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    X-RAY EXAMINATION APPARATUS
    22.
    发明申请
    X-RAY EXAMINATION APPARATUS 审中-公开
    X射线检查装置

    公开(公告)号：WO2004047179A1

    公开(公告)日：2004-06-03

    申请号：PCT/IB2003/004818

    申请日：2003-10-27

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  WIECZOREK, Herfried, K.

    Inventor： WIECZOREK, Herfried, K.

    IPC: H01L27/144

    CPC classification number: H01L27/14676

    Abstract: An x-ray examination apparatus comprises an x-ray source and an x-ray detector. The x-ray detector includes a photoconductor to derive electric charges from incident x-radiation and read-out elements which derive electrical pixel-signals from the electric charges from the photoconductor. A central group of the read-out elements is located in a central region of the x-ray detector and a peripheral group of the read-out elements is located in a peripheral region which surrounds the central region. The x-ray examination apparatus being provided with a selection system to select the central group of read-out elements so as to supply pixel-signals from the central group of read-elements to the output circuit. The selection system may include an encompassing electrode to drain electric charges from the peripheral group. Or the selection system shields the peripheral group from x-rays.

    Abstract translation: x射线检查装置包括x射线源和x射线检测器。 X射线检测器包括光电导体，以从入射的x辐射和读出元件导出电荷，该元件从光电导体得到电子像素信号。 读出元件的中心组位于x射线检测器的中心区域，并且读出元件的外围组位于围绕中心区域的外围区域中。 X射线检查装置设置有选择系统，以选择读出元件的中心组，以便将来自读取元件的中心组的像素信号提供给输出电路。 选择系统可以包括围绕电极排出来自周边组的电荷。 或者选择系统屏蔽外围组与X射线。

    X-RAY EXAMINATION APPARATUS WITH X-RAY IMAGE SENSOR MATRIX AND CORRECTION UNIT
    24.
    发明申请
    X-RAY EXAMINATION APPARATUS WITH X-RAY IMAGE SENSOR MATRIX AND CORRECTION UNIT 审中-公开
    X射线图像传感器矩阵和校正单元的X射线检查装置

    公开(公告)号：WO9828911A2

    公开(公告)日：1998-07-02

    申请号：PCT/IB9701595

    申请日：1997-12-23

    Applicant: PHILIPS ELECTRONICS NV ,  PHILIPS NORDEN AB ,  CONRADS NORBERT ,  WEIBRECHT MARTIN ,  SCHIEBEL ULRICH ,  WIECZOREK HERFRIED KARL

    Inventor： CONRADS NORBERT ,  WEIBRECHT MARTIN ,  SCHIEBEL ULRICH ,  WIECZOREK HERFRIED KARL

    IPC: H04N5/32 ,  A61B6/00 ,  H04N5/325 ,  H04N5/359

    CPC classification number: H04N5/325 ,  H04N5/3597

    Abstract: An x-ray examination apparatus comprises an x-ray image sensor matrix (1) for deriving an initial image signal from the x-ray image. The sensor elements of the x-ray sensor matrix convert incident x-rays into electric charges. These electric charges are read-out and converted into the initial image signal. Further a correction unit (2) is provided for correcting the initial image signal, notably for disturbances due to delayed transferred charges, that have been retained in the sensor elements for some time. The correction unit (2) is provided with a memory which stores correction values. Further the correction provided with a selection unit (5) for selecting appropriate correction values from the memory (3).

    Abstract translation: X射线检查装置包括用于从X射线图像导出初始图像信号的x射线图像传感器矩阵（1）。 X射线传感器矩阵的传感器元件将入射的X射线转换成电荷。 这些电荷被读出并转换成初始图像信号。 此外，提供校正单元（2），用于校正已经保留在传感器元件中一段时间​​的初始图像信号，特别是用于由于延迟传送的电荷引起的干扰。 校正单元（2）设置有存储校正值的存储器。 此外，还提供了用于从存储器（3）中选择适当的校正值的选择单元（5）。

    CONCENTRATING LIGHT TOWARDS A TARGET ELEMENT
    25.
    发明申请
    CONCENTRATING LIGHT TOWARDS A TARGET ELEMENT 审中-公开
    集中光线以达到目标要素

    公开(公告)号：WO2013001402A2

    公开(公告)日：2013-01-03

    申请号：PCT/IB2012/053054

    申请日：2012-06-18

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  WIECZOREK, Herfried Karl

    Inventor： WIECZOREK, Herfried Karl

    IPC: H01L31/055

    CPC classification number: G02B6/26 ,  G01J1/0407 ,  G01T1/2985 ,  H01L31/0525 ,  H01L31/0547 ,  H01L31/055 ,  Y02E10/52 ,  Y10T29/49826

    Abstract: An optical device (102) configured for concentrating light towards a target element (104) is provided. The optical device (102) comprises a waveguide element (106) configured for guiding light towards the target element (104), and a wavelength conversion element (108) configured for converting incoming light of a first wavelength into outgoing light of a second wavelength. The wavelength conversion element (108) extends adjacent to the waveguide element (106). An interface (114) between the waveguide element (106) and the wavelength conversion element (108) comprises a surface roughness. The latter may provide for an increased efficiency and low manufacturing costs of the optical device (102).

