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    • 1. 发明授权
    • Image reconstructing apparatus, X-ray computed tomography apparatus, and image reconstructing method
    • 图像重建装置,X射线计算机断层摄影装置和图像重建方法
    • US09050002B2
    • 2015-06-09
    • US12861319
    • 2010-08-23
    • Yasuhiro NoshiSatoshi Saito
    • Yasuhiro NoshiSatoshi Saito
    • G06K9/00A61B6/03G06T11/00A61B6/00
    • A61B6/032A61B6/503A61B6/541G06T11/006G06T2211/412
    • According to one embodiment, an apparatus includes a reconstructing unit, a first control unit, a detecting unit, a generating unit, and a second control unit. The first control unit controls the reconstructing unit to reconstruct first images based on projection data collected in first periods. The detecting unit detects second periods which belong to pulsation cycles different from one another and in which an organ to be imaged is in the substantially same form, based on the first images. The generating unit generates data for reconstruction including projection data for the required angle range by combining projection data collected in third periods close to the second periods. The second control unit controls the reconstructing unit to reconstruct a second image based the data for reconstruction.
    • 根据一个实施例,一种装置包括重建单元,第一控制单元,检测单元,生成单元和第二控制单元。 第一控制单元基于在第一周期中收集的投影数据来控制重建单元重构第一图像。 检测单元基于第一图像检测属于彼此不同的脉动周期的第二周期,并且其中要成像的器官基本相同的形式。 生成单元通过组合在接近第二周期的第三周期中收集的投影数据来生成包括所需角度范围的投影数据的重建数据。 第二控制单元基于重建数据控制重建单元重建第二图像。
    • 2. 发明申请
    • X-RAY COMPUTED TOMOGRAPHY APPARATUS
    • X射线计算机图像设备
    • US20090110139A1
    • 2009-04-30
    • US12256855
    • 2008-10-23
    • Yasuhiro NOSHISatoru NakanishiSatoshi Saito
    • Yasuhiro NOSHISatoru NakanishiSatoshi Saito
    • A61B6/00
    • A61B6/032A61B6/027G06T11/006G06T2211/421
    • A control unit performs helical scanning an subject while moving a top along a direction substantially parallel to a body axis. An acquisition unit acquires projection data via an X-ray detector. A projection data extraction unit extracts a projection data set necessary for the reconstruction of image data associated with a predetermined slice position from the projection data. A weighting unit assigns a smaller weight to first projection data of the extracted projection data than a weight assigned to second projection data, the first projection data being acquired outside a predetermined period including a predetermined acquisition time of the projection data at the predetermined slice position, the second projection data being acquired within the predetermined period. A reconstruction processing unit reconstructs image data on the basis of the first projection data and the second projection data to which the weights are assigned.
    • 控制单元沿着基本上平行于体轴的方向移动顶部,执行对象的螺旋扫描。 获取单元通过X射线检测器获取投影数据。 投影数据提取单元从投影数据中提取与预定切片位置相关联的图像数据的重建所需的投影数据集。 加权单元将分配给所提取的投影数据的第一投影数据的权重分配给比分配给第二投影数据的权重更小的权重,所述第一投影数据在包含预定切片位置处的投影数据的预定获取时间的预定周期之外获取, 所述第二投影数据在所述预定时段内获取。 重建处理单元基于第一投影数据和分配权重的第二投影数据来重构图像数据。
    • 3. 发明申请
    • IMAGE RECONSTRUCTING APPARATUS, X-RAY COMPUTED TOMOGRAPHY APPARATUS, AND IMAGE RECONSTRUCTING METHOD
    • 图像重建装置,X射线计算机图像设备和图像重建方法
    • US20110052027A1
    • 2011-03-03
    • US12861319
    • 2010-08-23
    • Yasuhiro NOSHISatoshi Saito
    • Yasuhiro NOSHISatoshi Saito
    • G06K9/00A61B6/03
    • A61B6/032A61B6/503A61B6/541G06T11/006G06T2211/412
    • According to one embodiment, an apparatus includes a reconstructing unit, a first control unit, a detecting unit, a generating unit, and a second control unit. The first control unit controls the reconstructing unit to reconstruct first images based on projection data collected in first periods. The detecting unit detects second periods which belong to pulsation cycles different from one another and in which an organ to be imaged is in the substantially same form, based on the first images. The generating unit generates data for reconstruction including projection data for the required angle range by combining projection data collected in third periods close to the second periods. The second control unit controls the reconstructing unit to reconstruct a second image based the data for reconstruction.
    • 根据一个实施例,一种装置包括重建单元,第一控制单元,检测单元,生成单元和第二控制单元。 第一控制单元基于在第一周期中收集的投影数据来控制重建单元重构第一图像。 检测单元基于第一图像检测属于彼此不同的脉动周期的第二周期,并且其中要成像的器官基本相同的形式。 生成单元通过组合在接近第二周期的第三周期中收集的投影数据来生成包括所需角度范围的投影数据的重建数据。 第二控制单元基于重建数据控制重建单元重建第二图像。
    • 4. 发明授权
    • X-ray computed tomography apparatus
    • X射线计算机断层摄影装置
    • US08094774B2
    • 2012-01-10
    • US12256855
    • 2008-10-23
    • Yasuhiro NoshiSatoru NakanishiSatoshi Saito
    • Yasuhiro NoshiSatoru NakanishiSatoshi Saito
    • A61B6/03
    • A61B6/032A61B6/027G06T11/006G06T2211/421
    • A control unit performs helical scanning an subject while moving a top along a direction substantially parallel to a body axis. An acquisition unit acquires projection data via an X-ray detector. A projection data extraction unit extracts a projection data set necessary for the reconstruction of image data associated with a predetermined slice position from the projection data. A weighting unit assigns a smaller weight to first projection data of the extracted projection data than a weight assigned to second projection data, the first projection data being acquired outside a predetermined period including a predetermined acquisition time of the projection data at the predetermined slice position, the second projection data being acquired within the predetermined period. A reconstruction processing unit reconstructs image data on the basis of the first projection data and the second projection data to which the weights are assigned.
    • 控制单元沿着基本上平行于体轴的方向移动顶部,执行对象的螺旋扫描。 获取单元通过X射线检测器获取投影数据。 投影数据提取单元从投影数据中提取与预定切片位置相关联的图像数据的重建所需的投影数据集。 加权单元将分配给所提取的投影数据的第一投影数据的权重分配给比分配给第二投影数据的权重更小的权重,所述第一投影数据在包含预定切片位置处的投影数据的预定获取时间的预定周期之外获取, 所述第二投影数据在所述预定时段内获取。 重建处理单元基于第一投影数据和分配权重的第二投影数据来重构图像数据。
    • 5. 发明授权
    • Information processing apparatus, system, and information processing method
    • US11842146B2
    • 2023-12-12
    • US18120458
    • 2023-03-13
    • Satoshi Saito
    • Satoshi Saito
    • G06F40/186
    • G06F40/186
    • An information processing apparatus, a system, and an information processing method. The information processing apparatus generates template information including a setting value to be set in the device, generates, based on the input through an association screen displayed on the administrator terminal, association information for associating the template information and device identification information for identifying a device among the plurality of devices, for which the setting value included in the template information is to be set, receives communication information transmitted from the plurality of devices including device identification information for identifying the device, and in response to receiving the communication information including the device identification information associated by the association information, transmits, to a transmission source device of the communication information, a setting request for setting the setting value included in the template information associated with the device identification information in the association information.