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公开(公告)号：US09057791B2
公开(公告)日：2015-06-16
申请号：US13526641
申请日：2012-06-19
申请人： Thilo Hannemann , Silke Janssen , Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Mario Reinwand
发明人： Thilo Hannemann , Silke Janssen , Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Mario Reinwand
IPC分类号： G01T1/24
CPC分类号： G01T1/243
摘要： A quantum-counting radiation detector in which signals of individual pixels and signals of combined pixels are evaluated in parallel processing branches and count results are combined in an appropriate manner, thereby reducing the influence of unwanted interference effects for the respective application.
摘要翻译： 在并行处理分支中计算各个像素和合成像素的信号的量子计数辐射检测器，并以适当的方式组合计数结果，从而减少对各个应用的不希望的干扰效应的影响。
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公开(公告)号：US20120326049A1
公开(公告)日：2012-12-27
申请号：US13526641
申请日：2012-06-19
申请人： Thilo Hannemann , Silke Janssen , Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Mario Reinwand
发明人： Thilo Hannemann , Silke Janssen , Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Mario Reinwand
IPC分类号： G01T1/18
CPC分类号： G01T1/243
摘要： A quantum-counting radiation detector is disclosed, in particular an x-ray detector. In at least one embodiment, the signals of the individual pixels and the signals of combined pixels are evaluated in parallel processing branches. It is then possible to combine the count results in an appropriate manner, to reduce the influence of unwanted interference effects for the respective application.
摘要翻译： 公开了一种量子计数辐射检测器，特别是X射线检测器。 在至少一个实施例中，以并行处理分支评估各个像素的信号和组合像素的信号。 然后可以以适当的方式组合计数结果，以减少对各个应用的不希望的干扰效应的影响。
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3.发明申请公开(公告)号：US20130214144A1
公开(公告)日：2013-08-22
申请号：US13561690
申请日：2012-07-30
IPC分类号： G01T1/40
摘要： A method is disclosed for homogenization of threshold values of a multichannel, quanta-counting radiation detector. In an embodiment of the method empty measurements are carried out with the detector at different spectral compositions of the radiation with different settings of threshold values of the comparators. For each channel of which the comparators is to be set to the same energy threshold, an adapted threshold value is determined for this energy threshold from the empty measurement, at which a variation of the normalized count rate of the channel is minimized over the different spectral compositions of the radiation. This avoids problems in the further processing of the measurement data of the detector, which can occur during alterations of the spectrum.
摘要翻译： 公开了一种用于均衡多通道量子计数辐射检测器的阈值的方法。 在该方法的实施例中，利用不同比较器阈值设置的辐射的不同光谱组成的检测器进行空测量。 对于其中将比较器设置为相同能量阈值的每个通道，从空的测量中确定适用于该能量阈值的阈值，在该测量中，通道的归一化计数率的变化在不同频谱上被最小化 辐射的组成。 这样可以避免进一步处理检测器的测量数据的问题，这可能在频谱变化期间发生。
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4.发明授权Method for homogenization of the threshold values of a multi-channel, quanta-counting radiation detector 有权用于均衡多通道量子计数辐射探测器的阈值的方法公开(公告)号：US08716652B2
公开(公告)日：2014-05-06
申请号：US13561690
申请日：2012-07-30
摘要： A method is disclosed for homogenization of threshold values of a multichannel, quanta-counting radiation detector. In an embodiment of the method empty measurements are carried out with the detector at different spectral compositions of the radiation with different settings of threshold values of the comparators. For each channel of which the comparators is to be set to the same energy threshold, an adapted threshold value is determined for this energy threshold from the empty measurement, at which a variation of the normalized count rate of the channel is minimized over the different spectral compositions of the radiation. This avoids problems in the further processing of the measurement data of the detector, which can occur during alterations of the spectrum.
摘要翻译： 公开了一种用于均衡多通道量子计数辐射检测器的阈值的方法。 在该方法的实施例中，利用不同比较器阈值设置的辐射的不同光谱组成的检测器进行空测量。 对于其中将比较器设置为相同能量阈值的每个通道，从空的测量中确定适用于该能量阈值的阈值，在该测量中，通道的归一化计数率的变化在不同频谱上被最小化 辐射的组成。 这样可以避免进一步处理检测器的测量数据的问题，这可能在频谱变化期间发生。
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公开(公告)号：US20120158811A1
公开(公告)日：2012-06-21
申请号：US13328198
申请日：2011-12-16
申请人： Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Karl Stierstorfer , Helmut Winkelmann
发明人： Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Karl Stierstorfer , Helmut Winkelmann
摘要： A method is disclosed for transmitting measurement data from a transmitter system to a receiver system by way of a transmission link of a medical device. In an embodiment, the measurement data, as input data of a transformation method, is transformed to output values and, after transmission, back transformed again, the values of the input data lying between a maximum value and a minimum value and an assignment function being used for compression purposes, to allocate an output value to every value of the input data, a root function being used as the assignment function for at least some of the values.
