| 摘要 |
An apparatus comprises a storage unit to get stored with a first and a second dynamic image, a predetermined image and a predetermined value; and an arithmetic unit to calculate a first difference quantity defined as a difference between a first position defined as an existing position of the predetermined image in the first image and a second position defined as an existing position of the predetermined image in the second image; to calculate a second difference quantity defined as a difference between a third position defined as an existing position of the predetermined image in the third image and a fourth position defined as an existing position of the predetermined image in the fourth image; and to generate, when a magnitude of the second difference quantity is larger than the predetermined value, a new fourth image based on the second image, the third image and the first difference quantity.
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