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公开(公告)号：US11083422B2
公开(公告)日：2021-08-10
申请号：US16384208
申请日：2019-04-15
Applicant: Analogic Corporation
Inventor： Matthew B. Christensen , Aleksander Roshi , Anton Deykoon
Abstract: Among other things, one or more systems and/or techniques are described for shaping a profile of radiation attenuation in a fan-angle direction via a pre-object filter (e.g., a bowtie filter) based upon a profile of an object. For example, a pre-object filter may be at least partially rotated about a filter axis and/or may be translated in a direction parallel to a direction of conveyance of the object under examination to adjust a profile of radiation attenuation in the fan-angle direction. Further, in one embodiment, the profile of radiation attenuation may be reshaped during rotation of the radiation source about the object to adjust an amount of radiation attenuation in the fan-angle direction (e.g., to adjust a profile of radiation attenuation as a shape of the object changes from a perspective of a radiation source as the radiation source is rotated about the object).
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Patent Agency Ranking
公开(公告)号：US10107766B2
公开(公告)日：2018-10-23
申请号：US14597756
申请日：2015-01-15
Applicant: Analogic Corporation
Inventor： Doug Q. Abraham , Anton Deykoon , Basak Ulker Karbeyaz
IPC: G01N23/087
Abstract: Among other things, one or more techniques and/or systems are described for defining imaging modes and for operating a photon counting radiation imaging system. A set of imaging modes with different counting schemes may be defined such that counting schemes will count detection events of a set of radiation events in different manners. For example, a first counting scheme may count primary detection events in a primary counter and secondary detection events in a secondary counter. A second counting scheme may count primary and secondary detection events in the primary counter. A third counting scheme may merely count detection events occurring within a primary detector cell associated with the primary counter. A fourth counting scheme may combine energy of detection events into merged energy. A selected imaging mode may be applied to the photon counting radiation imaging system in order to achieve desired image scanning characteristics (e.g., spatial resolution, dose savings, spectral ability).
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公开(公告)号：US09588239B2
公开(公告)日：2017-03-07
申请号：US14693370
申请日：2015-04-22
Applicant: Analogic Corporation
Inventor： Douglas Abraham , David Rozas , Anton Deykoon
CPC classification number: G01T1/247 , A61B6/03 , A61B6/4241 , A61B6/5205 , G01T1/1642 , G01T1/17 , G01T1/2985
Abstract: Among other things, one or more techniques and/or systems are described for generating an output of a detector cell of a photon counting detector array. A counter block generates integration data and photon counting data associated with the photon counting detector array. Responsive to a number of detection events counted during a measurement interval (e.g., a view) not exceeding a first detection event count threshold, a first output may be generated based upon the photon counting data. Responsive to the number of detection events exceeding a second detection event count threshold, a second output may be generated based upon the integration data. Responsive to the number of detection events being between the first detection event count threshold and the second detection event count threshold, a blended output may be generated based upon the photon counting data and the integration data.
Abstract translation: 除其他之外，描述了一个或多个技术和/或系统，用于产生光子计数检测器阵列的检测器单元的输出。 计数器块产生与光子计数检测器阵列相关联的积分数据和光子计数数据。 响应于在不超过第一检测事件计数阈值的测量间隔（例如，视图）期间计数的多个检测事件，可以基于光子计数数据生成第一输出。 响应于超过第二检测事件计数阈值的检测事件的数量，可以基于积分数据生成第二输出。 响应于在第一检测事件计数阈值和第二检测事件计数阈值之间的检测事件的数量，可以基于光子计数数据和积分数据生成混合输出。
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公开(公告)号：US20160313457A1
公开(公告)日：2016-10-27
申请号：US14693370
申请日：2015-04-22
Applicant: Analogic Corporation
Inventor： Douglas Abraham , David Rozas , Anton Deykoon
CPC classification number: G01T1/247 , A61B6/03 , A61B6/4241 , A61B6/5205 , G01T1/1642 , G01T1/17 , G01T1/2985
Abstract: Among other things, one or more techniques and/or systems are described for generating an output of a detector cell of a photon counting detector array. A counter block generates integration data and photon counting data associated with the photon counting detector array. Responsive to a number of detection events counted during a measurement interval (e.g., a view) not exceeding a first detection event count threshold, a first output may be generated based upon the photon counting data. Responsive to the number of detection events exceeding a second detection event count threshold, a second output may be generated based upon the integration data. Responsive to the number of detection events being between the first detection event count threshold and the second detection event count threshold, a blended output may be generated based upon the photon counting data and the integration data.