摘要翻译： 公开了一种通过医疗设备的传输链路将测量数据从发射机系统传输到接收机系统的方法。 在一个实施例中，将作为变换方法的输入数据的测量数据变换为输出值，并且在传输之后再次变换为输入数据的值，其中，最大值和最小值之间的输入数据和分配函数为 用于压缩目的，为输入数据的每个值分配输出值，根函数用作至少一些值的分配函数。
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公开(公告)号：US09078625B2
公开(公告)日：2015-07-14
申请号：US13328198
申请日：2011-12-16
申请人： Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Karl Stierstorfer , Helmut Winkelmann
发明人： Steffen Kappler , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Karl Stierstorfer , Helmut Winkelmann
摘要： A method is disclosed for transmitting measurement data from a transmitter system to a receiver system by way of a transmission link of a medical device. In an embodiment, the measurement data, as input data of a transformation method, is transformed to output values and, after transmission, back transformed again, the values of the input data lying between a maximum value and a minimum value and an assignment function being used for compression purposes, to allocate an output value to every value of the input data, a root function being used as the assignment function for at least some of the values.
摘要翻译： 公开了一种通过医疗设备的传输链路将测量数据从发射机系统传输到接收机系统的方法。 在一个实施例中，将作为变换方法的输入数据的测量数据变换为输出值，并且在传输之后再次变换为输入数据的值，其中，最大值和最小值之间的输入数据和分配函数为 用于压缩目的，为输入数据的每个值分配输出值，根函数用作至少一些值的分配函数。
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7.发明授权Method for energy calibrating quantum-counting x-ray detectors in a dual-source computed-tomography scanner 有权双源计算机断层扫描仪中量子计数x射线检测器的能量校准方法公开(公告)号：US09039284B2
公开(公告)日：2015-05-26
申请号：US13795203
申请日：2013-03-12
申请人： Mario Eichenseer , Steffen Kappler , Edgar Kraft , Björn Kreisler , Daniel Niederlöhner , Stefan Wirth
发明人： Mario Eichenseer , Steffen Kappler , Edgar Kraft , Björn Kreisler , Daniel Niederlöhner , Stefan Wirth
CPC分类号： G01T7/005 , G01T1/2985
摘要： A method is disclosed for energy calibrating quantum-counting x-ray detectors in an x-ray installation including at least two x-ray systems turnable around a center of rotation. A target, for producing x-ray fluorescence radiation, is positioned between the first x-ray source and first x-ray detector and irradiated with x-radiation of the first x-ray source in such a way that x-ray fluorescence radiation which strikes the second x-ray detector from the target is produced by the x-radiation of the first x-ray source. The second x-ray detector is then energy calibrated by way of the x-ray fluorescence radiation of the target. The first x-ray detector can be energy calibrated in the same way with the aid of the x-radiation of the second x-ray source. With the proposed method, the x-ray detectors of a dual-source CT x-ray installation can be calibrated with little expenditure under conditions close to those of the system.
摘要翻译： 公开了一种在X射线装置中用于能量校准量子计数x射线检测器的方法，其包括围绕旋转中心可转动的至少两个x射线系统。 用于产生x射线荧光辐射的靶被定位在第一x射线源和第一x射线检测器之间，并且以第一x射线源的x射线照射，使得x射线荧光辐射 通过第一x射线源的x射线产生来自靶的第二X射线检测器的撞击。 然后通过靶的x射线荧光辐射对第二个X射线检测器进行能量校准。 借助于第二x射线源的x射线，第一个X射线检测器可以以相同的方式进行能量校准。 使用所提出的方法，双源CT X射线装置的x射线检测器可以在接近系统的条件下以少量的支出进行校准。
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8.发明申请Method For Correcting Detector Data Of An X-Ray Detector And X-Ray Recording System 有权用于校正X射线检测器和X射线记录系统的检测器数据的方法公开(公告)号：US20120243660A1
公开(公告)日：2012-09-27
申请号：US13426983
申请日：2012-03-22
申请人： Steffen Kappler , Johannes Kippes , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Christian Schröter , Thomas Von Der Haar
发明人： Steffen Kappler , Johannes Kippes , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Christian Schröter , Thomas Von Der Haar
IPC分类号： A61B6/03
摘要： In a method, with a current measurement, the history of the radiation exposure of the X-ray detector is taken into account with respect to the overall X-ray detector or subareas of the X-ray detector, in respect of a reduction in the measurement sensitivity produced as a result and a recovery of the reduction in the measurement sensitivity, and the determined measuring signal is corrected with a correction factor which is dependent on the history of the radiation exposure. Furthermore, an X-ray recording system includes a detector which includes a plurality of detector elements, which are read out in groups channel by channel and a read-out apparatus with computer-assisted device for correcting read-out detector data prior to a further processing of the detector data to form projective or tomographic images.
