Image Processing Device, Image Processing Method, Image Processing Program Product, and Image-Capturing Device
First Claim
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1. An image processing device comprising:
- a parameter calculation unit that obtains a plurality of values based on a plurality of different conversion parameters for a pixel in image data;
a weighting unit that performs predetermined weighting on the plurality of values obtained by the parameter calculation unit; and
a gradation correction unit that performs gradation correction of the image data based on a result of the weighting by the weighting unit.
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Abstract
An image processing device includes: a parameter calculation unit that obtains a plurality of values based on a plurality of different conversion parameters for a pixel in image data; a weighting unit that performs predetermined weighting on the plurality of values obtained by the parameter calculation unit; and a gradation correction unit that performs gradation correction of the image data based on a result of the weighting by the weighting unit.
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Citations
31 Claims
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1. An image processing device comprising:
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a parameter calculation unit that obtains a plurality of values based on a plurality of different conversion parameters for a pixel in image data; a weighting unit that performs predetermined weighting on the plurality of values obtained by the parameter calculation unit; and a gradation correction unit that performs gradation correction of the image data based on a result of the weighting by the weighting unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 27)
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15. An image processing method comprising:
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a parameter calculating step that obtains a plurality of values based on a plurality of different conversion parameters for a pixel in image data; a weighting step that performs predetermined weighting on the plurality of values obtained in the parameter calculating step; and a gradation correction step that performs gradation correction of the image data based on a result of the weighting in the weighting step. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 30, 31)
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29. An image processing method comprising:
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acquiring an image including a plurality of pixels; obtaining a plurality of values corresponding to a plurality of different characteristics based on a value indicating a luminance of a target pixel; obtaining brightness of a vicinity of the target pixel; obtaining a weighted average of the obtained plurality of values based on the brightness of the vicinity of the target pixel; and performing gradation correction of the target pixel based on the value indicating the luminance of the target pixel and the obtained weighted average.
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Specification