Abstract translation: 除其他之外，描述了一个或多个技术和/或系统，用于产生光子计数检测器阵列的检测器单元的输出。 计数器块产生与光子计数检测器阵列相关联的积分数据和光子计数数据。 响应于在不超过第一检测事件计数阈值的测量间隔（例如，视图）期间计数的多个检测事件，可以基于光子计数数据生成第一输出。 响应于超过第二检测事件计数阈值的检测事件的数量，可以基于积分数据生成第二输出。 响应于在第一检测事件计数阈值和第二检测事件计数阈值之间的检测事件的数量，可以基于光子计数数据和积分数据生成混合输出。
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公开(公告)号：US20160209338A1
公开(公告)日：2016-07-21
申请号：US14597756
申请日：2015-01-15
Applicant: Analogic Corporation
Inventor： Doug Q. Abraham , Anton Deykoon , Basak Ulker Karbeyaz
IPC: G01N23/087
CPC classification number: G01N23/087 , G01N2223/423
Abstract: Among other things, one or more techniques and/or systems are described for defining imaging modes and for operating a photon counting radiation imaging system. A set of imaging modes with different counting schemes may be defined such that counting schemes will count detection events of a set of radiation events in different manners. For example, a first counting scheme may count primary detection events in a primary counter and secondary detection events in a secondary counter. A second counting scheme may count primary and secondary detection events in the primary counter. A third counting scheme may merely count detection events occurring within the primary detector cell associated with the primary counter. A fourth counting scheme may combine energy of detection events into merged energy. A selected imaging mode may be applied to the photon counting radiation imaging system in order to achieve desired image scanning characteristics (e.g., spatial resolution, dose savings, spectral ability).
Abstract translation: 除其他之外，描述了一种或多种技术和/或系统用于定义成像模式和用于操作光子计数辐射成像系统。 可以定义具有不同计数方案的一组成像模式，使得计数方案将以不同的方式对一组辐射事件的检测事件进行计数。 例如，第一计数方案可以计数主计数器中的主要检测事件和辅助计数器中的辅助检测事件。 第二计数方案可以计算主计数器中的主要和次要检测事件。 第三计数方案可以仅仅计数与主计数器相关联的主检测器单元内发生的检测事件。 第四计数方案可以将检测事件的能量合并成能量。 选择的成像模式可以应用于光子计数辐射成像系统，以便实现期望的图像扫描特性（例如，空间分辨率，剂量节省，光谱能力）。
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6.发明申请公开(公告)号：US20190239832A1
公开(公告)日：2019-08-08
申请号：US16384208
申请日：2019-04-15
Applicant: Analogic Corporation
Inventor： Matthew B. Christensen , Aleksander Roshi , Anton Deykoon
CPC classification number: A61B6/4035 , A61B6/032 , A61B6/06 , A61B6/4078 , G21K1/10
Abstract: Among other things, one or more systems and/or techniques are described for shaping a profile of radiation attenuation in a fan-angle direction via a pre-object filter (e.g., a bowtie filter) based upon a profile of an object. For example, a pre-object filter may be at least partially rotated about a filter axis and/or may be translated in a direction parallel to a direction of conveyance of the object under examination to adjust a profile of radiation attenuation in the fan-angle direction. Further, in one embodiment, the profile of radiation attenuation may be reshaped during rotation of the radiation source about the object to adjust an amount of radiation attenuation in the fan-angle direction (e.g., to adjust a profile of radiation attenuation as a shape of the object changes from a perspective of a radiation source as the radiation source is rotated about the object).
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