| 摘要 |
The amount of time spent extracting linear noise components is reduced, when removing linear noise components from an image. A reduced image is generated, by reducing a radiation image in at least one of the vertical and horizontal directions. A linear noise image that represents linear noise components in the Y direction is generated, by extracting linear noise components from the reduced image. Thereafter, the generated linear noise image is enlarged to the image size of the original image; the linear noise components are removed from the radiation image, employing the enlarged linear noise image.
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