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    Method and apparatus for automatically characterizing a malignancy
    1.
    发明申请
    Method and apparatus for automatically characterizing a malignancy 有权
    用于自动表征恶性肿瘤的方法和装置

    公开(公告)号：US20070167697A1

    公开(公告)日：2007-07-19

    申请号：US11291830

    申请日：2005-11-30

    Applicant: Ricardo Avila ,  Floribertus Jansen ,  Dinko Trotter ,  James Miller ,  Ravindra Manjeshwar ,  Thomas Sebastian

    Inventor： Ricardo Avila ,  Floribertus Jansen ,  Dinko Trotter ,  James Miller ,  Ravindra Manjeshwar ,  Thomas Sebastian

    IPC: A61B5/05

    CPC classification number: G01T1/1611 ,  A61B6/037 ,  A61B34/10 ,  G01R33/4808 ,  G01R33/481 ,  G01R33/4812 ,  G01R33/4814

    Abstract: A malignancy probability is automatically calculated for one or more lesions. The malignancy probability is based on assessments of one or more malignancy characteristics for each lesion derived from two or more structural and/or functional image data sets. Likewise, in some embodiments, the malignancy probability is based on assessments of one or more malignancy characteristics for each lesion derived from a combination of structural and functional image data. In one embodiment, the set of structural image data is a set of CT image data and the set of functional image data is a set of PET image data. The one or more lesions may be detected in the structural and/or functional image data by automated routines or by a visual inspection by a clinician or other reviewer.

    Abstract translation: 自动计算一个或多个病变的恶性概率。 恶性概率基于从两个或多个结构和/或功能图像数据集导出的每个病变的一个或多个恶性特征的评估。 类似地，在一些实施例中，恶性概率基于从结构和功能图像数据的组合导出的每个损伤的一个或多个恶性特征的评估。 在一个实施例中，该组结构图像数据是一组CT图像数据，并且功能图像数据集合是一组PET图像数据。 在结构和/或功能图像数据中可以通过自动程序或临床医生或其他审查者的目视检查来检测一个或多个损伤。

    Technique for reconstructing PET scan images
    2.
    发明申请
    Technique for reconstructing PET scan images 有权
    PET扫描图像重建技术

    公开(公告)号：US20070040122A1

    公开(公告)日：2007-02-22

    申请号：US11205067

    申请日：2005-08-17

    Applicant: Ravindra Manjeshwar ,  Floribertus Heukensfeldt Jansen ,  Charles Stearns

    Inventor： Ravindra Manjeshwar ,  Floribertus Heukensfeldt Jansen ,  Charles Stearns

    IPC: G01T1/164

    CPC classification number: G01T1/2985

    Abstract: The invention is directed to a technique for reconstructing PET scan images. According to one embodiment, the invention relates to a method for reconstructing PET scan images. The method comprises: detecting a plurality of coincidence events in a PET scanner; storing data associated with the plurality of coincidence events in a chronological list based on a detection time for each of the plurality of coincidence events; generating correction data based on scatter coincidence events and random coincidence events in the plurality of coincidence events; and reconstructing one or more PET scan images based at least in part on the chronological list of data and the correction data.

    Abstract translation: 本发明涉及一种重建PET扫描图像的技术。 根据一个实施例，本发明涉及一种重建PET扫描图像的方法。 该方法包括：在PET扫描器中检测多个符合事件; 基于多个重合事件中的每一个的检测时间，将与所述多个重合事件相关联的数据存储在时序列表中; 基于所述多个重合事件中的分散符合事件和随机符合事件生成校正数据; 以及至少部分地基于时间顺序的数据列表和校正数据重建一个或多个PET扫描图像。

    Method and system for scattered coincidence estimation in a time-of-flight positron emission tomography system
    3.
    发明申请
    Method and system for scattered coincidence estimation in a time-of-flight positron emission tomography system 有权
    飞行时间正电子发射断层扫描系统中分散重合估计的方法和系统

    公开(公告)号：US20060163485A1

    公开(公告)日：2006-07-27

    申请号：US11040088

    申请日：2005-01-21

    Applicant: Charles Stearns ,  Ravindra Manjeshwar

    Inventor： Charles Stearns ,  Ravindra Manjeshwar

    IPC: G01T1/164

    CPC classification number: G01T1/2985

    Abstract: A method and system for controlling a positron emission tomography (PET) system is disclosed. The method includes acquiring image data and time-of-flight information from a PET system during an imaging scan. Further, the method includes performing scatter correction on the image data using the time-of-flight information.

