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1. 发明专利

JP2008132019A Volume data processing apparatus and volume data processing program 有权
标题翻译：体积数据处理设备和体积数据处理程序
公开(公告)号：JP2008132019A
公开(公告)日：2008-06-12
申请号：JP2006318835
申请日：2006-11-27
申请人： Rigaku Corp , 株式会社リガク
发明人： HARA YUKIHIRO , KODAMA YUICHI , YAMADA AYUTA
IPC分类号： A61B6/03 , G01N23/04
摘要： PROBLEM TO BE SOLVED: To provide a volume data processing apparatus which increases reproducibility for specifying a measurement region and performs the calculation of the amount of characteristics easily and objectively and a volume data processing program.
SOLUTION: The volume data processing apparatus related to this invention is equipped with a profile calculating part for calculating line profiles of a measurement value included in a numerical value region representing bones on a specific plane in parallel with a body axis of a subject, a region setting part for setting a region of interest by using the maximum or minimum position of the line profile as a reference, and a part for calculating the amount of characteristics for calculating the amount of characteristics on the region of interest. Since the region of interest is set by using the position of the maximum value or the minimum value of the profile as the reference, the region of interest is set for the subject with excellent reproducibility. More specifically, the region is set for the same subject at the same position as the position of the previous processing.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种体数据处理装置，其增加了用于指定测量区域的再现性，并且容易且客观地执行特征量的计算以及体数据处理程序。解决方案：与本发明相关的体积数据处理装置配备有轮廓计算部分，用于计算包括在表示与被检体的体轴平行的特定平面上的骨骼的数值区域中的测量值的线轮廓，用于通过使用线轮廓的最大或最小位置作为参考来设置感兴趣区域的区域设置部分，以及用于计算用于感兴趣区域的特征量的特征量的部分。由于通过使用轮廓的最大值或最小值的位置作为参考来设置感兴趣区域，所以对于具有优异的再现性的被摄体来设定感兴趣的区域。更具体地，在与先前处理的位置相同的位置处，将该区域设置为相同的被摄体。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008228829A Apparatus and method for calculating synchronous to periodic movement 审中-公开
标题翻译：计算与周期运动同步的装置和方法
公开(公告)号：JP2008228829A
公开(公告)日：2008-10-02
申请号：JP2007069416
申请日：2007-03-16
申请人： Matsumoto Shika Univ , Rigaku Corp , 学校法人松本歯科大学 , 株式会社リガク
发明人： HARA YUKIHIRO , YAMADA AYUTA , ARAI YOSHINORI
IPC分类号： A61B6/03 , A61B6/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and method for calculating synchronous to periodic movements scarcely affected by the body movement and capable of easily acquiring images of a subject excluding the effect of periodic movements without having any special device. SOLUTION: This apparatus includes a data acquisition section 31 for acquiring fluoroscopic image data of a subject, a region setting section 35 for setting a region of interest including a region of the periodic movement site of the subject in the fluoroscopic image data, and a feature quantity calculation section 36 for calculating a feature quantity acquired by integrating across the region of interest set in the acquired fluoroscopic image data as a synchronous signal of the periodic movement of the subject. For example, this apparatus controls the rotation of a gantry to deflect a phase of the period of the periodic movement for every 120° from the synchronous signal of the periodic movement acquired thereby, and interpolates them based on the captured fluoroscopic image data to construct image data. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于计算与身体运动几乎不受影响的周期性运动同步的装置和方法，并且能够容易地获取不包括周期性运动的影响的对象的图像，而不需要任何特殊的装置。解决方案：该装置包括用于获取被检体的透视图像数据的数据获取部31，用于设置荧光镜图像数据中的被检体的周期性移动部位的区域的感兴趣区域的区域设定部35，以及特征量计算部36，用于计算通过在所获取的荧光透视图像数据中设置的感兴趣区域积分获取的特征量作为被检体的周期性运动的同步信号。例如，该装置控制台架的旋转，使周期性移动的周期的周期相对于由此获取的周期性运动的同步信号每120°偏移一次，并且基于所捕获的荧光透视图像数据来内插它们以构成图像数据。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008228828A Apparatus and method for capturing image synchronous to periodic movement 有权
