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1. 发明申请

WO2012160935A1 IMAGING APPARATUS, CONTROL METHOD THEREFOR, AND IMAGING SYSTEM 审中-公开
标题翻译：成像装置，其控制方法及成像系统
公开(公告)号：WO2012160935A1
公开(公告)日：2012-11-29
申请号：PCT/JP2012/061159
申请日：2012-04-19
申请人： CANON KABUSHIKI KAISHA , TAKENAKA, Katsuro , KAMESHIMA, Toshio , YAGI, Tomoyuki , SATO, Sho , IWASHITA, Atsushi , SUGAWARA, Eriko
发明人： TAKENAKA, Katsuro , KAMESHIMA, Toshio , YAGI, Tomoyuki , SATO, Sho , IWASHITA, Atsushi , SUGAWARA, Eriko
IPC分类号： H04N5/32 , A61B6/00 , H04N5/347 , H04N5/353
CPC分类号： H05G1/56 , A61B6/4283 , A61B6/4405 , H04N5/32 , H04N5/347 , H04N5/353 , H04N5/3742 , H04N5/378
摘要： An imaging apparatus comprises: a detecting unit 101 having a plurality of pixels 201 arranged in a matrix, each including a conversion element and a switch element for outputting a photoelectric conversion signal; a drive circuit unit 102 controlling the switching element such that the switching elements at least in one row are in the conducting state, and the switching elements in non-continuous rows are simultaneously in the conducting state; a signal processing unit 106 generating a detection signal 115 by adding or averaging the electrical signals output by the switch elements in non-continuous rows; a comparing unit 501 comparing the detection signal 115 with a threshold to determine whether the irradiation of radiation or light is started or ended; and a control circuit unit 108 controlling the drive circuit unit 102 or the signal processing unit 106 based on the determination of the comparing unit 501.
摘要翻译：一种成像装置包括：检测单元101，具有以矩阵形式布置的多个像素201，每个像素201包括转换元件和用于输出光电转换信号的开关元件; 控制开关元件的驱动电路单元102，使得至少一行的开关元件处于导通状态，并且非连续行中的开关元件同时处于导通状态; 信号处理单元106通过对由非连续行中的开关元件输出的电信号相加或平均来生成检测信号115; 比较单元501将检测信号115与阈值进行比较，以确定辐射或光的照射是否开始或结束; 以及控制电路单元108，其基于比较单元501的确定来控制驱动电路单元102或信号处理单元106。

2. 发明申请

WO2011033760A1 IMAGING APPARATUS, IMAGING SYSTEM, METHOD OF CONTROLLING THE APPARATUS AND THE SYSTEM, AND PROGRAM 审中-公开
标题翻译：成像装置，成像系统，控制装置和系统的方法及程序
公开(公告)号：WO2011033760A1
公开(公告)日：2011-03-24
申请号：PCT/JP2010/005602
申请日：2010-09-14
申请人： CANON KABUSHIKI KAISHA , YAGI, Tomoyuki , ENDO, Tadao , KAMESHIMA, Toshio , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho
发明人： YAGI, Tomoyuki , ENDO, Tadao , KAMESHIMA, Toshio , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho
IPC分类号： H04N5/32 , G01T1/20 , G01T1/24 , H04N5/335
CPC分类号： H04N5/32 , G01T1/17 , H04N5/343 , H04N5/3454 , H04N5/374
摘要： An imaging apparatus includes a control unit and a detector that includes multiple pixels and that performs an image capturing operation to output image data corresponding to emitted radiation or light. The image capturing operation includes a first image capturing operation in which the detector is scanned in a first scanning area corresponding to part of the multiple pixels to output image data in the first scanning area and a second image capturing operation in which the detector is scanned in a second scanning area larger than the first scanning area to output image data in the second scanning area. The control unit causes the detector to perform an initialization operation to initialize the conversion element during a period between the first image capturing operation and the second image capturing operation in accordance with switching from the first scanning area to the second scanning area.
摘要翻译：成像装置包括控制单元和包括多个像素的检测器，并且执行图像捕获操作以输出对应于所发射的辐射或光的图像数据。图像拍摄操作包括第一图像拍摄操作，其中在与多个像素的一部分相对应的第一扫描区域中扫描检测器，以输出第一扫描区域中的图像数据，以及第二图像捕获操作，其中检测器被扫描大于第一扫描区域的第二扫描区域，以输出第二扫描区域中的图像数据。根据从第一扫描区域到第二扫描区域的切换，控制单元使得检测器执行初始化操作以在第一图像捕获操作和第二图像捕获操作之间的期间初始化转换元件。

