| 摘要 |
PCT No. PCT/JP86/00442 Sec. 371 Date Apr. 21, 1987 Sec. 102(e) Date Apr. 21, 1987 PCT Filed Aug. 29, 1985 PCT Pub. No. WO87/01268 PCT Pub. Date Dec. 3, 1987.The present invention which relates to a method of collecting data which enables exact opposing view data to be obtained as the real data with respect to data on any channel in an X-ray tomograph which uses fan beam X-rays is characterized in that the timing for collecting the output data of each detection channel is so selected that the relationship in which a pair of items of data based on a pair of X-ray beams which pass a substantially common route formed in a target in the opposite directions to each other are detected by a pair of channels which are situated at substantially symmetrical positions with respect to the center of an X-ray detector may be established with respect to all channels.
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