Image Processing Device, Image Shooting Device, And Image Processing Method
First Claim
1. An image processing device, comprising:
- a merging portion that generates a merged image by merging together a first image obtained by shooting, a second image obtained by shooting with an exposure time that is longer than an exposure time with which the first image is shot, and a third image generated by filtering out a high-frequency component from the first image.
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Abstract
A merged image is generated by merging together a first image obtained by shooting with a reduced exposure time, a second image obtained by shooting with an increased exposure time, and a third image obtained by filtering out a high-frequency component from the first image. Here, a merging ratio at which the second and third images are merged together is determined by use of differential values obtained from the second and third images. Also, a merging ratio at which the first image and the second and third images (a fourth image) are merged together is determined by use of edge intensity values obtained from an image based on the first image.
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Citations
9 Claims
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1. An image processing device, comprising:
a merging portion that generates a merged image by merging together a first image obtained by shooting, a second image obtained by shooting with an exposure time that is longer than an exposure time with which the first image is shot, and a third image generated by filtering out a high-frequency component from the first image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An image processing method, comprising:
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a first step in which a third image is obtained by filtering out a high-frequency component from a first image; and a second step in which a merged image is generated by merging together the third image obtained in the first step, the first image, and a second image obtained by shooting with an exposure time longer than an exposure time for the first image.
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Specification