3. 发明申请

WO2017085905A1 RADIATION IMAGING SYSTEM, SIGNAL PROCESSING APPARATUS, AND SIGNAL PROCESSING METHOD FOR RADIOGRAPHIC IMAGE 审中-公开
标题翻译：辐射成像系统，信号处理装置和用于射线照相图像的信号处理方法
公开(公告)号：WO2017085905A1
公开(公告)日：2017-05-26
申请号：PCT/JP2016/004707
申请日：2016-10-26
申请人： CANON KABUSHIKI KAISHA
发明人： ISHII, Yoshiaki , IWASHITA, Atsushi , SATO, Sho , TERUI, Kosuke
IPC分类号： G01T1/17 , A61B6/00 , G01N23/04 , G01N23/087 , G01T1/20 , G01T1/24 , G01T1/36
CPC分类号： G01N23/04 , A61B6/4241 , A61B6/5258 , G01N2223/423
摘要： An energy resolution decrease in a radiation imaging apparatus is suppressed. The apparatus includes a detector including a conversion unit configured to convert incident radiation photons into optical photons or charges, a pixel array including pixels arranged in a two-dimensional matrix and configured to obtain a pixel value in accordance with the optical photons or charges, and an output circuit including a plurality of output channels configured to output the pixel value from the pixel array, and a signal processing unit configured to perform signal processing of correcting the pixel value by using a correction coefficient in accordance with a pixel value obtaining process model in which a process of obtaining the pixel value output from the pixel array via the plurality of output channels on the basis of the optical photons or charges is modeled and obtaining an energy-discriminated radiographic image based on the corrected pixel value.
摘要翻译：放射线成像设备中的能量分辨率下降被抑制。该装置包括：检测器，其包括被配置为将入射辐射光子转换为光学光子或电荷的转换单元;像素阵列，其包括以二维矩阵排列的像素并且被配置为根据光学光子或电荷获得像素值;以及输出电路，包括被配置为从像素阵列输出像素值的多个输出通道;以及信号处理单元，被配置为根据像素值获得处理模型，通过使用校正系数来执行校正像素值的信号处理其中基于光学光子或电荷经由多个输出通道获得从像素阵列输出的像素值的处理被建模，并且基于校正的像素值获得能量区分的放射线照相图像。

4. 发明申请

WO2017081837A1 RADIATION IMAGING APPARATUS AND PHOTON COUNTING METHOD 审中-公开
标题翻译：辐射成像装置和光子计数法
公开(公告)号：WO2017081837A1
公开(公告)日：2017-05-18
申请号：PCT/JP2016/004569
申请日：2016-10-13
申请人： CANON KABUSHIKI KAISHA
发明人： ISHII, Yoshiaki , IWASHITA, Atsushi , SATO, Sho , TERUI, Kosuke
IPC分类号： H04N5/32 , A61B6/00 , G01T1/17 , G01T1/20 , H04N5/225
CPC分类号： H04N5/32 , A61B6/4233 , A61B6/4241 , A61B6/482 , A61B6/542 , G01T1/17 , G01T1/20
摘要： A radiation imaging apparatus comprising a pixel array in which a plurality of pixels are arrayed and a processor configured to generate a radiation image based on radio-photons which have entered the pixel array, wherein the processor performs a first process of obtaining a value of a signal from each of the plurality of pixels as a pixel value, a second process of selecting at least one of the plurality of pixels as a reference pixel, and a third process of specifying a detection area of a radio-photon in the pixel array by sequentially referring to pixel values of pixels around the reference pixel as a starting point.
摘要翻译：放射线成像设备，包括其中排列有多个像素的像素阵列和被配置为基于已经进入所述像素阵列的无线电光子来生成放射线图像的处理器，其中，所述处理器执行第一处理，从多个像素中的每一个获得信号的值作为像素值;第二处理，选择多个像素中的至少一个作为参考像素;以及第三处理，通过顺序参考参考像素周围的像素的像素值作为起点，在像素阵列中的无线电 - 光子。

