X-RAY TOMOGRAPHY APPARATUS AND X-RAY TOMOGRAPHY METHOD

X-RAY TOMOGRAPHY APPARATUS AND X-RAY TOMOGRAPHY METHOD

To provide a technique of acquiring a high-resolution X-ray tomographic image while suppressing an increase in an X-ray exposure dose. A dose setting unit 308 generates dose control data in order to change a unit time dose of an X-ray beam BX1 with which a subject M1 is irradiated during X-ray tomog...

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1. Verfasser: NISHIMURA, Yuu
Format: Patent
Sprache:eng ; fre ; ger
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HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:To provide a technique of acquiring a high-resolution X-ray tomographic image while suppressing an increase in an X-ray exposure dose. A dose setting unit 308 generates dose control data in order to change a unit time dose of an X-ray beam BX1 with which a subject M1 is irradiated during X-ray tomography. An imaging controller 80 makes X-ray intensity I1 when a center axis X-ray CBX1 (irradiation axis) of an X-ray beam BX1 emitted from an X-ray generator 42 is not orthogonal to a tomographic layer of interest LOI relatively smaller than X-ray intensity I0 when the center axis X-ray CBX1 is orthogonal to the tomographic layer of interest LOI.