JP2007282194A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2007282194A5 JP2007282194A5 JP2007039555A JP2007039555A JP2007282194A5 JP 2007282194 A5 JP2007282194 A5 JP 2007282194A5 JP 2007039555 A JP2007039555 A JP 2007039555A JP 2007039555 A JP2007039555 A JP 2007039555A JP 2007282194 A5 JP2007282194 A5 JP 2007282194A5
- Authority
- JP
- Japan
- Prior art keywords
- color material
- color
- dimensional table
- material amount
- amount
- 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 13
- 230000000875 corresponding Effects 0.000 claims 4
Claims (12)
前記濃色材と前記淡色材との合計色材量を、色材量制限値と前記記録装置で用いる色材の色材量との関係から求める第1工程と、
前記濃色材の色材量と前記淡色材の色材量との合計で表現される色の濃度を求める第2工程と、
前記合計色材量と前記濃度とに基づき、前記濃色材および前記淡色材それぞれの色材値信号を求める第3工程と、
を有することを特徴とする色処理方法。 The input color signal includes a color material value signal of a dark color material used in the recording apparatus, and a color material value signal including a color material value signal of the light color material used in the recording apparatus that has the same hue and low density as the dark color material. In the color processing method for converting to
A first step of obtaining a total color material amount of the dark color material and the light color material from a relationship between a color material amount limit value and a color material amount of a color material used in the recording apparatus;
A second step of obtaining a density of a color expressed by a sum of the color material amount of the dark color material and the color material amount of the light color material;
A third step of obtaining a color material value signal of each of the dark color material and the light color material based on the total color material amount and the density;
A color processing method comprising:
前記色材量制限値と、前記入力信号に対応する色材の色材量の合計との差を求める工程と、
前記入力信号に対応する複数の色材の色材量から、それぞれの色材について前記合計色材量が増加可能な色材量を求める工程と、
前記複数の色材におけるそれぞれの前記増加可能な色材量の割合に基づいて、前記差を前記濃色材と前記淡色材の合計色材量に加える工程と、
を有することを特徴とする請求項1または請求項2に記載の色処理方法。 The first step includes
Obtaining a difference between the color material amount limit value and the total color material amount of the color material corresponding to the input signal;
Obtaining a color material amount capable of increasing the total color material amount for each color material from the color material amounts of a plurality of color materials corresponding to the input signal;
Adding the difference to a total color material amount of the dark color material and the light color material based on a ratio of the increaseable color material amount of each of the plurality of color materials;
The color processing method according to claim 1, further comprising:
前記1次元テーブルから、前記入力色信号によって規定される格子点に対応する色材量を計算し、3次元テーブルを生成する工程とを有し、
前記第1工程は、前記3次元テーブルに基づいて前記関係を求め、
前記第2工程は、前記3次元テーブルに基づいて、前記濃色材の色材量と前記淡色材の色材量との合計で表現される濃度を求めることを特徴とする請求項1から請求項3のいずれか一項に記載の色処理方法。 A step of generating a one-dimensional table that defines the color material amount of the color material with respect to the input color signal for the primary color, secondary color, and tertiary color of the color material used in the recording apparatus;
Calculating a color material amount corresponding to a grid point defined by the input color signal from the one-dimensional table, and generating a three-dimensional table,
The first step determines the relationship based on the three-dimensional table,
2. The method according to claim 1, wherein the second step obtains a density expressed by a sum of a color material amount of the dark color material and a color material amount of the light color material based on the three-dimensional table. Item 4. The color processing method according to any one of Items 3 to 3.
CMY空間における立方体の頂点を結ぶ所定のライン上の格子点、および、その内部の格子点に基づき、前記CMY空間において前記入力色信号が属する四面体を判定する工程と、
前記判定された四面体を規定する前記1次元テーブルに基づき、前記入力色信号に対応する色材量を算出する工程と、
を有することを特徴とする請求項5から請求項6のいずれか一項に記載の色処理方法。 The step of generating the three-dimensional table includes
Determining a tetrahedron to which the input color signal belongs in the CMY space based on a grid point on a predetermined line connecting the vertices of a cube in the CMY space, and a grid point inside the grid point;
Calculating a color material amount corresponding to the input color signal based on the one-dimensional table defining the determined tetrahedron;
The color processing method according to claim 5, further comprising:
少なくとも前記1次色の1次元テーブルを入力し、前記3次色の1次元テーブルを入力しない場合は、前記1次色の1次元テーブルを代替とする工程を有することを特徴とする請求項5から請求項7のいずれか一項に記載の色処理方法。 The step of generating the three-dimensional table includes
6. The method according to claim 5, further comprising a step of substituting the one-dimensional table of the primary color when at least the one-dimensional table of the primary color is input and the one-dimensional table of the tertiary color is not input. The color processing method according to claim 7.
少なくとも前記1次色の1次元テーブルを入力し、前記2次色の1次元テーブルを入力しない場合は、前記1次色の1次元テーブルを代替とする工程を有することを特徴とする請求項5から請求項8のいずれか一項に記載の色処理方法。 The step of generating the three-dimensional table includes
6. The method according to claim 5, further comprising a step of substituting the one-dimensional table of the primary color when at least the one-dimensional table of the primary color is input and the one-dimensional table of the secondary color is not input. The color processing method according to claim 8.
