| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for measuring radiation intensity distribution which can dispense with the work for alignment of a water phantom. SOLUTION: The method includes an index detection step of attaching an alignment measuring unit which detects an index showing the reference coordinate system of a radiation field to a three-dimensional scanner 300, and detecting a position of the index, while scanning by the three-dimensional scanner 300; a conversion equation formation step of forming a conversion equation for converting into the reference coordinate system, based on the detected position of the index on the scanning coordinates of the three-dimensional scanner 300; a moving target acquisition step of acquiring a moving target of the three-dimensional scanner 300 described by the reference coordinate system; a moving target conversion step of converting the obtained moving target into a moving target of the scanning coordinate system, according to the conversion equation; and a radiation measurement step of measuring radiation intensity distribution, while scanning by the three-dimensional scanner 300, with a radiation detector attached to the three-dimensional scanner 300, in accordance with the converted moving target; and the positional accuracy of the three-dimensional scanner 300 can be improved by the method. COPYRIGHT: (C)2011,JPO&INPIT
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