    Abstract translation: 提供了一种配置用于将光会聚到目标元件（104）的光学装置（102）。 光学装置（102）包括被配置用于将光引导向目标元件（104）的波导元件（106），以及被配置用于将第一波长的入射光转换成第二波长的出射光的波长转换元件（108）。 波长转换元件（108）邻近波导元件（106）延伸。 波导元件（106）和波长转换元件（108）之间的界面（114）包括表面粗糙度。 后者可以提供光学装置（102）的增加的效率和低制造成本。

    PIXELLATED DETECTOR DEVICE
    26.
    发明申请
    PIXELLATED DETECTOR DEVICE 审中-公开
    检测器检测器

    公开(公告)号：WO2012025858A2

    公开(公告)日：2012-03-01

    申请号：PCT/IB2011/053644

    申请日：2011-08-18

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY&STANDARDS GMBH ,  WIECZOREK, Herfried, Karl ,  THON, Andreas

    Inventor： WIECZOREK, Herfried, Karl ,  THON, Andreas

    IPC: G01T1/20

    CPC classification number: G01T1/2006 ,  G01T1/2018 ,  G01T1/208 ,  G01T1/249 ,  H01L27/14663 ,  H01L31/18

    Abstract: The present invention relates to a pixellated detector with an enhanced structure to enable easy pixel identification even with high light output at crystal edges. A half-pixel shift between scintillator crystals (50) and detector pixels (12) enables the identification of a crystal (50) from four detector pixels (12) instead of nine pixels in case of optical crosstalk. Glass plates without any mechanical structuring may be used as a common substrate (60) for detectors and scintillators.

    Abstract translation: 本发明涉及具有增强结构的像素化检测器，即使在晶体边缘处具有高的光输出也能够容易地进行像素识别。 闪烁体晶体（50）和检测器像素（12）之间的半像素位移使得能够在光学串扰的情况下从四个检测器像素（12）识别晶体（50）而不是九个像素。 没有任何机械结构的玻璃板可以用作用于检测器和闪烁体的公共衬底（60）。

    METHOD AND SYSTEM FOR ITERATIVE IMAGE RECONSTRUCTION
    27.
    发明申请
    METHOD AND SYSTEM FOR ITERATIVE IMAGE RECONSTRUCTION 审中-公开
    迭代图像重建方法与系统

    公开(公告)号：WO2012017345A1

    公开(公告)日：2012-02-09

    申请号：PCT/IB2011/053182

    申请日：2011-07-18

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARD GmBH ,  WIECZOREK, Herfried, Karl

    Inventor： WIECZOREK, Herfried, Karl

    IPC: G06T11/00

    CPC classification number: G06T7/0012 ,  G06T11/006 ,  G06T2211/424

    Abstract: A method includes reconstructing projection data corresponding to a scanned object of interest using an iterative reconstruction algorithm in which a number of reconstruction iterations for the iterative reconstruction algorithm is set based on a size of the scanned object of interest. A system (114) includes a reconstruction algorithm bank (210) including at least one iterative reconstruction algorithm (210), a number of reconstruction iteration determiners (208) that determines a number of reconstruction iterations for reconstructing an image of a scanned object of interest based on the at least one iterative reconstruction algorithm for a size of the scanned object of interest, and a reconstructor (112) that reconstructs projection data to generate the image using at least one iterative reconstruction algorithm based on the determined number of reconstruction iterations.

