JP7654375B2 - 画像処理装置、画像処理装置の制御方法、及びプログラム - Google Patents

画像処理装置、画像処理装置の制御方法、及びプログラム Download PDF

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Publication number
JP7654375B2
JP7654375B2 JP2020169184A JP2020169184A JP7654375B2 JP 7654375 B2 JP7654375 B2 JP 7654375B2 JP 2020169184 A JP2020169184 A JP 2020169184A JP 2020169184 A JP2020169184 A JP 2020169184A JP 7654375 B2 JP7654375 B2 JP 7654375B2
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Japan
Prior art keywords
color
image
image data
reading mode
reading
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JP2020169184A
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Japanese (ja)
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JP2022061279A5 (https=
JP2022061279A (ja
Inventor
裕之 酒井
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2020169184A priority Critical patent/JP7654375B2/ja
Priority to US17/470,088 priority patent/US11405525B2/en
Publication of JP2022061279A publication Critical patent/JP2022061279A/ja
Publication of JP2022061279A5 publication Critical patent/JP2022061279A5/ja
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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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00005—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to image data
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00007—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for relating to particular apparatus or devices
    • H04N1/00013—Reading apparatus
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00037—Detecting, i.e. determining the occurrence of a predetermined state
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • 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
    • 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
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/644—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor using a reduced set of representative colours, e.g. each representing a particular range in a colour space

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2020169184A 2020-10-06 2020-10-06 画像処理装置、画像処理装置の制御方法、及びプログラム Active JP7654375B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020169184A JP7654375B2 (ja) 2020-10-06 2020-10-06 画像処理装置、画像処理装置の制御方法、及びプログラム
US17/470,088 US11405525B2 (en) 2020-10-06 2021-09-09 Image processing apparatus, control method, and product capable of improving compression efficiency by converting close color to background color in a low light reading mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020169184A JP7654375B2 (ja) 2020-10-06 2020-10-06 画像処理装置、画像処理装置の制御方法、及びプログラム

Publications (3)

Publication Number Publication Date
JP2022061279A JP2022061279A (ja) 2022-04-18
JP2022061279A5 JP2022061279A5 (https=) 2023-10-04
JP7654375B2 true JP7654375B2 (ja) 2025-04-01

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US (1) US11405525B2 (https=)
JP (1) JP7654375B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240034906A (ko) * 2022-09-07 2024-03-15 현대모비스 주식회사 3d 서라운드뷰의 실시간 이미지 기반 조명 방법 및 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262344A (ja) 2005-03-18 2006-09-28 Toshiba Corp 画像形成装置および画像形成方法
JP2006303784A (ja) 2005-04-19 2006-11-02 Canon Inc 画像読取装置及び方法
JP2007124541A (ja) 2005-10-31 2007-05-17 Canon Inc 画像処理装置、画像処理方法、コンピュータプログラムおよび記録媒体
JP2014128023A (ja) 2012-12-27 2014-07-07 Brother Ind Ltd 画像処理装置およびコンピュータプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4137081B2 (ja) 2005-04-06 2008-08-20 キヤノン株式会社 画像読取装置
JP4991604B2 (ja) 2008-03-17 2012-08-01 キヤノン株式会社 画像処理装置、画像処理方法
JP5743384B2 (ja) 2009-04-14 2015-07-01 キヤノン株式会社 画像処理装置及び画像処理方法とコンピュータプログラム
JP5595121B2 (ja) 2010-05-24 2014-09-24 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
JP5956860B2 (ja) 2012-07-09 2016-07-27 キヤノン株式会社 画像処理装置、画像処理方法、プログラム
JP5993642B2 (ja) 2012-07-09 2016-09-14 キヤノン株式会社 情報処理装置及びその制御方法及びプログラム
JP6039942B2 (ja) 2012-07-09 2016-12-07 キヤノン株式会社 情報処理装置及びその制御方法及びプログラム
JP6012310B2 (ja) 2012-07-09 2016-10-25 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
JP5860854B2 (ja) * 2013-08-22 2016-02-16 京セラドキュメントソリューションズ株式会社 画像読取装置、およびこれを備えた画像形成装置
JP6472300B2 (ja) 2015-03-31 2019-02-20 キヤノン株式会社 画像処理装置および情報処理装置、並びに、それらの方法
JP2019193004A (ja) * 2018-04-20 2019-10-31 京セラドキュメントソリューションズ株式会社 画像形成装置
JP7433912B2 (ja) 2020-01-06 2024-02-20 キヤノン株式会社 情報処理装置、情報処理装置の制御方法、プログラム、および記憶媒体
JP7521223B2 (ja) * 2020-03-27 2024-07-24 ブラザー工業株式会社 画像読取装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262344A (ja) 2005-03-18 2006-09-28 Toshiba Corp 画像形成装置および画像形成方法
JP2006303784A (ja) 2005-04-19 2006-11-02 Canon Inc 画像読取装置及び方法
JP2007124541A (ja) 2005-10-31 2007-05-17 Canon Inc 画像処理装置、画像処理方法、コンピュータプログラムおよび記録媒体
JP2014128023A (ja) 2012-12-27 2014-07-07 Brother Ind Ltd 画像処理装置およびコンピュータプログラム

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US11405525B2 (en) 2022-08-02
US20220109777A1 (en) 2022-04-07
JP2022061279A (ja) 2022-04-18

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