| 摘要 |
A radiation image storage panel, on which a radiation image has been stored, is exposed to stimulating rays, which cause it to emit light in proportion to the amount of energy stored thereon during its exposure to the radiation. The emitted light is photoelectrically detected on the front surface side of the radiation image storage panel, which is the stimulating ray incidence side, and on the back surface side, two image signals being thereby obtained. The image signal components of the two image signals are added to each other, which represent corresponding picture elements on the front and back surfaces of the radiation image storage panel, an addition signal being thereby obtained. The addition ratio for the two image signals is changed in accordance with at least a single factor selected from the group consisting of the dose of the radiation irradiated to the radiation image storage panel, the kind of the radiation image storage panel, the spatial frequency of interest in the radiation image, and the conditions under which the radiation was irradiated.
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