公开(公告)号：US20150262721A1

公开(公告)日：2015-09-17

申请号：US14433387

申请日：2013-03-10

Applicant: HITACHI, LTD.

Inventor： Atsuro Suzuki ,  Takafumi Ishitsu ,  Isao Takahashi ,  Wataru Takeuchi ,  Keiji Kobashi

IPC: G21K1/02 ,  G21K1/04 ,  G01N23/04

CPC classification number: G21K1/02 ,  G01N23/046 ,  G01T1/1648 ,  G21K1/025 ,  G21K1/04

Abstract: There is provided is a radiation image acquiring device which corrects a positional displacement between a collimator and a detector and obtains an image without artifacts. The device includes a detector (21) to measure a radiation; a collimator (26) including a through-hole (27) having one or more detectors (21) disposed therein and configured to limit an incident direction of the radiation; a positional displacement measuring unit configured to measure a positional displacement between the detector (21) and the collimator (26) by use of a profile of a radiation source measured by the detector (21) based on the radiation source disposed corresponding to a predetermined detector (21).

Abstract translation: 提供了一种放射图像获取装置，其校正准直器和检测器之间的位置偏移，并且获得没有伪影的图像。 该装置包括用于测量辐射的检测器（21） 准直器（26），其包括具有设置在其中的一个或多个检测器（21）的通孔（27）并且被配置为限制所述辐射的入射方向; 位置位移测量单元，被配置为通过使用由检测器（21）测量的辐射源的轮廓基于对应于预定检测器设置的辐射源来测量检测器（21）和准直器（26）之间的位置位移 （21）。