| 摘要 |
In an image acquisition method in which there is a sensitivity characteristic over the image space that is non-uniform but that changes only slowly, this characteristic is determined according to the steps of, in the original image, intensity changes are limited to a predetermined maximum value, a low-pass filtering is applied to the auxiliary image acquired in this way, and the sensitivity characteristic of the image acquisition method over the image space is acquired from the low-pass-filtered auxiliary image.
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