| 摘要 |
PROBLEM TO BE SOLVED: To avoid an image display looking like fringes. SOLUTION: A focus 13, along with a plurality of lines of detectors 3, is moved on a circular orbit around an examination object 15, detector output data indicating a decrease when an emitted beam 14 transmits through the examination object are collected with spatial orientation data, the beam is expanded into a fan shape so that the volume of the examination object can be detected completely by a single circular scanning, a movement signal of the examination object is measured by a measuring line 8 for detecting a periodic time phase, time correlation between the movement data and the detector output data is stored, detector output signals of respective sub-segments on the respective detector lines are integrated, individual sub-segments of each detector line coactively produce single whole segments for scanning, at least, of 180°respectively, and the whole segments are composed of (n) pieces of sub-segments from (n) pieces of periods of the examination object out of sequence according to time resolutions of the respective detector lines, thus providing an inverse projection by 2D reconstruction and reformatting by the whole segments. COPYRIGHT: (C)2005,JPO&NCIPI
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