前記濃色材と前記淡色材との合計色材量を、色材量制限値と前記記録装置で用いる色材の色材量との関係から求める第1手段と、
前記濃色材の色材量と前記淡色材の色材量との合計で表現される色の濃度を求める第2手段と、
前記合計色材量と前記濃度とに基づき、前記濃色材および前記淡色材それぞれの色材値信号を求める第3手段と、
を有することを特徴とする色処理装置。 The input color signal includes a color material value signal of a dark color material used in the recording apparatus, and a color material value signal including a color material value signal of the light color material used in the recording apparatus that has the same hue and low density as the dark color material. In the color processing device for converting to
A first means for obtaining a total color material amount of the dark color material and the light color material from a relationship between a color material amount limit value and a color material amount of a color material used in the recording apparatus;
A second means for obtaining a density of a color expressed by a sum of a color material amount of the dark color material and a color material amount of the light color material;
Third means for obtaining a color material value signal of each of the dark color material and the light color material based on the total color material amount and the density;
A color processing apparatus comprising:
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007039555A JP4777275B2 (en) | 2006-03-14 | 2007-02-20 | Color processing method and color processing apparatus |
PCT/JP2007/054823 WO2007105683A1 (en) | 2006-03-14 | 2007-03-12 | Color resolution method and video image processing device |
US12/282,661 US8184348B2 (en) | 2006-03-14 | 2007-03-12 | Color separation method and image processing apparatus |
EP07738295A EP1998551A1 (en) | 2006-03-14 | 2007-03-12 | Color resolution method and video image processing device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006069604 | 2006-03-14 | ||
JP2006069604 | 2006-03-14 | ||
JP2007039555A JP4777275B2 (en) | 2006-03-14 | 2007-02-20 | Color processing method and color processing apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007282194A JP2007282194A (en) | 2007-10-25 |
JP2007282194A5 true JP2007282194A5 (en) | 2010-04-08 |
JP4777275B2 JP4777275B2 (en) | 2011-09-21 |
Family
ID=38683139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007039555A Expired - Fee Related JP4777275B2 (en) | 2006-03-14 | 2007-02-20 | Color processing method and color processing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4777275B2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5049768B2 (en) * | 2007-12-21 | 2012-10-17 | キヤノン株式会社 | Color separation table creation method and image forming apparatus |
US8040568B2 (en) * | 2008-06-09 | 2011-10-18 | Xerox Corporation | 4+ color management using a virtual CMYK color paradigm |
JP5429456B2 (en) | 2009-04-24 | 2014-02-26 | 富士ゼロックス株式会社 | Color conversion apparatus and color conversion program |
JP5863407B2 (en) * | 2010-12-08 | 2016-02-16 | キヤノン株式会社 | Image processing apparatus, image processing method, and program |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001318499A (en) * | 2000-05-10 | 2001-11-16 | Konica Corp | Image forming device |
JP4035278B2 (en) * | 2000-07-14 | 2008-01-16 | キヤノン株式会社 | Image processing method, apparatus, and recording medium |
JP2002152529A (en) * | 2000-11-07 | 2002-05-24 | Canon Inc | Image processing method, device thereof and recording medium |
JP4693277B2 (en) * | 2001-05-09 | 2011-06-01 | キヤノン株式会社 | Printing system, printing method of printing system, image processing apparatus, processing method of image processing apparatus, and storage medium |
JP3943886B2 (en) * | 2001-10-04 | 2007-07-11 | キヤノン株式会社 | Table creation method, table creation device, storage medium, and program |
JP4035450B2 (en) * | 2003-01-30 | 2008-01-23 | キヤノン株式会社 | How to create a color separation table |
JP2004291267A (en) * | 2003-03-25 | 2004-10-21 | Fuji Photo Film Co Ltd | Color material amount distribution device and method for forming color material amount distribution definition |
-
2007
- 2007-02-20 JP JP2007039555A patent/JP4777275B2/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2008154008A5 (en) | ||
US7692831B2 (en) | Image processing apparatus and method thereof | |
CN101515990B (en) | Color correction coefficient generator and color correction coefficient generation method | |
JP2011004167A5 (en) | ||
JP2018182506A5 (en) | Color conversion table creating device, color conversion table creating method, color conversion processing device, color conversion processing method, and program | |
JP2008294928A5 (en) | ||
JP2007221182A (en) | Apparatus, program and method of processing image | |
US8861025B2 (en) | Color adjustment method, color adjustment apparatus and computer readable medium storing color adjustment program | |
CN103677640A (en) | Virtual keyboard self-adaptation application theme method and system | |
JP2007282194A5 (en) | ||
US7616216B2 (en) | Digital content creation system, program product, and storage medium | |
WO2007084062A8 (en) | Image processing | |
JP2019041173A (en) | Profile adjustment system, profile adjustment apparatus, profile adjustment method and profile adjustment program | |
CN102180003B (en) | Method of correcting printer spectrum characterization model | |
WO2006081253A3 (en) | Color conversion using barycentric projections | |
JP2006150810A5 (en) | ||
JP2003125210A (en) | Color processing method, storage medium, color processor color converter, and image forming device | |
US8743439B2 (en) | Method for generating an optimized printer calibration | |
JP2010246104A (en) | Device, method and program for creating color space model, and recording medium of the same | |
US9253370B2 (en) | Normalization method for a value of an equivalent lightness and a value of a degree of vividness of an arbitrary color, tone type identification method, munsell value calculating method, image formation method and interface screen display device | |
JP2009225479A (en) | Image processor, image processing method, and program | |
JP2007324989A5 (en) | ||
CN103856687A (en) | Color converting apparatus and color converting method for designated-color printing | |
Slavuj et al. | Estimating Neugebauer primaries for multi-channel spectral printing modeling | |
JP6155766B2 (en) | Print reproduction color prediction method |