标题翻译：用于捕获图像同步到定期运动的装置和方法
公开(公告)号：JP2008228828A
公开(公告)日：2008-10-02
申请号：JP2007069415
申请日：2007-03-16
申请人： Rigaku Corp , 株式会社リガク
发明人： HARA YUKIHIRO , YAMADA AYUTA
IPC分类号： A61B6/03 , A61B6/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and method for capturing images synchronous to periodic movements capable of acquiring CT image data excluding fluctuation due to the periodic movements by highly efficient capture. SOLUTION: This apparatus 1 for capturing images synchronous to periodic movements receiving trigger signals and capturing fluoroscopic image data of a subject for every rotation angle by CT with a plurality of continuous rotations of a gantry, includes a period calculation section 37 for acquiring synchronous signals to the periodic movements of the subject and calculating a period of the periodical movements from the synchronous signals, a capturing condition calculation section 38 for calculating the rotating speed of the gantry according to the number of rotations of the gantry and the period of the transmission of the trigger signals based on the period of the calculated periodic movements, and a capturing section 2 executing CT at the calculated rotating speed and the period of the trigger signal and capturing the fluoroscopic image data of the subject. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于捕获与周期性移动同步的图像的装置和方法，该装置和方法能够通过高效捕获来获取排除由于周期性移动引起的波动的CT图像数据。＆lt; P＆gt;解决方案：用于通过具有多台连续旋转的台架捕获每个旋转角度的用于捕获与周期性移动同步的图像的装置1，用于通过CT对每个旋转角度的受检者的荧光透视图像数据进行捕获，包括：时间计算部37，对同步信号的周期性运动进行同步信号，并根据同步信号计算周期性运动的周期;摄影条件计算部38，用于根据台架的转数和时间段计算台架的转速; 基于计算出的周期性运动的周期的触发信号的发送，以及以计算出的旋转速度和触发信号的周期执行CT的拍摄部分2，并且捕获被摄体的透视图像数据。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2012113066A Radiation image reading device, film-like holder, and method for reading radiation image 有权
标题翻译：辐射图像读取装置，薄膜夹持器和读取辐射图像的方法
公开(公告)号：JP2012113066A
公开(公告)日：2012-06-14
申请号：JP2010260635
申请日：2010-11-22
申请人： Rigaku Corp , 株式会社リガク
发明人： SATO TAKAHISA , HARA YUKIHIRO , YAMADA AYUTA , TOKUNAGA HIROSHI
IPC分类号： G03B42/02 , G21K4/00
摘要： PROBLEM TO BE SOLVED: To provide a radiation image reading device for facilitating reading work of a radiation image and capable of accurately reading an image recording body on a fixed reference plane at a high resolution, and to provide a film-like holder and a method for reading a radiation image.SOLUTION: A radiation image reading device 100 for reading an image from an image recording body in which a radiation image is recorded includes: a support section 110 that supports a film-like holder to which the image recording body is retained and slides when reading the image; a holder covering section 120 whose one end is fixed onto the support section 110 and whose free-end side covers the film-like holder; a holder fixing section 127 that is connected to the free end of the holder covering section 120 and fixes the film-like holder to the support section; a guide section 130 that coincides, with a reference curved plane, a surface of the image recording body that slides when reading the image; and a reading section that reads the radiation image from the surface of the image recording body that is coincided with the reference curved plane.
