| 摘要 |
When a noise of an image is reduced by using a plurality of sheets of images, a noise of a portion which cannot be aligned cannot be reduced. Aligning processing of the plural images is performed to generate an average image formed by pixels subjected to the aligning processing. Further, a difference between average image data representing the average image and input image data representing an input image is calculated, and the noise of the input image is reduced by using the calculated difference.
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