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X-ray CT apparatus, method of aligning phantom, and phantom retaining tool
X-ray CT apparatus, method of aligning phantom, and phantom retaining tool
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机译:X射线CT装置,体模对准方法及体模保持工具
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摘要
The present invention comprises a top plate 31 for placing a cylindrical phantom 100, an X-ray tube 22 that generates X-rays, an X-ray detector 23 that detects X-rays transmitted through the phantom 100 placed on a top plate 31, a supporting body drive part 25 that rotates the X-ray tube 22 and X-ray detector 23, a tomographic image data generating part 60 that generates tomographic image data on the phantom 100 based on a results of detecting X-rays by the X-ray detector 23, a calculation processing part 80 that calculates displacement of the cylinder axis J of the phantom 100 relative to the center of rotation (center of scan) by the supporting body drive part 25, based on the tomographic image data, and the angle of gradient of the cylinder axis J relative to the normal direction (direction of slice) of the rotation plane of said rotation, and a monitor 5 that displays the calculated results.
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