JP2006237861A5 - - Google Patents
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- JP2006237861A5 JP2006237861A5 JP2005047602A JP2005047602A JP2006237861A5 JP 2006237861 A5 JP2006237861 A5 JP 2006237861A5 JP 2005047602 A JP2005047602 A JP 2005047602A JP 2005047602 A JP2005047602 A JP 2005047602A JP 2006237861 A5 JP2006237861 A5 JP 2006237861A5
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- 238000006243 chemical reaction Methods 0.000 claims 36
- 238000003384 imaging method Methods 0.000 claims 9
- 238000000034 method Methods 0.000 claims 1
Claims (12)
変換元色が変換目標色に変換されるように、前記ルックアップテーブルにおいて該変換元色の周囲の格子点に登録された出力値を変更する第１変更手段と、
入力された色値を、前記ルックアップテーブルの該色値の周囲の格子点に登録されている出力値に基づいて変換する色変換手段とを備え、
前記第１変更手段は、隣接する格子点の出力値の差があらかじめ定められた第１の値以内となるように格子点に登録された出力値を変更することを特徴とする色変換装置。 A lookup table in which output values are registered at each grid point of a plurality of grids obtained by dividing a space for color expression;
First changing means for changing an output value registered at a grid point around the conversion source color in the lookup table so that the conversion source color is converted into a conversion target color;
Color conversion means for converting the input color value based on output values registered in grid points around the color value of the lookup table;
The color conversion apparatus according to claim 1, wherein the first changing unit changes the output value registered in the grid point so that the difference between the output values of adjacent grid points is within a predetermined first value.
前記第１変更手段と前記第２変更手段を選択的に機能させるための選択手段とを更に供えることを特徴とする請求項１に記載の色変換装置。 In changing the look-up table so that the conversion source color is converted into the conversion target color, the output value registered in the grid points around the conversion source color is determined in advance. Second changing means for limiting and changing to be equal to or less than the second value;
2. The color conversion apparatus according to claim 1, further comprising selection means for selectively causing the first change means and the second change means to function.
色表現の空間を区切って得られる複数の格子の各格子点に出力値が登録されたルックアップテーブルと、
変換元色が変換目標色に変換されるように、前記ルックアップテーブルにおいて該変換元色の周囲の格子点の出力値を変更する第１変更手段と、
前記撮像手段で得られた画像データの各色値を、前記ルックアップテーブルの該色値の周囲の格子点に登録されている出力値に基づいて変換する色変換手段とを備え、
前記第１変更手段は、隣接する格子点の出力値の差があらかじめ定められた第１の値以内となるように格子点の出力値を変更することを特徴とする撮像装置。 An imaging apparatus comprising: an imaging unit; an image processing unit that processes image data obtained by the imaging unit; and a recording unit that records image data output from the image processing unit,
A lookup table in which output values are registered at each grid point of a plurality of grids obtained by dividing a space for color expression;
First changing means for changing output values of grid points around the conversion source color in the lookup table so that the conversion source color is converted into a conversion target color;
Color conversion means for converting each color value of the image data obtained by the imaging means based on output values registered in grid points around the color value of the lookup table;
The imaging apparatus according to claim 1, wherein the first changing unit changes the output value of the grid point so that a difference between output values of adjacent grid points is within a predetermined first value.
前記第１変更手段と前記第２変更手段を選択的に機能させるための選択手段とを更に供えることを特徴とする請求項４に記載の撮像装置。 In changing the look-up table so that the conversion source color is converted into the conversion target color, the output value registered in the grid points around the conversion source color is determined in advance. Second changing means for limiting and changing to be equal to or less than the second value;
The imaging apparatus according to claim 4, further comprising selection means for selectively causing the first change means and the second change means to function.
前記表示手段に表示された画像の所定領域を指定することにより前記変換元色及び前記変換目標色を指定する指定手段とを更に備えることを特徴とする請求項４又は５に記載の撮像装置。 Display means for displaying an electronic viewfinder screen based on an image captured by the imaging means;
The imaging apparatus according to claim 4, further comprising a designation unit that designates the conversion source color and the conversion target color by designating a predetermined area of the image displayed on the display unit.
変換元色が変換目標色に変換されるように、前記ルックアップテーブルの該変換元色の周囲の格子点に登録された出力値を変更する第１変更工程と、
入力された色値を、前記ルックアップテーブルの該色値の周囲の格子点に登録されている出力値に基づいて変換する色変換工程とを備え、
前記第１変更工程は、隣接する格子点の出力値の差があらかじめ定められた第１の値以内となるように格子点に登録された出力値を変更することを特徴とする色変換方法。 A color conversion method using a lookup table in which output values are registered at each grid point of a plurality of grids obtained by dividing a color expression space,
A first changing step of changing an output value registered at a grid point around the conversion source color in the lookup table so that the conversion source color is converted into a conversion target color;
A color conversion step of converting an input color value based on an output value registered in grid points around the color value of the lookup table;
The color conversion method according to claim 1, wherein the first changing step changes the output value registered at the grid point so that a difference between output values of adjacent grid points is within a predetermined first value.
前記第１変更工程と前記第２変更工程を選択的に実行させるための選択工程とを更に供えることを特徴とする請求項８に記載の色変換方法。 In changing the look-up table so that the conversion source color is converted into the conversion target color, the output value registered in the grid points around the conversion source color is determined in advance. A second changing step for limiting and changing to be equal to or less than the second value;
The color conversion method according to claim 8, further comprising a selection step for selectively executing the first change step and the second change step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005047602A JP4481846B2 (en) | 2005-02-23 | 2005-02-23 | Color conversion apparatus and method, and imaging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005047602A JP4481846B2 (en) | 2005-02-23 | 2005-02-23 | Color conversion apparatus and method, and imaging apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006237861A JP2006237861A (en) | 2006-09-07 |
| JP2006237861A5 true JP2006237861A5 (en) | 2008-04-10 |
| JP4481846B2 JP4481846B2 (en) | 2010-06-16 |
Family
ID=37045055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005047602A Expired - Fee Related JP4481846B2 (en) | 2005-02-23 | 2005-02-23 | Color conversion apparatus and method, and imaging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4481846B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4277890B2 (en) * | 2006-09-28 | 2009-06-10 | セイコーエプソン株式会社 | Document editing apparatus, program, and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08191400A (en) * | 1995-01-11 | 1996-07-23 | Dainippon Printing Co Ltd | Method and device for adjusting color of color image |
| JP3907810B2 (en) * | 1998-01-07 | 2007-04-18 | 富士フイルム株式会社 | Three-dimensional lookup table correction method, image processing apparatus for performing the same, and digital color printer having the same |
| JP4710143B2 (en) * | 2001-02-07 | 2011-06-29 | 株式会社ニコン | Electronic camera |
| JP2004080100A (en) * | 2002-08-09 | 2004-03-11 | Canon Inc | Method and apparatus for creating color conversion table, method and apparatus for converting colors, and imaging apparatus |
| JP3950822B2 (en) * | 2002-08-08 | 2007-08-01 | キヤノン株式会社 | Imaging apparatus, imaging method, control program, and computer-readable memory |
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2005
- 2005-02-23 JP JP2005047602A patent/JP4481846B2/en not_active Expired - Fee Related
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