JP2017200728A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2017200728A5 JP2017200728A5 JP2016092668A JP2016092668A JP2017200728A5 JP 2017200728 A5 JP2017200728 A5 JP 2017200728A5 JP 2016092668 A JP2016092668 A JP 2016092668A JP 2016092668 A JP2016092668 A JP 2016092668A JP 2017200728 A5 JP2017200728 A5 JP 2017200728A5
- Authority
- JP
- Japan
- Prior art keywords
- image processing
- correction
- processing method
- image
- information
- 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.)
- Granted
Links
- 238000003672 processing method Methods 0.000 claims 23
- 238000000034 method Methods 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 5
- 238000005755 formation reaction Methods 0.000 claims 5
Claims (10)
補正前後で出力した補正用チャートの色情報を計測した結果に基づいて算出する算出処理を、画像形成に用いる色毎に複数回行い、
算出した補正情報に基づいて画像データを補正する画像処理方法であって、
複数回行う前記算出処理の内、前回の前記補正用チャートの補正結果よりも、主走査方向のむらが大きくなっていた回の補正情報を破棄することを特徴とする画像処理方法。 Correction information in which a correction value for obtaining a target output value is associated with each combination of a plurality of density values and a plurality of positions in the main scanning direction,
A calculation process for calculating the color information of the correction chart output before and after correction is performed a plurality of times for each color used for image formation,
An image processing method for correcting image data based on calculated correction information,
An image processing method for discarding correction information of a time in which unevenness in the main scanning direction is larger than a correction result of the previous correction chart among the calculation processes performed a plurality of times.
前記算出した補正情報を適用した場合の効果を確認するための補正確認用チャートを出力し、更なる補正が必要か否か判断する判断手段を備えることを特徴とする画像処理方法。 The image processing method according to claim 1,
An image processing method, comprising: a determination unit that outputs a correction confirmation chart for confirming an effect when the calculated correction information is applied, and determines whether further correction is necessary.
前記色情報の計測に測色器を用いて、むらの大小判定に主走査方向内での色差を用いることを特徴とする画像処理方法。 The image processing method according to claim 1 or 2,
An image processing method, wherein a colorimeter is used for measuring the color information, and a color difference in the main scanning direction is used for unevenness determination.
主走査方向内での最大色差が３．０よりも小さくなったときに処理を終了させることを特徴とする画像処理方法。 The image processing method according to any one of claims 1 to 3,
An image processing method, comprising: terminating a process when a maximum color difference in a main scanning direction is smaller than 3.0.
前記色情報の計測に測色器を用いて、むらの大小判定に主走査方向内の最大濃度と最小濃度の差を用いることを特徴とする画像処理方法。 The image processing method according to claim 1 or 2,
An image processing method, wherein a colorimeter is used for measuring the color information, and a difference between the maximum density and the minimum density in the main scanning direction is used for unevenness determination.
前記色情報の計測にスキャナを用いて、むらの大小判定に主走査方向内のＲＧＢ輝度値での最大と最小の差を用いることを特徴とする画像処理方法。 The image processing method according to claim 1 or 2,
An image processing method using a scanner for measuring the color information, and using a maximum and minimum difference in RGB luminance values in the main scanning direction for unevenness determination.
補正前後で出力した補正用チャートの色情報を計測した結果に基づいて算出する算出処理を、画像形成に用いる色毎に複数回行い、
算出した補正情報に基づいて画像データを補正する画像処理方法を用いる画像処理装置であって、
前記画像処理方法として、請求項１乃至６のいずれか一に記載の画像処理方法を用いることを特徴とする画像処理装置。 Correction information in which a correction value for obtaining a target output value is associated with each combination of a plurality of density values and a plurality of positions in the main scanning direction,
A calculation process for calculating the color information of the correction chart output before and after correction is performed a plurality of times for each color used for image formation,
An image processing apparatus using an image processing method for correcting image data based on calculated correction information,
An image processing apparatus using the image processing method according to claim 1 as the image processing method.
補正前後で出力した補正用チャートの色情報を計測した結果に基づいて算出する算出処理を、画像形成に用いる色毎に複数回行い、
算出した補正情報に基づいて画像データを補正する画像処理方法を用いる、又は前記画像処理方法を用いる画像処理装置を備える画像形成装置であって、
前記画像処理方法として、請求項１乃至６のいずれか一に記載の画像処理方法を用いる、又は前記画像処理装置として、請求項７に記載の画像処理装置を備えることを特徴とする画像形成装置。 Correction information in which a correction value for obtaining a target output value is associated with each combination of a plurality of density values and a plurality of positions in the main scanning direction,
A calculation process for calculating the color information of the correction chart output before and after correction is performed a plurality of times for each color used for image formation,
An image forming apparatus using an image processing method for correcting image data based on calculated correction information, or comprising an image processing apparatus using the image processing method,
An image forming apparatus using the image processing method according to any one of claims 1 to 6 as the image processing method, or comprising the image processing device according to claim 7 as the image processing device. .
補正前後で出力した補正用チャートの色情報を計測した結果に基づいて算出する算出処理を、画像形成に用いる色毎に複数回行い、
算出した補正情報に基づいて画像データを補正する画像処理方法を用いる画像処理装置と、記録材に画像を形成する画像形成装置とを備える画像形成システムであって、
前記画像処理装置として、請求項７に記載の画像処理装置を備えることを特徴とする画像形成システム。 Correction information in which a correction value for obtaining a target output value is associated with each combination of a plurality of density values and a plurality of positions in the main scanning direction,
A calculation process for calculating the color information of the correction chart output before and after correction is performed a plurality of times for each color used for image formation,
An image forming system comprising: an image processing apparatus that uses an image processing method that corrects image data based on calculated correction information; and an image forming apparatus that forms an image on a recording material,
An image forming system comprising the image processing apparatus according to claim 7 as the image processing apparatus.