摘要翻译：要解决的问题：提供一种用于促进放射线图像的读取工作并且能够以高分辨率精确地读取固定的基准平面上的图像记录体的放射线图像读取装置，并且提供膜状保持器以及读取放射线图像的方法。解决方案：用于从其中记录放射线图像的图像记录体读取图像的放射线图像读取装置100包括：支撑部分110，其支撑图像记录体被保持并滑动的薄膜状支架当阅读图像时; 保持器覆盖部分120，其一端固定在支撑部分110上，并且其自由端侧覆盖膜状保持器; 保持器固定部分127，其连接到保持器覆盖部分120的自由端，并将膜状保持器固定到支撑部分; 与参考曲面相一致的引导部130，在读取图像时，图像记录体的表面滑动; 以及从图像记录体的与参考曲面一致的表面读取放射线图像的读取部。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2008253569A Apparatus and method for detecting abnormal body movement 审中-公开
标题翻译：检测异常运动的装置和方法
公开(公告)号：JP2008253569A
公开(公告)日：2008-10-23
申请号：JP2007099698
申请日：2007-04-05
申请人： Matsumoto Shika Univ , Rigaku Corp , 学校法人松本歯科大学 , 株式会社リガク
发明人： YAMADA AYUTA , HARA YUKIHIRO , ARAI YOSHINORI
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and method for detecting abnormal body movement, which is capable of detecting an abnormal body movement only by processing image data and compensating the image data without using another device for body movement detection.
SOLUTION: The apparatus detects abnormal body movement of a subject from transparent image data of a subject, and includes: a data acquisition part 31 for acquiring transparent image data of a subject photographed at prescribed rotation angles by rotating a gantry around the subject; an area setting part 32 for setting an area of interest so that an area of the subject is included in the transparent image data; a feature amount calculation part 33 for calculating a feature amount which is obtained by performing integration across the area of interest set in the acquired transparent image data; and a determination part 40 for determining that an abnormal body movement has occurred to the subject when the calculated feature amount is equal to a prescribed amount or larger. Thus, only with processing of the image data, the abnormal body movement can be detected.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于检测异常身体运动的装置和方法，其能够仅通过处理图像数据并补偿图像数据来检测异常体动，而不使用另一装置进行身体运动检测。解决方案：该装置从对象的透明图像数据检测被摄体的异常身体移动，并且包括：数据获取部31，用于通过围绕对象旋转台架来获取以规定的旋转角拍摄的被摄体的透明图像数据 ; 区域设定部32，用于设定感兴趣区域，使得被摄体的区域包含在透明图像数据中; 特征量计算部33，用于计算通过在所获取的透明图像数据中设置的感兴趣区域进行积分而获得的特征量; 以及当计算出的特征量等于或大于规定量时，确定被检体发生异常身体运动的判定部40。因此，仅通过图像数据的处理，可以检测异常的身体动作。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008119020A Detected value calibration method, x-ray ct system, phantom for calibration and holder 有权
标题翻译：检测值校准方法，X射线CT系统，用于校准和保持的PHANTOM
公开(公告)号：JP2008119020A
公开(公告)日：2008-05-29
申请号：JP2006302654
申请日：2006-11-08
申请人： Matsumoto Shika Univ , Rigaku Corp , 学校法人松本歯科大学 , 株式会社リガク
发明人： HARA YUKIHIRO , KODAMA YUICHI , YAMADA AYUTA , ARAI YOSHINORI
IPC分类号： A61B6/03 , G01N23/04
CPC分类号： A61B6/508 , A61B6/583
摘要： PROBLEM TO BE SOLVED: To provide an effective detected value calibration method which enables the acquisition of an image of a specimen with a moderate contrast by carrying out an effective calibration and an X-ray CT system, a phantom for calibration and a holder used for it. SOLUTION: The detected value calibration method for the calibration of detected values in an X-ray CT radiography comprises the step of fixing the phantom 1 for calibration filled with a liquid on the X-ray CT system to carry out an X-ray CT radiography for calibration, the step of putting the specimen 30 into the liquid of the phantom 1 for calibration to fix the phantom for calibration with the specimen 30 in it on the X ray CT system to carry out the X-ray CT radiography of the specimen 30 and a step of calibrating the detected values by the X-ray CT radiography of the specimen using the detected values by the X-ray CT radiography for calibration. The photographing is made with the tube voltage of X rays lowered to carry out the calibration, thereby achieving a higher contrast of CT data. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种有效的检测值校准方法，其通过执行有效校准和X射线CT系统，用于校准的幻影和用于校准的体模，能够获得具有中等对比度的样本的图像持有人用它。解决方案：用于在X射线CT摄影中校准检测值的检测值校准方法包括将用液体填充的校准的体模1固定在X射线CT系统上以执行X射线CT的步骤， X射线CT检查用于校准，将样本30放入体模1的液体中进行校准，以将用于校准的体模固定在X射线CT系统上的样本30，以进行X射线CT放射摄影样本30和通过X射线CT放射线照相检测用于校准的检测值的X射线CT检查对标本进行校准的步骤。用降低的X射线的管电压进行拍摄以进行校准，从而实现更高的CT数据的对比度。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008096363A Device and program for processing ct data 有权
