| 摘要 |
A radiation image conversion panel has a stimulable phosphor layer which is parted into a plurality of cells regularly arranged at least in a main scanning direction by a partition wall and has been exposed to a radiation bearing a radiation image of an object. The radiation image conversion panel is scanned by a stimulating light beam in the main scanning direction and a sub-scanning direction and stimulated emission emitted from the radiation image conversion panel upon stimulation by the stimulating light beam is photoelectrically detected to make up an analog image signal and a digital image signal representing a radiation image of the object is obtained by digitizing the analog image signal. The sampling intervals Ts (in seconds) for digitizing the analog image signal are set to satisfy formula<paragraph lvl="0"><in-line-formula>Ts<=Na/2v,</in-line-formula>wherein Na represents the pitch (m) of the cells in the main scanning direction and v represents the scanning speed (m/sec)
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