補正前後で出力した補正用チャートの色情報を計測した結果に基づいて算出する算出処理を、画像形成に用いる色毎に複数回行い、
算出した補正情報に基づいて画像データを補正する画像処理方法を、画像処理装置、画像形成装置、及び画像形成システムのいずれかで実行させるプログラムであって、
前記画像処理方法として、請求項１乃至６のいずれか一に記載の画像処理方法を実行させることを特徴とするプログラム。 Correction information in which a correction value for obtaining a target output value is associated with each combination of a plurality of density values and a plurality of positions in the main scanning direction,
A calculation process for calculating the color information of the correction chart output before and after correction is performed a plurality of times for each color used for image formation,
A program that causes an image processing method for correcting image data based on calculated correction information to be executed by any of an image processing apparatus, an image forming apparatus, and an image forming system,
A program that causes the image processing method according to any one of claims 1 to 6 to be executed as the image processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016092668A JP6745058B2 (en) | 2016-05-02 | 2016-05-02 | Image processing method, image processing apparatus, image forming apparatus, image forming system, and program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016092668A JP6745058B2 (en) | 2016-05-02 | 2016-05-02 | Image processing method, image processing apparatus, image forming apparatus, image forming system, and program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017200728A JP2017200728A (en) | 2017-11-09 |
| JP2017200728A5 true JP2017200728A5 (en) | 2019-04-04 |
| JP6745058B2 JP6745058B2 (en) | 2020-08-26 |
Family
ID=60264281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016092668A Expired - Fee Related JP6745058B2 (en) | 2016-05-02 | 2016-05-02 | Image processing method, image processing apparatus, image forming apparatus, image forming system, and program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6745058B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7223247B2 (en) | 2018-09-27 | 2023-02-16 | 株式会社リコー | image forming device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7310187B2 (en) * | 2019-03-18 | 2023-07-19 | 富士フイルムビジネスイノベーション株式会社 | image forming device |
| JP7344461B2 (en) * | 2019-07-02 | 2023-09-14 | 株式会社リコー | Image forming device |
| JP2023063803A (en) | 2021-10-25 | 2023-05-10 | 株式会社リコー | Image forming apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10322490A (en) * | 1997-05-20 | 1998-12-04 | Ricoh Co Ltd | Image forming device |
| JP2001066835A (en) * | 1999-08-27 | 2001-03-16 | Ricoh Co Ltd | Image density correcting method in image forming device |
| JP2005081581A (en) * | 2003-09-05 | 2005-03-31 | Fuji Xerox Co Ltd | Image density correction amount setting device, image formation apparatus, image formation system, image density correction amount setting method, and image density correction amount setting program |
| JP4661375B2 (en) * | 2005-06-10 | 2011-03-30 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP4661376B2 (en) * | 2005-06-10 | 2011-03-30 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP2012186712A (en) * | 2011-03-07 | 2012-09-27 | Fuji Xerox Co Ltd | Image processing device and program |
| JP5870548B2 (en) * | 2011-08-25 | 2016-03-01 | コニカミノルタ株式会社 | Image forming apparatus and correction value calculation method |
| JP2014100854A (en) * | 2012-11-20 | 2014-06-05 | Fujifilm Corp | Apparatus and method for image formation and method of calculating correction value |
| JP2014119713A (en) * | 2012-12-19 | 2014-06-30 | Ricoh Co Ltd | Image forming apparatus |
| JP2015060010A (en) * | 2013-09-17 | 2015-03-30 | 株式会社リコー | Image formation device |
-
2016
- 2016-05-02 JP JP2016092668A patent/JP6745058B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7223247B2 (en) | 2018-09-27 | 2023-02-16 | 株式会社リコー | image forming device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PH12016502339A1 (en) | Image processing system, imaging apparatus, image processing method, and computer-readable storage medium | |
| JP2015211319A5 (en) | Image processing apparatus, image processing method, and program | |
| JP2017200728A5 (en) | ||
| EP2775699A3 (en) | Color image processing apparatus, method for processing color image, and program for executing method for processing color image | |
| JP2016519822A5 (en) | ||
| JP2009044681A5 (en) | ||
| JP2016092618A5 (en) | Imaging device and method performed in imaging device | |
| JP2011004353A5 (en) | ||
| JP2009239358A5 (en) | ||
| JP2009198727A5 (en) | ||
| TW201612851A (en) | Image restoration method and image processing apparatus using the same | |
| JP2016064632A5 (en) | ||
| JP2015192203A5 (en) | ||
| JP2016009941A5 (en) | ||
| JP2011258179A5 (en) | ||
| JP2015037204A5 (en) | ||
| JP2017098677A5 (en) | Image processing apparatus, image processing method, and program | |
| JP2015138399A5 (en) | ||
| JP2015161686A5 (en) | ||
| JP2015207825A5 (en) | ||
| JP2016081149A5 (en) | ||
| JP2019008408A5 (en) | ||
| JP2014121079A5 (en) | ||
| JPWO2021064912A5 (en) | ||
| JP2017073706A5 (en) |