    Abstract translation: 公开了一种用于控制正电子发射断层摄影（PET）系统的方法和系统。 该方法包括在成像扫描期间从PET系统获取图像数据和飞行时间信息。 此外，该方法包括使用飞行时间信息对图像数据执行散射校正。

    NUCLEAR MEDICINE IMAGING SYSTEM AND METHOD USING MULTIPLE TYPES OF IMAGING DETECTORS
    7.
    发明申请
    NUCLEAR MEDICINE IMAGING SYSTEM AND METHOD USING MULTIPLE TYPES OF IMAGING DETECTORS 有权
    核医学成像系统和使用多种成像检测器的方法

    公开(公告)号：US20120248320A1

    公开(公告)日：2012-10-04

    申请号：US13077540

    申请日：2011-03-31

    Applicant: Kristen Ann Wangerin ,  Evren Asma ,  Jorge Uribe ,  Ravindra Manjeshwar

    Inventor： Kristen Ann Wangerin ,  Evren Asma ,  Jorge Uribe ,  Ravindra Manjeshwar

    IPC: G01T1/166

    CPC classification number: G01T1/166 ,  A61B6/037 ,  G01T1/1603 ,  G01T1/1644 ,  G01T1/249

    Abstract: A Nuclear Medicine (NM) imaging system and method using multiple types of imaging detectors are provided. One NM imaging system includes a gantry, at least a first imaging detector coupled to the gantry, wherein the first imaging detector is a non-moving detector, and at least a second imaging detector coupled to the gantry, wherein the second imaging detector is a moving detector. The first imaging detector is larger than the second imaging detector and the first and second imaging detectors have different detector configurations. The NM imaging system further includes a controller configured to control the operation of the first and second imaging detectors during an imaging scan of an object to acquire Single Photon Emission Computed Tomography (SPECT) image information such that at least the first imaging detector remains stationary with respect to the gantry during image acquisition.

    Abstract translation: 提供了使用多种成像检测器的核医学（NM）成像系统和方法。 一个NM成像系统包括台架，至少第一成像检测器，其耦合到台架，其中第一成像检测器是非移动检测器，以及耦合到台架的至少第二成像检测器，其中第二成像检测器是 移动探测器。 第一成像检测器大于第二成像检测器，并且第一和第二成像检测器具有不同的检测器配置。 NM成像系统还包括控制器，其被配置为在对象的成像扫描期间控制第一和第二成像检测器的操作，以获取单光子发射计算机断层扫描（SPECT）图像信息，使得至少第一成像检测器保持静止， 在图像采集期间对台架的尊重。

    METHOD AND SYSTEM FOR IMAGING USING A FILTER FOR TIME-OF-FLIGHT PET
    10.
    发明申请
    METHOD AND SYSTEM FOR IMAGING USING A FILTER FOR TIME-OF-FLIGHT PET 失效
    使用过滤器进行成像的方法和系统

    公开(公告)号：US20060102846A1

    公开(公告)日：2006-05-18

    申请号：US10988878

    申请日：2004-11-15

    Applicant: Ravindra Manjeshwar ,  Charles Stearns

    Inventor： Ravindra Manjeshwar ,  Charles Stearns

    IPC: G01T1/164

    CPC classification number: G06T11/005

    Abstract: Methods and systems for imaging by using a filter for Time-Of-Flight Positron Emission Tomography (TOF PET) are described. The described methods of imaging a patient by using a positron emission tomography (PET) system includes acquiring a plurality of frames of sinogram data, filtering the acquired sinogram data and back-projecting the filtered sinogram data to form an output image of the patient. The acquired sinogram data defines a line of response (LOR) and a time-of-flight (TOF) measurement that localizes positron annihilation within the patient. The filtering of the acquired sinogram data is performed using the TOF measurement.

    Abstract translation: 描述了使用飞行时间正电子发射断层扫描（TOF PET）的滤波器进行成像的方法和系统。 所描述的通过使用正电子发射断层摄影（PET）系统对患者进行成像的方法包括获取正弦图数据的多个帧，对所获取的正弦图数据进行滤波，以及反投影过滤的正弦图数据以形成患者的输出图像。 获得的正中图数据定义了定位在患者体内的正电子湮灭的响应线（LOR）和飞行时间（TOF）测量。 使用TOF测量来执行所获取的正弦图数据的滤波。

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