-
公开(公告)号：US11488305B2
公开(公告)日：2022-11-01
申请号：US17064531
申请日：2020-10-06
摘要： A learning model provided in a segmentation device is a learning model which is generated using training data such that segmentation data of a biologically important region is output when data of a constituent maxillofacial region is input.
-
公开(公告)号：US10076291B2
公开(公告)日：2018-09-18
申请号：US13691158
申请日：2012-11-30
摘要： The present invention has an object of providing an X-ray CT imaging device which can direct X-ray to an area of interest appropriately even when, for example, the height of the area of interest with respect to the X-ray detector, which is revolving, varies with respect to the revolution direction, and thus can reduce the amount of unnecessary exposure to the X-ray and can perform X-ray imaging of the area of interest with certainty. In an X-ray CT imaging device for performing X-ray CT imaging of a CT imaging area of a subject, during the X-ray CT imaging when a revolving arm is revolving, the expansion in a length direction of an X-ray cone beam, which is to be restricted by length direction blocking plates, is adapted to the shape of the CT imaging area in accordance with the revolution position of the revolving arm.
-
公开(公告)号：US10779792B2
公开(公告)日：2020-09-22
申请号：US16171366
申请日：2018-10-26
摘要： A medical X-ray CT imaging apparatus includes an X-ray generator that generates a cone beam, an X-ray detector, a support that supports the X-ray generator and the X-ray detector while the X-ray generator and the X-ray detector are opposed to each other, a turning drive unit that turns the X-ray generator and the X-ray detector, which are supported by the support, an imaging information receiving unit, and an X-ray output condition setting unit. The imaging information receiving unit receives an imaging area setting relating to at least one of a size of an imaging area, an imaging purpose, and an imaging region. The X-ray output condition setting unit automatically sets an output condition of the X-ray generator according to at least one of the size of the imaging area, the imaging purpose, and the imaging region, which are received by the imaging information receiving unit.
-
4.发明授权Image processing device, X-ray CT photographic apparatus, and image processing method 有权图像处理装置，X射线CT摄影装置和图像处理方法公开(公告)号：US08989343B2
公开(公告)日：2015-03-24
申请号：US13871791
申请日：2013-04-26
发明人： Yoshinori Arai , Masakazu Suzuki
CPC分类号： G06T7/0012 , A61B6/5258 , G06T11/008
摘要： An image processing device acquiring pseudo projection data by calculation when a virtual metallic body having a predetermined X-ray absorption coefficient is set in a photographic region of X-ray CT photography in a pseudo manner based on projection data, and the image processing device reconstructing the pseudo projection data to acquire pseudo CT image data. The image processing device acquires luminance (virtual metallic body luminance) of a virtual metallic body in the pseudo CT image data, and specifies a position of a metal equivalent region having luminance corresponding to the virtual metallic body luminance in normal CT image data. The image processing device acquires correction projection data by performing correction processing to the luminance of the metal equivalent region in the normal projection data, and the image processing device reconstructs the correction projection data to acquire correction CT image data.
摘要翻译： 当具有预定X射线吸收系数的虚拟金属体被设置在基于投影数据的伪方式的X射线CT摄影的照相区域中时，通过计算获取伪投射数据的图像处理装置，并且图像处理装置重建 伪投影数据以获取伪CT图像数据。 图像处理装置获取伪CT图像数据中的虚拟金属体的亮度（虚拟金属体亮度），并且在正常CT图像数据中指定具有与虚拟金属体亮度对应的亮度的金属等效区域的位置。 图像处理装置通过对正常投影数据中的金属等效区域的亮度进行校正处理来获取校正投影数据，并且图像处理装置重建校正投影数据以获取校正CT图像数据。
-
5.发明申请Image Processing Device, X-Ray CT Photographic Apparatus, and Image Processing Method 有权图像处理装置，X射线CT照相装置和图像处理方法公开(公告)号：US20130287166A1
公开(公告)日：2013-10-31
申请号：US13871791
申请日：2013-04-26
发明人： Yoshinori Arai , Masakazu Suzuki
IPC分类号： G06T7/00
CPC分类号： G06T7/0012 , A61B6/5258 , G06T11/008
摘要： An image processing device acquiring pseudo projection data by calculation when a virtual metallic body having a predetermined X-ray absorption coefficient is set in a photographic region of X-ray CT photography in a pseudo manner based on projection data, and the image processing device reconstructing the pseudo projection data to acquire pseudo CT image data. The image processing device acquires luminance (virtual metallic body luminance) of a virtual metallic body in the pseudo CT image data, and specifies a position of a metal equivalent region having luminance corresponding to the virtual metallic body luminance in normal CT image data. The image processing device acquires correction projection data by performing correction processing to the luminance of the metal equivalent region in the normal projection data, and the image processing device reconstructs the correction projection data to acquire correction CT image data.
摘要翻译： 当具有预定X射线吸收系数的虚拟金属体被设置在基于投影数据的伪方式的X射线CT摄影的照相区域中时，通过计算获取伪投射数据的图像处理装置，并且图像处理装置重建 伪投影数据以获取伪CT图像数据。 图像处理装置获取伪CT图像数据中的虚拟金属体的亮度（虚拟金属体亮度），并且在正常CT图像数据中指定具有与虚拟金属体亮度对应的亮度的金属等效区域的位置。 图像处理装置通过对正常投影数据中的金属等效区域的亮度进行校正处理来获取校正投影数据，并且图像处理装置重建校正投影数据以获取校正CT图像数据。
-
公开(公告)号：US12064276B2
公开(公告)日：2024-08-20
申请号：US17661965
申请日：2022-05-04
发明人： Yoshinori Arai , Hideki Yoshikawa
CPC分类号： A61B6/4441 , A61B6/4028 , A61B6/42 , A61B6/4452
摘要： A panoramic X-ray imaging apparatus includes: an X-ray generating unit; an X-ray detecting unit; a support that supports the X-ray generating unit and the X-ray detecting unit; a drive mechanism that turns at least the X-ray generating unit and the X-ray detecting unit by driving the support; a displacement mechanism that adds movement including a displacement component in a direction different from the turning to the X-ray detecting unit; a subject holding unit that holds an imaging subject; a turning controller that controls the turning by a drive mechanism and the displacement mechanism. The turning controller controls the drive mechanism and the displacement mechanism so as to add the movement avoiding the contact with the shoulder of the imaging subject during the turning of the X-ray generating unit and the X-ray detecting unit by the drive mechanism during the panoramic X-ray imaging.
-
公开(公告)号：US10813605B2
公开(公告)日：2020-10-27
申请号：US16104953
申请日：2018-08-20
发明人： Yoshinori Arai , Hideki Yoshikawa
摘要： A first position setting unit receives an operation to designate a position in a mesiodistal on a panoramic tomographic image displayed on a display, and sets a first position on a curved section based on the designation operation. The fluoroscopic imaging information providing unit provides information irradiating a subject with an X-ray beam along a direction having a component of a tangential direction at the first position of the curved section to execute fluoroscopic imaging acquiring a fluoroscopic image to a main body. A second position setting unit receives an operation to designate a position in a buccolingual direction on the fluoroscopic image displayed on the display, and sets a second position in the buccolingual direction based on the designation operation.
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.018 秒)