摘要翻译： 在一种方法中，通过电流测量，关于X射线检测器的整个X射线检测器或子区域考虑X射线检测器的辐射暴露的历史，关于减少 作为结果产生的测量灵敏度和测量灵敏度的降低的恢复，并且所确定的测量信号用取决于辐射暴露的历史的校正因子来校正。 此外，X射线记录系统包括检测器，其包括多个检测器元件，其逐个通道分组读出;以及读出装置，具有计算机辅助装置，用于在进一步检测之前校正读出检测器数据 处理检测器数据以形成投影或断层图像。
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9.发明授权Method for correcting detector data of an X-ray detector and X-ray recording system 有权用于校正X射线检测器和X射线记录系统的检测器数据的方法公开(公告)号：US08915647B2
公开(公告)日：2014-12-23
申请号：US13426983
申请日：2012-03-22
申请人： Steffen Kappler , Johannes Kippes , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Christian Schröter , Thomas Von Der Haar
发明人： Steffen Kappler , Johannes Kippes , Edgar Kraft , Daniel Niederlöhner , Thomas Reichel , Christian Schröter , Thomas Von Der Haar
摘要： In a method, with a current measurement, the history of the radiation exposure of the X-ray detector is taken into account with respect to the overall X-ray detector or subareas of the X-ray detector, in respect of a reduction in the measurement sensitivity produced as a result and a recovery of the reduction in the measurement sensitivity, and the determined measuring signal is corrected with a correction factor which is dependent on the history of the radiation exposure. Furthermore, an X-ray recording system includes a detector which includes a plurality of detector elements, which are read out in groups channel by channel and a read-out apparatus with computer-assisted device for correcting read-out detector data prior to a further processing of the detector data to form projective or tomographic images.
摘要翻译： 在一种方法中，通过电流测量，关于X射线检测器的整个X射线检测器或子区域考虑X射线检测器的辐射暴露的历史，关于减少 作为结果产生的测量灵敏度和测量灵敏度的降低的恢复，并且所确定的测量信号用取决于辐射暴露的历史的校正因子来校正。 此外，X射线记录系统包括检测器，其包括多个检测器元件，其逐个通道分组读出;以及读出装置，具有计算机辅助装置，用于在进一步检测之前校正读出检测器数据 处理检测器数据以形成投影或断层图像。
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10.发明授权Quantum detector module, quantum detector, method for determining quantum absorption events, computer program product and radiation detection device 有权量子检测器模块，量子检测器，量子吸收事件的确定方法，计算机程序产品和辐射检测装置公开(公告)号：US07796722B2
公开(公告)日：2010-09-14
申请号：US12219205
申请日：2008-07-17
申请人： Silke Janssen , Daniel Niederlöhner
发明人： Silke Janssen , Daniel Niederlöhner
CPC分类号： G01T1/2928
摘要： A quantum detector module for the quantitative and energy-resolved determination of quantum absorption events, a quantum detector, a method for determining quantum absorption events, a computer program product and a radiation detection device are disclosed. In at least one embodiment, the quantum detector module includes a multiplicity of detector pixels. In order to determine the quantum absorption events particularly precisely, in at least one embodiment it is provided that the detector pixels have at least two mutually different pixel apertures.
摘要翻译： 公开了用于量子吸收事件的定量和能量分辨测定的量子检测器模块，量子检测器，用于确定量子吸收事件的方法，计算机程序产品和放射线检测装置。 在至少一个实施例中，量子检测器模块包括多个检测器像素。 为了特别精确地确定量子吸收事件，在至少一个实施例中，检测器像素具有至少两个相互不同的像素孔径。
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