5. 发明申请

WO2017073041A1 RADIATION IMAGING SYSTEM, SIGNAL PROCESSING APPARATUS, AND, RADIOGRAPHIC IMAGE SIGNAL PROCESSING METHOD 审中-公开
标题翻译：放射线成像系统，信号处理装置和放射线图像信号处理方法
公开(公告)号：WO2017073041A1
公开(公告)日：2017-05-04
申请号：PCT/JP2016/004669
申请日：2016-10-24
申请人： CANON KABUSHIKI KAISHA
发明人： IWASHITA, Atsushi , SATO, Sho , TERUI, Kosuke , ISHII, Yoshiaki
IPC分类号： G01T1/17 , A61B6/00 , G01N23/04 , G01N23/083 , G01T1/20
CPC分类号： A61B6/4241 , A61B6/4233 , G01N23/04 , G01T1/17 , G01T1/20 , G01T1/36
摘要： In order to provide a large-area radiation imaging apparatus that has an energy resolution while suppressing the occurrence of an artifact, the radiation imaging apparatus includes a detector and a signal processing unit. The detector includes a plurality of pixels for acquiring a pixel value in accordance with incident radiation. The signal processing unit performs signal processing for estimating energy of a radiation quantum of the incident radiation at a predetermined pixel included in the pixels using the amount of change in the pixel value of the predetermined pixel.
摘要翻译：为了提供在抑制伪影的发生的同时具有能量分辨率的大面积放射线成像设备，放射线成像设备包括检测器和信号处理单元。检测器包括用于根据入射辐射来获取像素值的多个像素。信号处理单元使用预定像素的像素值的变化量，执行用于估计包括在像素中的预定像素的入射辐射的辐射量子的能量的信号处理。

6. 发明申请

WO2010125871A1 IMAGING APPARATUS AND IMAGING SYSTEM, AND CONTROL METHOD AND PROGRAM FOR THE SAME 审中-公开
标题翻译：成像装置和成像系统及其控制方法和程序
公开(公告)号：WO2010125871A1
公开(公告)日：2010-11-04
申请号：PCT/JP2010/054716
申请日：2010-03-12
申请人： CANON KABUSHIKI KAISHA , KAMESHIMA, Toshio , ENDO, Tadao , AKIYAMA, Masayoshi , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho , TAMURA, Toshikazu
发明人： KAMESHIMA, Toshio , ENDO, Tadao , AKIYAMA, Masayoshi , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho , TAMURA, Toshikazu
IPC分类号： A61B6/03 , G01T1/20
CPC分类号： A61B6/032 , A61B6/4233 , A61B6/585 , G01T1/2928 , H04N5/32 , H04N5/3597 , H04N5/374
摘要： An imaging apparatus 100 includes a detector 104 having a plurality of pixels arranged in a matrix and performing an imaging operation of outputting image data according to the radiation or light emitted in a predetermined irradiation field; and a controller unit 106, and performs a first imaging operation for outputting image data according to the radiation in a narrower irradiation field A corresponding to part of pixels and a second imaging operation for outputting image data according to the radiation in a wider irradiation field B, under controlling the detector to perform an accumulation operation during the second imaging operation so that a step of image is a preliminarily set tolerable quantity.
摘要翻译：成像装置100包括具有排列成矩阵的多个像素的检测器104，并且执行根据在预定照射场中发射的辐射或光输出图像数据的成像操作; 和控制器单元106，并且执行第一成像操作，用于根据与像素的一部分相对应的较窄照射场A中的辐射输出图像数据，以及用于根据较宽辐射场B中的辐射输出图像数据的第二成像操作在控制检测器在第二次成像操作期间执行累积操作，使得图像的步骤是预先设定的可容许量。

