Image Processing Device, Image Processing Program, and Image Processing Method
First Claim
1. An image processing device that transforms first image data of an image captured under an image-capturing condition into second image data that reproduce a color appearance under a viewing condition, comprising:
- an image data acquiring unit that acquires the first image data of the image captured under the image-capturing condition;
a first transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a first method that takes into consideration chromatic adaptation;
a second transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a second method that is simpler than the first method and takes into consideration chromatic adaptation; and
a controlling unit that controls such that either the first transformation unit or the second transformation unit is selected depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data.
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Abstract
An image processing device that transforms first image data of an image captured under an image-capturing condition into second image data that reproduce a color appearance under a viewing condition, includes: an image data acquiring unit that acquires the first image data of the image captured under the image-capturing condition; a first transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a first method that takes into consideration chromatic adaptation; a second transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a second method that is simpler than the first method and takes into consideration chromatic adaptation; and a controlling unit that controls such that either the first transformation unit or the second transformation unit is selected depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data.
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Citations
22 Claims
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1. An image processing device that transforms first image data of an image captured under an image-capturing condition into second image data that reproduce a color appearance under a viewing condition, comprising:
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an image data acquiring unit that acquires the first image data of the image captured under the image-capturing condition; a first transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a first method that takes into consideration chromatic adaptation; a second transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the image-capturing condition and the viewing condition by a second method that is simpler than the first method and takes into consideration chromatic adaptation; and a controlling unit that controls such that either the first transformation unit or the second transformation unit is selected depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19)
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18. An image processing device that transforms first image data prepared based on a first viewing condition into second image data that reproduce a color appearance under a second viewing condition that is different from the first viewing condition, comprising:
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an image data acquiring unit that acquires the first image data prepared based on the first viewing condition; a first transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the first viewing condition and the second viewing condition by a first method that takes into consideration chromatic adaptation; a second transformation unit that transforms the acquired first image data into the second image data pixel by pixel based on the viewing condition and the second viewing condition by a second method that is simpler than the first method and takes into consideration chromatic adaptation; and a controlling unit that controls such that either the first transformation unit or the second transformation unit is selected depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data.
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20. An image processing method that transforms first image data of an image captured under an image-capturing condition into second image data that reproduce a color appearance under a viewing condition, comprising:
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acquiring the first image data of the image captured under the image-capturing condition; and when the acquired first image data are transformed into the second image data pixel by pixel based on the image-capturing condition and the viewing condition, using selectively either one of a first method that takes into consideration chromatic adaptation and a second method that takes into consideration chromatic adaptation simpler than the first method depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data. - View Dependent Claims (21)
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22. An image processing method that transforms first image data prepared based on a first viewing condition into second image data that reproduce a color appearance under a second viewing condition that is different from the first viewing condition, comprising:
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acquiring the first image data of the image captured under the first viewing condition; and when the acquired first image data are transformed into the second image data pixel by pixel based on the first viewing condition and the second viewing condition, using selectively either one of a first method that takes into consideration chromatic adaptation and a second method that takes into consideration chromatic adaptation simpler than the first method depending on a state of a transformation target pixel or a neighborhood pixel neighboring the transformation target pixel in the first image data.
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Specification