JP7766437B2 - 画像形成装置 - Google Patents

画像形成装置

Info

Publication number
JP7766437B2
JP7766437B2 JP2021153618A JP2021153618A JP7766437B2 JP 7766437 B2 JP7766437 B2 JP 7766437B2 JP 2021153618 A JP2021153618 A JP 2021153618A JP 2021153618 A JP2021153618 A JP 2021153618A JP 7766437 B2 JP7766437 B2 JP 7766437B2
Authority
JP
Japan
Prior art keywords
density
image
image forming
predicted
output
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.)
Active
Application number
JP2021153618A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023045298A (ja
JP2023045298A5 (enExample
Inventor
太一 竹村
暁仁 横手
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 JP2021153618A priority Critical patent/JP7766437B2/ja
Priority to US17/948,915 priority patent/US11758058B2/en
Publication of JP2023045298A publication Critical patent/JP2023045298A/ja
Publication of JP2023045298A5 publication Critical patent/JP2023045298A5/ja
Application granted granted Critical
Publication of JP7766437B2 publication Critical patent/JP7766437B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N1/00002—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
    • H04N1/00015—Reproducing 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
    • H04N1/00034—Measuring, i.e. determining a quantity by comparison with a standard
    • 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
    • H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
    • 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
    • H04N1/00055—Methods therefor automatically on a periodic basis
    • 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
    • H04N1/00068—Calculating or estimating
    • 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
    • H04N1/00071—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for characterised by the action taken
    • H04N1/00082—Adjusting or controlling
    • H04N1/00087—Setting or calibrating
    • 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
    • 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
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • H04N1/6036—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis involving periodic tests or tests during use of the machine
    • 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
    • H04N1/6044—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis involving a sensor integrated in the machine or otherwise specifically adapted to read the test pattern
    • 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
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • H04N1/6063—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut dependent on the contents of the image to be reproduced
    • 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
    • H04N1/6083—Colour correction or control controlled by factors external to the apparatus
    • H04N1/6091—Colour correction or control controlled by factors external to the apparatus by environmental factors, e.g. temperature or humidity

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
JP2021153618A 2021-09-21 2021-09-21 画像形成装置 Active JP7766437B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021153618A JP7766437B2 (ja) 2021-09-21 2021-09-21 画像形成装置
US17/948,915 US11758058B2 (en) 2021-09-21 2022-09-20 Image forming apparatus controlling timing of forming measurement image based on prior measurements and density of image to be formed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021153618A JP7766437B2 (ja) 2021-09-21 2021-09-21 画像形成装置

Publications (3)

Publication Number Publication Date
JP2023045298A JP2023045298A (ja) 2023-04-03
JP2023045298A5 JP2023045298A5 (enExample) 2024-10-01
JP7766437B2 true JP7766437B2 (ja) 2025-11-10

Family

ID=85572506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021153618A Active JP7766437B2 (ja) 2021-09-21 2021-09-21 画像形成装置

Country Status (2)

Country Link
US (1) US11758058B2 (enExample)
JP (1) JP7766437B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7657673B2 (ja) * 2021-07-13 2025-04-07 キヤノン株式会社 画像形成装置
JP2023132631A (ja) * 2022-03-11 2023-09-22 セイコーエプソン株式会社 画像形成装置、及び、画像形成装置の制御方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003167394A (ja) 2001-11-29 2003-06-13 Canon Inc 画像形成装置
US20110026945A1 (en) 2009-07-30 2011-02-03 Xerox Corporation Xerographic process controls scheduling approach to mitigate costs of measurement
JP2013080255A (ja) 2008-09-25 2013-05-02 Canon Inc 画像形成装置および画像形成方法
JP2015210499A (ja) 2014-04-30 2015-11-24 キヤノン株式会社 画像形成装置
JP2017037100A (ja) 2015-08-06 2017-02-16 キヤノン株式会社 画像形成装置およびその制御方法
JP2020091427A (ja) 2018-12-06 2020-06-11 キヤノン株式会社 画像形成装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220373A (en) 1991-03-22 1993-06-15 Ricoh Company, Ltd. Electrophotographic process control device using a neural network for estimating states of the device
JPH0572859A (ja) 1991-03-22 1993-03-26 Ricoh Co Ltd 電子写真プロセス制御装置
JP3441994B2 (ja) 1999-02-24 2003-09-02 キヤノン株式会社 画像処理装置及びその制御方法
WO2003071359A1 (fr) * 2002-02-20 2003-08-28 Seiko Epson Corporation Appareil et procede de formation d'images
KR101265264B1 (ko) * 2006-07-31 2013-05-16 삼성전자주식회사 테스트 패턴을 이용한 토너농도 추정 방법 및 장치, 이를이용한 토너 공급 방법 및 장치
US8194299B2 (en) * 2007-11-15 2012-06-05 Kabuhsiki Kaisha Toshiba Image forming apparatus and image quality adjustment method of image forming apparatus
JP5803268B2 (ja) * 2010-07-23 2015-11-04 株式会社リコー 画像形成装置、画像形成方法、およびプログラム
JP6185821B2 (ja) * 2013-10-25 2017-08-23 キヤノン株式会社 画像形成装置
JP2017198913A (ja) 2016-04-28 2017-11-02 キヤノン株式会社 画像形成装置、画像形成装置の制御方法
JP7350560B2 (ja) 2019-08-08 2023-09-26 キヤノン株式会社 画像形成装置
JP7463084B2 (ja) 2019-11-20 2024-04-08 キヤノン株式会社 画像形成装置
JP7500239B2 (ja) 2020-03-24 2024-06-17 キヤノン株式会社 画像形成装置
JP2022026210A (ja) * 2020-07-30 2022-02-10 キヤノン株式会社 画像形成装置
JP7533013B2 (ja) * 2020-08-21 2024-08-14 コニカミノルタ株式会社 画像形成装置及びプログラム
JP7657673B2 (ja) * 2021-07-13 2025-04-07 キヤノン株式会社 画像形成装置
JP7699503B2 (ja) * 2021-09-07 2025-06-27 キヤノン株式会社 画像形成装置
JP7716296B2 (ja) * 2021-09-28 2025-07-31 キヤノン株式会社 画像形成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003167394A (ja) 2001-11-29 2003-06-13 Canon Inc 画像形成装置
JP2013080255A (ja) 2008-09-25 2013-05-02 Canon Inc 画像形成装置および画像形成方法
US20110026945A1 (en) 2009-07-30 2011-02-03 Xerox Corporation Xerographic process controls scheduling approach to mitigate costs of measurement
JP2015210499A (ja) 2014-04-30 2015-11-24 キヤノン株式会社 画像形成装置
JP2017037100A (ja) 2015-08-06 2017-02-16 キヤノン株式会社 画像形成装置およびその制御方法
JP2020091427A (ja) 2018-12-06 2020-06-11 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
JP2023045298A (ja) 2023-04-03
US20230090095A1 (en) 2023-03-23
US11758058B2 (en) 2023-09-12

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