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1. 发明授权

US08031928B2 CT data processing apparatus and CT data processing method 有权
标题翻译： CT数据处理装置和CT数据处理方法
公开(公告)号：US08031928B2
公开(公告)日：2011-10-04
申请号：US11907360
申请日：2007-10-11
申请人： Yukihiro Hara , Ayuta Yamada , Yuichi Kodama
发明人： Yukihiro Hara , Ayuta Yamada , Yuichi Kodama
IPC分类号： G06K9/00
CPC分类号： A61B6/508 , A61B5/4872 , A61B6/032 , G06T7/12 , G06T2207/10081 , G06T2207/30004 , Y10S378/901
摘要： A CT data processing apparatus and a CT data processing method capable of separating a subcutaneous fat region from a visceral fat region accurately and efficiently in CT data are provided. The CT data processing apparatus includes a center calculation part that calculates a body center 41 of an examinee on tomographic CT data, a start point setting part that identifies a vertebral column position 45 on the tomographic CT data and sets a start point on a muscular layer 37 on the opposite side of the vertebral column position 45 with respect to the body center 41, a muscular layer determination part that determines whether or not the muscular layer 37 is present in a first range 48, and when it is determined that the muscular layer 37 is present in the first range 48, further setting a point on the muscular layer 37 in the first range 48 as a new first reference point 47 and thus determining whether or not the muscular layer 37 is present in the first range 48, while moving the first reference point 47 from the start point 46, and a separation line calculation part that calculates a separation line so that the separation line passes through the first reference points 47.
摘要翻译：提供了一种CT数据处理装置和CT数据处理方法，其能够在CT数据中精确高效地从内脏脂肪区域分离皮下脂肪区域。 CT数据处理装置包括计算断层摄影CT数据的被检体的身体中心41的中心计算部，识别断层CT数据上的椎体列位置45的起始点设定部，并且在肌肉层上设定起点 37位于相对于身体中心41的脊柱位置45的相反侧，肌肉层确定部，其确定肌层37是否存在于第一范围48中，并且当确定肌层 37存在于第一范围48中，进一步将第一范围48中的肌肉层37上的点设为新的第一参考点47，并且因此确定肌层37是否存在于第一范围48中，同时移动来自起始点46的第一参考点47，以及分离线计算部分，其计算分离线，使分离线通过第一参考点47。

2. 发明申请

US20080130975A1 CT data processing apparatus and CT data processing method 有权
标题翻译： CT数据处理装置和CT数据处理方法
公开(公告)号：US20080130975A1
公开(公告)日：2008-06-05
申请号：US11907360
申请日：2007-10-11
申请人： Yukihiro Hara , Ayuta Yamada , Yuichi Kodama
发明人： Yukihiro Hara , Ayuta Yamada , Yuichi Kodama
IPC分类号： G06K9/00
CPC分类号： A61B6/508 , A61B5/4872 , A61B6/032 , G06T7/12 , G06T2207/10081 , G06T2207/30004 , Y10S378/901
摘要： A CT data processing apparatus and a CT data processing method capable of separating a subcutaneous fat region from a visceral fat region accurately and efficiently in CT data are provided. The CT data processing apparatus includes a center calculation part that calculates a body center 41 of an examinee on tomographic CT data, a start point setting part that identifies a vertebral column position 45 on the tomographic CT data and sets a start point on a muscular layer 37 on the opposite side of the vertebral column position 45 with respect to the body center 41, a muscular layer determination part that determines whether or not the muscular layer 37 is present in a first range 48, and when it is determined that the muscular layer 37 is present in the first range 48, further setting a point on the muscular layer 37 in the first range 48 as a new first reference point 47 and thus determining whether or not the muscular layer 37 is present in the first range 48, while moving the first reference point 47 from the start point 46, and a separation line calculation part that calculates a separation line so that the separation line passes through the first reference points 47.
摘要翻译：提供了一种CT数据处理装置和CT数据处理方法，其能够在CT数据中精确高效地从内脏脂肪区域分离皮下脂肪区域。 CT数据处理装置包括计算断层摄影CT数据的被检体的身体中心41的中心计算部，识别断层CT数据上的椎体列位置45的起始点设定部，并且在肌肉层上设定起点 37位于相对于身体中心41的脊柱位置45的相反侧，肌肉层确定部，其确定肌层37是否存在于第一范围48中，并且当确定肌层 37存在于第一范围48中，进一步将第一范围48中的肌肉层37上的点设为新的第一参考点47，并且因此确定肌层37是否存在于第一范围48中，同时移动来自起始点46的第一参考点47和分离线计算部分，其计算分离线，使得分离线通过第一参考点 47。

