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1. (WO2013145831) RADIATION IMAGE PICK-UP DEVICE AND IMAGE PROCESSING METHOD

Pub. No.:    WO/2013/145831    International Application No.:    PCT/JP2013/051645
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Sat Jan 26 00:59:59 CET 2013
IPC: A61B 6/03
A61B 6/02
Applicants: HITACHI MEDICAL CORPORATION
株式会社日立メディコ
Inventors: BABA, Rika
馬場 理香
Title: RADIATION IMAGE PICK-UP DEVICE AND IMAGE PROCESSING METHOD
Abstract:
The following are obtained by the present invention: an X-ray CT device enabling the acquisition of measurement images at rotation angles of at least 180 degrees, regardless of the arrangement, movement trajectory, and movement range of an X-ray source and a detector; and highly accurate images. A measurement image detected by the detector is converted to a rotation measurement image obtained by rotationally moving the X-ray source and the detector on a concentric circular trajectory. Weighting, to which is imparted intensity change equal to a reconfiguration image obtained from a rotation measurement image obtained by measurement at the rotation angle range of 180 degrees, is applied to the measurement angles of a rotation measurement image, reconfiguration calculation is carried out, and a reconfiguration image is obtained.