP18176316.0A EP3422692B1 (en) 2017-06-28 2018-06-06 Image processing apparatus and image processing method
KR1020180073057A KR102318488B1 (ko) 2017-06-28 2018-06-26 화상 처리장치 및 화상 처리방법
US16/019,879 US10523844B2 (en) 2017-06-28 2018-06-27 Image processing apparatus and image processing method for image sharpness recovery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017126513A JP6895821B2 (ja) 2017-06-28 2017-06-28 画像処理装置および画像処理方法

Publications (3)

Publication Number Publication Date
JP2019009730A JP2019009730A (ja) 2019-01-17
JP2019009730A5 JP2019009730A5 (enExample) 2020-08-06
JP6895821B2 true JP6895821B2 (ja) 2021-06-30

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JP2017126513A Expired - Fee Related JP6895821B2 (ja) 2017-06-28 2017-06-28 画像処理装置および画像処理方法

Country Status (4)

Country Link
US (1) US10523844B2 (enExample)
EP (1) EP3422692B1 (enExample)
JP (1) JP6895821B2 (enExample)
KR (1) KR102318488B1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019187455A1 (ja) 2018-03-27 2019-10-03 キヤノン株式会社 画像処理装置、画像表示システム、画像処理方法、及び、プログラム
JP7204420B2 (ja) 2018-10-25 2023-01-16 キヤノン株式会社 画像処理装置、及び、画像処理方法
US10834288B2 (en) * 2018-12-21 2020-11-10 Canon Kabushiki Kaisha Generating image region dot data based on corrected number of dots and determined arrangement priority
JP7277231B2 (ja) 2019-04-15 2023-05-18 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP7378221B2 (ja) * 2019-04-17 2023-11-13 シャープ株式会社 画像処理装置、画像形成装置、画像読取装置、制御方法、コンピュータプログラム、および記録媒体
CN111179158B (zh) * 2019-12-30 2023-07-18 深圳市商汤科技有限公司 图像处理方法、装置、电子设备及介质
JP7481935B2 (ja) 2020-07-21 2024-05-13 キヤノン株式会社 画像処理装置、画像処理方法
JP7721331B2 (ja) * 2021-06-09 2025-08-12 キヤノン株式会社 画像記録装置、画像処理方法及びプログラム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09247426A (ja) * 1996-03-08 1997-09-19 Canon Inc 画像処理装置及び画像処理方法
JPH09312766A (ja) * 1996-05-20 1997-12-02 Mitsubishi Heavy Ind Ltd 階調画像の二値化方法及び装置
JP4259410B2 (ja) 2004-07-14 2009-04-30 パナソニック株式会社 画像処理装置
EP2206334A2 (en) * 2007-09-28 2010-07-14 OCE-Technologies B.V. Method, apparatus and computer program for adaptive compensation of a mtf
JP5426953B2 (ja) 2009-07-16 2014-02-26 キヤノン株式会社 画像処理装置およびその方法
JP6353271B2 (ja) 2013-06-04 2018-07-04 キヤノン株式会社 画像処理装置およびその方法
EP2963908B1 (en) 2014-07-01 2020-10-28 Canon Kabushiki Kaisha Image processing apparatus, image processing method and storage medium
JP6516446B2 (ja) 2014-11-14 2019-05-22 キヤノン株式会社 情報処理装置、情報処理方法、及びプログラム
US10205854B2 (en) 2015-01-30 2019-02-12 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and appearance reproduction apparatus
JP6632222B2 (ja) * 2015-05-29 2020-01-22 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
US9781289B2 (en) * 2015-05-29 2017-10-03 Canon Kabushiki Kaisha Image processing apparatus, method, and storage medium storing program
JP6609141B2 (ja) 2015-08-27 2019-11-20 キヤノン株式会社 画像処理装置およびその方法、並びに、画像形成装置
JP6624881B2 (ja) 2015-10-19 2019-12-25 キヤノン株式会社 画像形成装置及びその制御方法
JP6650821B2 (ja) * 2016-04-25 2020-02-19 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP6703788B2 (ja) * 2016-07-11 2020-06-03 キヤノン株式会社 画像処理装置および画像処理方法
JP6840604B2 (ja) 2017-04-11 2021-03-10 キヤノン株式会社 色変換テーブルの作成装置、色変換テーブルの作成方法、色変換処理装置、色変換処理方法およびプログラム
JP6862267B2 (ja) 2017-05-02 2021-04-21 キヤノン株式会社 色変換ルックアップテーブルの作成装置、色変換ルックアップテーブルの作成方法およびプログラム
JP6882083B2 (ja) * 2017-06-07 2021-06-02 キヤノン株式会社 画像処理装置、画像形成装置、画像処理方法及びプログラム

Also Published As

Publication number Publication date
KR20190001933A (ko) 2019-01-07
JP2019009730A (ja) 2019-01-17
EP3422692B1 (en) 2021-05-26
US10523844B2 (en) 2019-12-31
KR102318488B1 (ko) 2021-10-28
US20190007580A1 (en) 2019-01-03
EP3422692A1 (en) 2019-01-02

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