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18 条记录 (耗时 0.023 秒)

    Wireless X-ray detector operation coordination system and method
    12.
    发明授权
    Wireless X-ray detector operation coordination system and method 有权
    无线X射线探伤仪操作协调系统及方法

    公开(公告)号：US08243883B2

    公开(公告)日：2012-08-14

    申请号：US12776207

    申请日：2010-05-07

    申请人： Jon Charles Omernick ,  Manfred David Boehm ,  Gireesha C. Rao ,  James Zhengshe Liu ,  Chuande Liu ,  Kiran Shankaranarayana ,  Karla Angelica Arista

    发明人： Jon Charles Omernick ,  Manfred David Boehm ,  Gireesha C. Rao ,  James Zhengshe Liu ,  Chuande Liu ,  Kiran Shankaranarayana ,  Karla Angelica Arista

    IPC分类号： H05G1/64

    CPC分类号： G01T7/00 ,  A61B6/4494 ,  A61B6/548 ,  G01V5/0008 ,  G06F19/00 ,  G06F19/3418

    摘要： In one embodiment, a method for coordinating operation of X-ray detectors in a wireless X-ray system includes detecting multiple wireless X-ray detectors within an operative range of an X-ray base station, the detected X-ray detectors each having one of multiple possible statuses, including an active status corresponding to a designation of the X-ray detector as a desired recipient of radiation during a current X-ray imaging sequence, an inactive status corresponding to a designation of the X-ray detector as not the desired recipient of radiation during a current X-ray imaging sequence, and an unenabled status corresponding to the X-ray detector not being configured to operate with the X-ray base station. The method also includes determining the current status of each detected X-ray detector and displaying on a user-viewable screen a visual indication of the status of each detected X-ray detector.

    摘要翻译： 在一个实施例中，一种用于协调无线X射线系统中的X射线检测器的操作的方法包括检测在X射线基站的操作范围内的多个无线X射线检测器，所检测的X射线检测器各自具有一个 包括对应于当前X射线成像序列期间作为辐射的期望接收者的X射线检测器的指定的活动状态，对应于X射线检测器的指定的不活动状态，不是 在当前X射线成像序列期间所期望的辐射接收者，以及对应于X射线检测器的未启用状态，其未被配置为与X射线基站一起操作。 该方法还包括确定每个检测到的X射线检测器的当前状态，并且在用户可视屏幕上显示每个检测到的X射线检测器的状态的视觉指示。

    WIRELESS COMMUNICATION IN A MEDICAL IMAGING OR MONITORING SYSTEM
    13.
    发明申请
    WIRELESS COMMUNICATION IN A MEDICAL IMAGING OR MONITORING SYSTEM 有权
    医疗成像或监控系统中的无线通信

    公开(公告)号：US20120177183A1

    公开(公告)日：2012-07-12

    申请号：US12986943

    申请日：2011-01-07

    申请人： James Zhengshe Liu ,  Kenneth Kump ,  Gireesha Rao ,  Chuande Liu ,  Craig Dennis

    发明人： James Zhengshe Liu ,  Kenneth Kump ,  Gireesha Rao ,  Chuande Liu ,  Craig Dennis

    IPC分类号： H04W24/00 ,  H05G1/08 ,  H04L12/26

    CPC分类号： A61B6/4411 ,  A61B6/4405 ,  A61B6/548 ,  A61B6/56

    摘要： The present disclosure is directed towards a method of changing wireless communication channels in a connected host and client system. For example, in one embodiment, the link quality of a connection is monitored by the host or the client. If the connection has a link quality below a predetermined threshold but remains intact, a channel switch request is sent, synchronization packages are exchanged between the host and client on the current channel, the channel of the system is changed to a new channel, and the system resumes communications on the new channel.

    摘要翻译： 本公开涉及一种在连接的主机和客户端系统中改变无线通信信道的方法。 例如，在一个实施例中，由主机或客户端监视连接的链路质量。 如果连接的链路质量低于预定阈值但保持不变，则发送信道切换请求，在当前信道上的主机和客户端之间交换同步包，系统的信道被改变为新的信道，并且 系统在新频道上恢复通信。

    WIRELESS X-RAY DETECTOR OPERATION COORDINATION SYSTEM AND METHOD
    14.
    发明申请
    WIRELESS X-RAY DETECTOR OPERATION COORDINATION SYSTEM AND METHOD 有权
    无线X射线探测器操作协调系统及方法

    公开(公告)号：US20110274251A1

    公开(公告)日：2011-11-10

    申请号：US12776207

    申请日：2010-05-07

    申请人： Jon Charles Omernick ,  Manfred David Boehm ,  Gireesha C. Rao ,  James Zhengshe Liu ,  Chuande Liu ,  Kiran Shankaranarayana ,  Karla Angelica Arista

    发明人： Jon Charles Omernick ,  Manfred David Boehm ,  Gireesha C. Rao ,  James Zhengshe Liu ,  Chuande Liu ,  Kiran Shankaranarayana ,  Karla Angelica Arista