    Abstract translation: 一种方法包括使用迭代重建算法来重建对应于所扫描的感兴趣对象的投影数据，其中基于所关心的扫描对象的大小来设置迭代重建算法的重建迭代次数。 系统（114）包括重建算法库（210），其包括至少一个迭代重建算法（210），多个重建迭代确定器（208），其确定用于重建所关心的扫描对象的图像的重建迭代次数 基于所述扫描的感兴趣对象的大小的所述至少一个迭代重建算法，以及重建器（112），其基于所确定的重建迭代次数，使用至少一个迭代重建算法重建投影数据以生成所述图像。

    MULTIPLE-SOURCE IMAGING SYSTEM WITH FLAT-PANEL DETECTOR
    28.
    发明申请
    MULTIPLE-SOURCE IMAGING SYSTEM WITH FLAT-PANEL DETECTOR 审中-公开
    具有平板检测器的多源成像系统

    公开(公告)号：WO2009101543A1

    公开(公告)日：2009-08-20

    申请号：PCT/IB2009/050407

    申请日：2009-02-02

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  WIECZOREK, Herfried ,  VOGTMEIER, Gereon

    Inventor： WIECZOREK, Herfried ,  VOGTMEIER, Gereon

    IPC: A61B6/03 ,  G01N23/04

    CPC classification number: A61B6/4007 ,  A61B6/032 ,  A61B6/4014 ,  A61B6/4028 ,  A61B6/4233 ,  A61B6/4447 ,  A61B6/4488

    Abstract: When performing nuclear (e.g., SPECT or PET) and CT scans on a patient, an imaging system (10) includes three or more carbon nanotube x-ray sources (20) are circumferentially spaced along an arc of a rotatable gantry (16) that spans a distance larger than a maximum cross-sectional dimension of a section of a patient (14) to be imaged. The x-ray sources are sequentially pulsed to emit x-rays for scanning a section of a patient (14) including a volume of interest (VOI) (13). Only one source (20) is in an ON state at a time to create a duty cycle, which reduces cooling time for the respective sources as well as radiation dose to the subject. X-rays traversing the patient (14) are received at a flat panel x-ray detector (22) that has a width smaller than the maximum cross-sectional dimesion, which further reduces the weight and size of the system (10).

    Abstract translation: 当对患者进行核（例如SPECT或PET）和CT扫描时，成像系统（10）包括三个或更多个碳纳米管x射线源（20）沿着可旋转机架（16）的圆弧沿圆周间隔开， 跨越要被成像的患者（14）的一部分的最大横截面尺寸的距离。 x射线源被顺序地脉冲以发射X射线，用于扫描包括感兴趣体积（VOI）（13）的患者（14）的一部分。 一次只有一个源（20）处于ON状态以创建占空比，这降低了各个源的冷却时间以及对被摄体的辐射剂量。 穿过患者（14）的X射线被接收在具有小于最大横截面尺寸的宽度的平板X射线检测器（22）上，这进一步减小了系统（10）的重量和尺寸。

    CARDIAC SPECT SYSTEM WITH TRAJECTORY OPTIMIZATION
    29.
    发明申请
    CARDIAC SPECT SYSTEM WITH TRAJECTORY OPTIMIZATION 审中-公开
    CARDIAC SPECT系统与TRAJECTORY优化

    公开(公告)号：WO2008036517A2

    公开(公告)日：2008-03-27

    申请号：PCT/US2007077978

    申请日：2007-09-10

    Applicant: KONINKL PHILIPS ELECTRONICS NV ,  PHILIPS CORP ,  GOEDICKE ANDREAS G ,  WIECZOREK HERFRIED K ,  DORSCHEID RALF ,  SCHAAF MICHAEL

    Inventor： GOEDICKE ANDREAS G ,  WIECZOREK HERFRIED K ,  DORSCHEID RALF ,  SCHAAF MICHAEL

    IPC: G01T1/00

    CPC classification number: G01T1/17 ,  A61B6/027 ,  A61B6/037 ,  A61B6/503 ,  G01T1/1647

    Abstract: In a disclosed imaging method, the instantaneous speed or data acquisition dwell times of a detector head (14, 16) is optimized as a function of position along a path (P) of the detector head around a subject (S, SS, SXL). The optimization is respective to an expected radioactive emission profile (EPROI) of a region of interest (H, HS, HXL) that is less than the entire subject. The detector head is traversed along the path using the optimized instantaneous speed or data acquisition dwell times (40). During the traversing, imaging data are acquired using the detector head. The acquired imaging data are reconstructed to generate a reconstructed image of at least the region of interest. A gamma camera (10) configured to perform the foregoing imaging method is also disclosed.

    Abstract translation: 在公开的成像方法中，检测器头（14,16）的瞬时速度或数据采集驻留时间被优化为围绕被检体（S，SS，SXL）的检测器头的路径（P）的位置的函数， 。 优化对应于小于整个受试者的感兴趣区域（H，HS，HXL）的预期放射性发射谱（EPROI）。 使用优化的瞬时速度或数据采集停留时间（40），检测器头沿路径运行。 在运行期间，使用检测器头获取成像数据。 所获取的成像数据被重建以生成至少感兴趣的区域的重建图像。 还公开了配置成执行上述成像方法的γ照相机（10）。

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