标题翻译：用于处理CT数据的设备和程序
公开(公告)号：JP2008096363A
公开(公告)日：2008-04-24
申请号：JP2006280555
申请日：2006-10-13
申请人： Rigaku Corp , 株式会社リガク
发明人： HARA YUKIHIRO , KODAMA YUICHI , YAMADA AYUTA
IPC分类号： G01N23/04 , A61B6/03
CPC分类号： A61B6/508 , A61B5/4872 , A61B6/032 , G06T7/12 , G06T2207/10081 , G06T2207/30004 , Y10S378/901
摘要： PROBLEM TO BE SOLVED: To provide a device for processing CT data, capable of separating a subcutaneous fat region and a visceral fat region in CT data precisely and effectively, and a program therefor. SOLUTION: The device comprises: a center calculating section that calculates the fuselage center 41 of an object to be inspected on tomography CT data; a start point setting section that specifies the location of a spinal column 45 by the tomography CT data and sets a start point 46 on a muscle layer 37 at the opposite side of the spinal column 45 to the fuselage center 41; a muscle judging section that judges the presence of the muscle layer 37 in a first range 48, and judges, under the condition that a point on the muscle layer 37 in the first range 48 is assumed as a new first reference point 47 when it is judged that the muscle layer 37 is present in the first range 48, the presence of the muscle layer 37 in the first range 48 while moving a first reference point 47 from the start point 46; and a separating line calculating section that calculates so that the separating line passes through the first reference point 47. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确有效地分离CT数据中的皮下脂肪区域和内脏脂肪区域的CT数据处理装置及其程序。解决方案：该装置包括：中心计算部，其在断层摄影CT数据上计算待检查对象的机身中心41; 起始点设定部，其通过断层摄影CT数据指定脊柱45的位置，并将脊柱45的相反侧的肌肉层37上的开始点46设定到机身中心41; 判断肌肉层37在第一范围48中的存在的肌肉判断部，并且在第一范围48中的肌肉层37上的点被假定为新的第一基准点47的情况下判断为判断肌肉层37存在于第一范围48中，肌肉层37存在于第一范围48，同时从起始点46移动第一参考点47; 以及分离线计算部分，其计算使得分离线通过第一参考点47.版权所有：（C）2008，JPO＆INPIT

8. 发明专利

JP2014048255A X-ray ct apparatus 有权
标题翻译： X射线CT装置
公开(公告)号：JP2014048255A
公开(公告)日：2014-03-17
申请号：JP2012193825
申请日：2012-09-04
申请人： Rigaku Corp , 株式会社リガク
发明人： HARA YUKIHIRO , YAMADA AYUTA , AKIYAMA KIYOSHI
IPC分类号： G01N23/04 , A61B6/03
CPC分类号： A61B6/508 , A61B6/032 , A61B6/035
摘要： PROBLEM TO BE SOLVED: To provide an improved X-ray CT apparatus allowing downsizing and excellent in operation.SOLUTION: For the purpose of obtaining a cross-sectional image of a sample by X-ray, an X-ray CT apparatus includes: an X-ray generator for irradiating X-ray to the sample; an X-ray detector for detecting the X-ray having transmitted through the sample; and a device for reconstituting a cross-sectional image or a three-dimensional image of the interior of the sample by processing detection signals from the X-ray detector in addition to an opening provided for introducing the sample at one end side, and further includes: an X-ray shielding member applied with an X-ray protective treatment in the entire circumference; and means for rotationally driving the X-ray shielding member. Further, the X-ray generator and the X-ray detector are applied with the X-ray protective treatment, respectively, and are integrally constituted with the X-ray shielding member by being fixed at a position facing the wall surface of the X-ray shielding member by sandwiching a rotation axis, respectively.