3. 发明申请

US20090046835A1 X-Ray CT Apparatus 有权
标题翻译： X射线CT装置
公开(公告)号：US20090046835A1
公开(公告)日：2009-02-19
申请号：US12085869
申请日：2006-12-19
申请人： Yuichi Kodama , Ayuta Yamada , Manabu Noguchi
发明人： Yuichi Kodama , Ayuta Yamada , Manabu Noguchi
IPC分类号： H05G1/02
CPC分类号： G01N23/046 , A61B6/035 , A61B6/508 , G01N2223/419 , G01N2223/612
摘要： In an X-ray CT apparatus, an X-ray source and an X-ray detector mounted in a guide arm are freely movable in such a direction as to approach to and separate from a sample. With respect to this movement, the center of gravity of the whole containing respective constituent elements mounted in the guide arm is kept on the rotational axis by a weight balance adjusting mechanism. The weight balance adjusting mechanism contains a movable weight which is freely movable to the guide arm. The movement of the movable weight is controlled so that a difference between the rotational moment around the rotational axis is offset and substantially equal to zero. The moving passage of the movable weight is set on a straight line which is parallel to the moving direction of the X-ray source and the X-ray detector and does not pass through the rotational axis.
摘要翻译：在X射线CT装置中，安装在引导臂中的X射线源和X射线检测器可以在接近和分离样品的方向上自由移动。对于该运动，通过重量平衡调节机构将包含安装在引导臂中的各构成元件的整体的重心保持在旋转轴上。重量平衡调节机构包括可自由移动的导向臂的移动重物。控制可动重物的移动，使得围绕旋转轴线的旋转力矩之间的偏差基本上等于零。可移动重物的移动通道设置在与X射线源和X射线检测器的移动方向平行的直线上，并且不通过旋转轴。

4. 发明授权

US07848481B2 X-ray CT apparatus 有权
标题翻译： X射线CT装置
公开(公告)号：US07848481B2
公开(公告)日：2010-12-07
申请号：US12085869
申请日：2006-12-19
申请人： Yuichi Kodama , Ayuta Yamada , Manabu Noguchi
发明人： Yuichi Kodama , Ayuta Yamada , Manabu Noguchi
IPC分类号： A61B6/00
CPC分类号： G01N23/046 , A61B6/035 , A61B6/508 , G01N2223/419 , G01N2223/612
摘要： In an X-ray CT apparatus, an X-ray source and an X-ray detector mounted in a guide arm are freely movable in such a direction as to approach to and separate from a sample. With respect to this movement, the center of gravity of the whole containing respective constituent elements mounted in the guide arm is kept on the rotational axis by a weight balance adjusting mechanism. The weight balance adjusting mechanism contains a movable weight which is freely movable to the guide arm. The movement of the movable weight is controlled so that a difference between the rotational moment around the rotational axis is offset and substantially equal to zero. The moving passage of the movable weight is set on a straight line which is parallel to the moving direction of the X-ray source and the X-ray detector and does not pass through the rotational axis.
摘要翻译：在X射线CT装置中，安装在引导臂中的X射线源和X射线检测器可以在接近和分离样本的方向上自由移动。对于该运动，通过重量平衡调节机构将包含安装在引导臂中的各构成元件的整体的重心保持在旋转轴上。重量平衡调节机构包括可自由移动的导向臂的移动重物。控制可动重物的移动，使得围绕旋转轴线的旋转力矩之间的偏差基本上等于零。可移动重物的移动通道设置在与X射线源和X射线检测器的移动方向平行的直线上，并且不通过旋转轴。

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