| 摘要 |
PROBLEM TO BE SOLVED: To prevent a tomographic image from blurring. SOLUTION: This camera is provided with a position calculating circuit 41 for supporting rotatably two detectors 1 by a detector stand 2 to calculate a detecting position based on the outputs of the detectors 1, a an image data converting circuit 42 for preparing an image data based on the detected position, a data collecting memory 43 for recording the image data, a data processor 7 for preparing a tomographic image by calculation using the image data, a control circuit 6 for controlling a rotation angleθvia the stand 2 and for controlling detected data collecting operation, a shift amount computing circuit 44 for computing a measured rotational center shifting amount Am, and a rotational center shift circuit 45 for finding a detected position shifting amount XA (θ) based on the amount Am. A detected position coordinate Xdo at the time when a rotational center shifting amount A is zero is found by the image data converting circuit 42 based on the shifting amount XA (θ).
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