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    • 1. 发明申请
    • RADIATION TOMOGRAPHIC IMAGING SYSTEM AND PROGRAM FOR CONTROLLING THE SAME
    • 辐射层析成像系统及其控制程序
    • WO2017146985A1
    • 2017-08-31
    • PCT/US2017/018121
    • 2017-02-16
    • GENERAL ELECTRIC COMPANY
    • WATANABE, MotokiISHIHARA, Yotaro
    • A61B6/00A61B6/03
    • A61B6/544A61B6/032A61B6/488
    • An X-ray CT system comprises: a storage device for storing therein a referential emission condition defined assuming at least one of a required referential width and a required referential body depth in a subject and defined taking account of a degree of X-ray absorption in the subject; a camera and a distance sensor for detecting a width and a body depth of the subject; and an emission condition setting section 76 for setting an emission condition for X-rays emitted by an X-ray tube in imaging after correcting the referential emission condition according to at least one of a difference between the detected width of the subject and the referential width and a difference between the body depth of the subject detected by the optical sensor and the referential body depth.
    • X射线CT系统包括:存储装置,用于在其中存储参考发射条件,所述参考发射条件定义为假设主体中的所需参考宽度和所需参考主体深度中的至少一个,并且考虑 对象中的X射线吸收程度; 相机和距离传感器,用于检测对象的宽度和身体深度; 以及发射条件设定部76,用于根据检测到的被摄体的宽度与参考宽度之间的差中的至少一个来校正参考发射条件之后,在成像中设置由X射线管发射的X射线的发射条件 以及由光学传感器检测到的主体的身体深度与参考主体深度之间的差异。
    • 2. 发明申请
    • WATER EQUIVALENT DIAMETER DETERMINATION FROM SCOUT IMAGES
    • SCOUT图像确定水的当量直径
    • WO2017087203A1
    • 2017-05-26
    • PCT/US2016/060942
    • 2016-11-08
    • GENERAL ELECTRIC COMPANY
    • PANGON, VincentARCHAMBAULT, BenedicteGUNTZER, Pierre
    • A61B6/00A61B6/03
    • A61B6/5294A61B6/032A61B6/465A61B6/467A61B6/488A61B6/542A61B6/566G06T7/0012
    • Systems, methods, and computer program products that enable calculating the water equivalent diameter of an exposed subject by defining a patient object using anterior/posterior (AP) and lateral (LAT) scout images are provided. Pixels corresponding to air in the LAT and AP scout image are determined. Pixels outside the of the air area belong to either to the patient or the table. The table for both the LAT and AP scout images is identified. The remaining pixels in the LAT AP scout images are from the patient. For each segmented object (patient or table) the boundaries of the segmented object are identified and the attenuations within the segmented boundaries are computed. The final shape and attenuation values of the patient is stored and the size-specific dose estimate (SSDE) is calculated. The water equivalent diameter value is normalized by using the technical acquisition parameters provided by the acquisition device.
    • 提供了通过使用前/后(AP)和侧向(LAT)侦察图像定义患者对象来计算暴露主体的水当量直径的系统,方法和计算机程序产品。 确定与LAT和AP侦察图像中的空气相对应的像素。 空气区以外的像素属于患者或餐桌。 识别LAT和AP侦察图像的表格。 LAT AP侦察图像中的其余像素来自患者。 对于每个分段的对象(患者或表格),识别分段的对象的边界并计算分段的边界内的衰减。 存储患者的最终形状和衰减值并计算特定尺寸剂量估计值(SSDE)。 水当量直径值使用采集设备提供的技术采集参数进行标准化。
    • 4. 发明申请
    • SCAN GEOMETRY PLANNING METHOD FOR MRI OR CT
    • 扫描MRI或CT的几何规划方法
    • WO2016135120A1
    • 2016-09-01
    • PCT/EP2016/053727
    • 2016-02-23
    • KONINKLIJKE PHILIPS N.V.
    • NIELSEN, TimKOKEN, Peter
    • G01R33/54A61B6/00A61B5/055
    • G01R33/543A61B5/055A61B6/032A61B6/488A61B6/545A61B6/563A61B6/566A61B6/582G01R33/546
    • The present invention relates to a method for scan geometry planning. The method comprises: providing at least one scanning imaging system (203A-N, 100) coupled to a computer server (201); controlling the server (201) to communicate with the at least one scanning imaging system (203A-N); building a database (400) from image data obtained from the at least one scanning imaging system, wherein the image data indicates scan 5 geometries in association with respective reference images acquired using the scan geometries; receiving at the server (201) a scan geometry request from a scanning imaging system (203A) of the at least one scanning imaging system, the request being indicative of a survey image, wherein the survey image is obtained during a calibration scan by imaging a patient by the requesting scanning imaging system (203A); comparing the survey image with 10 the reference images; sending the requesting scanning imaging system data indicative of a scan geometry associated with a reference image of the reference images that matches the survey image; controlling the requesting scanning imaging system (203A) to acquire imaging data during a clinical scan of the body volume using one of the submitted scan geometry and a modified scan geometry that results from the modification of the submitted scan geometry 15 at the requesting scanning imaging system; controlling the requesting scanning imaging system (203A) to send the modified scan geometry to the server (201) in case the modified scan geometry is used for the acquiring of imaging data.
    • 本发明涉及扫描几何规划的方法。 该方法包括:提供耦合到计算机服务器(201)的至少一个扫描成像系统(203A-N,100); 控制所述服务器(201)与所述至少一个扫描成像系统(203A-N)通信; 根据从所述至少一个扫描成像系统获得的图像数据建立数据库(400),其中所述图像数据指示与使用所述扫描几何图形获取的相应参考图像相关联的扫描5几何图形; 在所述服务器(201)处从所述至少一个扫描成像系统的扫描成像系统(203A)接收扫描几何请求,所述请求指示调查图像,其中所述测量图像在校准扫描期间通过成像 患者通过请求扫描成像系统(203A); 将调查图像与10个参考图像进行比较; 发送指示与参考图像匹配的参考图像相关联的扫描几何的请求扫描成像系统数据; 控制请求扫描成像系统(203A)在身体体积的临床扫描期间采用所提交的扫描几何形状和修改的扫描几何形状来获取成像数据,所述修改的扫描几何形状是由所述扫描成像系统 ; 在修改的扫描几何被用于获取成像数据的情况下,控制请求扫描成像系统(203A)将修改的扫描几何形状发送到服务器(201)。