    IPC分类号： H05G1/64

    CPC分类号： G01T7/00 ,  A61B6/4494 ,  A61B6/548 ,  G01V5/0008 ,  G06F19/00 ,  G06F19/3418

    摘要： In one embodiment, a method for coordinating operation of X-ray detectors in a wireless X-ray system includes detecting multiple wireless X-ray detectors within an operative range of an X-ray base station, the detected X-ray detectors each having one of multiple possible statuses, including an active status corresponding to a designation of the X-ray detector as a desired recipient of radiation during a current X-ray imaging sequence, an inactive status corresponding to a designation of the X-ray detector as not the desired recipient of radiation during a current X-ray imaging sequence, and an unenabled status corresponding to the X-ray detector not being configured to operate with the X-ray base station. The method also includes determining the current status of each detected X-ray detector and displaying on a user-viewable screen a visual indication of the status of each detected X-ray detector.

    摘要翻译： 在一个实施例中，一种用于协调无线X射线系统中的X射线检测器的操作的方法包括检测X射线基站的操作范围内的多个无线X射线检测器，检测到的X射线检测器各自具有一个 包括对应于当前X射线成像序列期间作为辐射的期望接收者的X射线检测器的指定的活动状态，对应于X射线检测器的指定的不活动状态，不是 在当前X射线成像序列期间所期望的辐射接收者，以及对应于X射线检测器的未启用状态，其未被配置为与X射线基站一起操作。 该方法还包括确定每个检测到的X射线检测器的当前状态，并且在用户可视屏幕上显示每个检测到的X射线检测器的状态的视觉指示。

    Digital image orientation marker
    17.
    发明授权
    Digital image orientation marker 失效
    数字图像取向标记

    公开(公告)号：US06354737B1

    公开(公告)日：2002-03-12

    申请号：US09438606

    申请日：1999-11-12

    申请人： Mark J. Hufe ,  David Paul Wolff ,  Chuande Liu

    发明人： Mark J. Hufe ,  David Paul Wolff ,  Chuande Liu

    IPC分类号： H05G128

    CPC分类号： H04N5/32 ,  G01N23/04 ,  H04N5/23293

    摘要： An orientation marker for a digital radiogram formed by a plurality of pixels arrayed along a plurality of rows and columns. The pixels have densities which represent the radiogram optical density at each pixel point, and the densities are represented by digital values. The marker is made by a number of marker pixels arrayed along at least one row and one column of the radiogram. Each of the pixels forming the marker, have a marker pixel digital value which has been selected to form an asymmetrical marker pixel pattern on the radiogram, replacing the original radiogram pixel values.

    摘要翻译： 一种用于由沿多个行和列排列的多个像素形成的数字无线电图形的方向标记。 像素具有表示每个像素点处的放射线光密度的密度，并且密度由数字值表示。 标记由沿着放射线图的至少一行和一列排列的多个标记像素制成。 形成标记的每个像素具有标记像素数字值，其已经被选择以在放射线图上形成非对称标记像素图案，代替原始的无线电图像像素值。

    Bad pixel column processing in a radiation detection panel
    18.
    发明授权
    Bad pixel column processing in a radiation detection panel 有权
    辐射检测面板中的像素不良像素处理

    公开(公告)号：US6118846A

    公开(公告)日：2000-09-12

    申请号：US255772

    申请日：1999-02-23

    申请人： Chuande Liu

    发明人： Chuande Liu

    IPC分类号： G01N23/04

    CPC分类号： G01N23/04 ,  H04N5/32 ,  H04N5/367

    摘要： A process and associated apparatus for performing defective pixel correction in a radiation detector having a plurality of radiation sensors arrayed in rows and columns. The process and associated apparatus are specifically directed to correcting defects consisting of a plurality of adjacent pixels arrayed along and connected to a common electrode forming a bad pixel line. The pixel correction is accomplished by identifying the bad pixel line, forming a window of a plurality of pixel lines co-extending along the bad pixel line; identifying a limited number of adjacent pixel lines adjacent to the bad pixel line as also being bad pixel lines; preferably subdividing the window pixels into smaller windows along the bad pixel line, deriving correction coefficients for all bad line pixels in each subdivision from the good pixels in each subdivision and using the correction coefficients to correct the pixels in both the original bad line and in the adjacent bad pixel lines.

    摘要翻译： 一种用于在具有排列成行和列的多个辐射传感器的辐射检测器中执行缺陷像素校正的过程和相关装置。 该过程和相关装置专门用于校正由多个相邻像素组成的缺陷，该多个相邻像素沿着并连接到形成不良像素线的公共电极连接。 通过识别不良像素线来形成像素校正，形成沿着不良像素线共同延伸的多个像素线的窗口; 识别与坏像素线相邻的有限数量的相邻像素线也是不良像素线; 优选地将窗口像素沿着不良像素线细分成更小的窗口，从每个细分中的好像素导出每个细分中的所有坏行像素的校正系数，并且使用校正系数来校正原始不良行和 相邻的坏像素线。