| 摘要 |
A radiation image of an object is recorded on stimulable phosphor sheets associated with one another such that portions of two adjacent sheets overlap each other. Processing is performed to detect a boundary line image pattern of an overlapping region of a first radiation image read out from a first sheet remote from the object, which first sheet is one of the two adjacent sheets, the overlapping region corresponding to an overlapping area of the first sheet, upon which the other second sheet close to the object overlaps. Positions of two radiation images having been read out from the first and second sheets are matched with each other in accordance with the position of the detected boundary line image pattern in the first radiation image and the position of an edge of an overlapping region of a second radiation image having been read out from the second sheet. Connection processing is then performed on the two radiation images, whose positions have been matched with each other.
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