摘要翻译：要解决的问题：提供一种改进的X射线CT装置，其能够实现小型化和优异的操作。解决方案：为了通过X射线获得样品的横截面图像，X射线CT装置包括：用于向样品照射X射线的X射线发生器; 用于检测透过样品的X射线的X射线检测器; 以及用于通过处理来自X射线检测器的检测信号以及用于在一端侧引入样品的开口来重构样品内部的横截面图像或三维图像的装置，并且还包括：X射线屏蔽构件，在整个周边施加X射线保护处理; 以及用于旋转地驱动所述X射线屏蔽部件的装置。此外，X射线发生器和X射线检测器分别被应用于X射线保护处理，并且通过固定在面向X射线检测器的壁表面的位置处与X射线屏蔽构件一体地构成，分别夹持旋转轴线。

9. 发明专利

JP2007170921A X-ray ct device 审中-公开
标题翻译： X射线CT设备
公开(公告)号：JP2007170921A
公开(公告)日：2007-07-05
申请号：JP2005366958
申请日：2005-12-20
申请人： Rigaku Corp , 株式会社リガク
发明人： KODAMA YUICHI , NOGUCHI MANABU , YAMADA AYUTA
IPC分类号： G01N23/04 , A61B6/03
CPC分类号： G01N23/046 , A61B6/035 , A61B6/508 , G01N2223/419 , G01N2223/612
摘要： PROBLEM TO BE SOLVED: To provide an X-ray CT device, easy to change its imaging magnifications and resolution, with its weight balance simply adjustable. SOLUTION: An X-ray source 6 and an X-ray detector 7 mounted on a guide arm 3 are movable in a touching or parting direction with respect to a specimen S. As to this move, the gravity center of a whole comprising respective constituent elements mounted on the side arm 3 is held on a rotational axis by a weight balance adjustment mechanism. The adjustment mechanism comprises a movable weight 12 movably mounted on the guide arm 3. The movement of the movable weight 12 is controlled so that the sum total of the moment of rotations around the rotational axis O is substantially zero. The movement route of the movable weight 12 is set on an arbitrary straight line parallel to the moving direction of the X-ray source 6 or of the X-ray detector 7, and not passing through the rotational axis O. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供X射线CT装置，容易改变其成像放大率和分辨率，其重量平衡简单可调。
解决方案：安装在引导臂3上的X射线源6和X射线检测器7相对于样本S在接触或分离方向上可移动。对于该移动，整个重心包括安装在侧臂3上的各构成元件通过重量平衡调节机构保持在旋转轴上。调节机构包括可移动地安装在引导臂3上的可移动重物12.可动重物12的运动被控制成使得旋转轴线O周围的转动转矩的总和基本为零。移动重物12的移动路线被设定在与X射线源6或X射线检测器7的移动方向平行的任意的直线上，不能通过旋转轴O.版权所有：（C）2007，JPO＆INPIT

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