7. 发明申请

WO2017010045A1 RADIATION IMAGING APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM 审中-公开
标题翻译：辐射成像装置，其控制方法及程序
公开(公告)号：WO2017010045A1
公开(公告)日：2017-01-19
申请号：PCT/JP2016/002934
申请日：2016-06-17
申请人： CANON KABUSHIKI KAISHA
发明人： TERUI, Kosuke , TAKEDA, Shinichi , TAKENAKA, Katsuro , SATO, Sho , IWASHITA, Atsushi , ISHII, Yoshiaki
IPC分类号： G01T1/20 , A61B6/00 , G01T1/17
CPC分类号： G01T1/2018 , A61B6/4225 , A61B6/4233 , A61B6/4241 , H04N5/32 , H04N5/363 , H04N5/374 , H04N5/378
摘要： A radiation imaging apparatus is provided. The apparatus comprises a scintillator configured to convert radiation into light, a sensor panel in which a plurality of pixels each comprising a light detector configured to detect the light is arranged in a two-dimensional array, and a processing unit. The processing unit comprises a signal generating unit configured to output signals indicating intensities of the light detected by the light detector of each of the plurality of pixels, and a detection unit configured to identify a group of pixels each of which outputs a signal of a level exceeding a reference value out of the signals and detect, based on a pattern of the group, pileup in which a plurality of radiation photons is detected as a single radiation photon.
摘要翻译：提供了一种放射线成像装置。该装置包括被配置为将辐射转换为光的闪烁体，其中每个包括被配置为检测光的光检测器的多个像素被布置在二维阵列中的传感器面板和处理单元。所述处理单元包括：信号生成单元，被配置为输出指示由所述多个像素中的每一个的所述光检测器检测到的光的强度的信号;以及检测单元，被配置为识别每个所述像素的一组像素，超过信号的参考值，并且基于组的图案检测其中多个辐射光子被检测为单个辐射光子的堆积。

8. 发明申请

WO2011052137A1 IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, METHOD FOR CONTROLLING IMAGE PICKUP APPARATUS, METHOD FOR CONTROLLING IMAGE PICKUP SYSTEM, AND PROGRAMS 审中-公开
标题翻译：图像拾取装置，图像拾取系统，用于控制图像拾取装置的方法，用于控制图像拾取系统的方法和程序
公开(公告)号：WO2011052137A1
公开(公告)日：2011-05-05
申请号：PCT/JP2010/005982
申请日：2010-10-06
申请人： CANON KABUSHIKI KAISHA , KAMESHIMA, Toshio , ENDO, Tadao , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho
发明人： KAMESHIMA, Toshio , ENDO, Tadao , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho
IPC分类号： H04N5/335 , A61B6/00 , G01T1/20 , G01T1/24 , H04N5/32
CPC分类号： G01T7/005 , A61B6/4233 , A61B6/4441 , A61B6/585 , H04N5/32 , H04N5/3742 , H04N5/37455 , H04N5/378
摘要： An image pickup apparatus includes a detector having pixels divided into first and second pixel groups, a signal processor including a reading circuit unit including first and second reading circuits, an A/D conversion unit including first and second A/D converters, a digital data processing circuit, and a controller. The controller instructs the signal processor to perform a signal processing operation several times of adding direct current potentials to analog electric signals of pixels from the reading circuit unit, supplying the signals to the A/D conversion unit, and outputting digital data to the digital data processing circuit while the direct current potentials are changed, and an average processing operation of averaging the digital data for the pixels using the digital data processing circuit.
摘要翻译：图像拾取装置包括具有分成第一和第二像素组的像素的检测器，包括具有第一和第二读取电路的读取电路单元的信号处理器，包括第一和第二A / D转换器的A / D转换单元，数字数据处理电路和控制器。控制器指示信号处理器对来自读取电路单元的像素的模拟电信号添加直流电位数次的信号处理操作，将信号提供给A / D转换单元，并将数字数据输出到数字数据处理电路，而直流电位改变，以及使用数字数据处理电路对像素的数字数据进行平均的平均处理操作。

9. 发明申请

WO2011027538A1 IMAGING APPARATUS, IMAGING SYSTEM, METHOD OF CONTROLLING THE APPARATUS AND THE SYSTEM, AND PROGRAM 审中-公开
标题翻译：成像装置，成像系统，控制装置和系统的方法及程序
公开(公告)号：WO2011027538A1
公开(公告)日：2011-03-10
申请号：PCT/JP2010/005346
申请日：2010-08-31
申请人： CANON KABUSHIKI KAISHA , KAMESHIMA, Toshio , ENDO, Tadao , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho , TAMURA, Toshikazu
发明人： KAMESHIMA, Toshio , ENDO, Tadao , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo , SATO, Sho , TAMURA, Toshikazu
IPC分类号： A61B6/00 , H04N5/32 , H04N5/335
CPC分类号： H04N5/341 , A61B6/00 , A61B6/465 , G01T1/17 , H04N5/32
摘要： An imaging apparatus includes a control unit and a detector that includes multiple pixels and that performs an image capturing operation to output image data corresponding to radiation or light that is emitted. The image capturing operation includes a first image capturing operation in a first scanning area corresponding to part of the multiple pixels to output image data in the first scanning area and a second image capturing operation in a second scanning area larger than the first scanning area to output image data in the second scanning area. The control unit causes the detector to perform an accumulation operation in the second image capturing operation in a time determined so that an image artifact caused by the scanning area is lower than a predetermined allowable value on the basis of information about the amount of integration of accumulation times in the first image capturing operation.
摘要翻译：成像装置包括控制单元和包括多个像素的检测器，并执行图像捕获操作以输出对应于所发射的辐射或光的图像数据。图像拍摄操作包括在与多个像素的一部分相对应的第一扫描区域中的第一图像拍摄操作，以在第一扫描区域中输出图像数据，以及在大于第一扫描区域的第二扫描区域中进行第二图像拍摄操作，以输出第二扫描区域中的图像数据。控制单元使得检测器在第二图像拍摄操作中执行累积操作，该时间确定为使得由扫描区域引起的图像伪影基于关于累积量的积分量的信息而低于预定的允许值次在第一次图像捕获操作。

10. 发明申请

WO2010122894A2 IMAGING APPARATUS AND IMAGING SYSTEM, METHOD THEREOF AND PROGRAM FOR THE SAME 审中-公开
标题翻译：成像装置和成像系统，其方法和程序
公开(公告)号：WO2010122894A2
公开(公告)日：2010-10-28
申请号：PCT/JP2010/056126
申请日：2010-03-30
申请人： CANON KABUSHIKI KAISHA , SATO, Sho , ENDO, Tadao , KAMESHIMA, Toshio , AKIYAMA, Masayoshi , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo
发明人： SATO, Sho , ENDO, Tadao , KAMESHIMA, Toshio , AKIYAMA, Masayoshi , YAGI, Tomoyuki , TAKENAKA, Katsuro , YOKOYAMA, Keigo
IPC分类号： G01T1/20
CPC分类号： G01T1/2928 , H04N5/32 , H04N5/343 , H04N5/3454 , H04N5/357
摘要： An imaging operation includes a first imaging operation for outputting image data according to irradiation to the detector with radiation or light in an irradiation field A corresponding to a part of the plurality of pixels, and a second imaging operation for outputting image data according to irradiation to the detector 104 with radiation or light in an irradiation field B wider than the irradiation field A, wherein, responsive to a changing from irradiation in the irradiation field A to irradiation in the irradiation field B, an operation of the detector is controlled so that the detector performs an initializing operation for initializing conversion elements during a period between the first and second imaging operations.
摘要翻译：成像操作包括：第一成像操作，用于在对应于所述多个像素的一部分的照射场A中用辐射或光照射到所述检测器，输出图像数据;以及第二成像操作，用于根据照射来输出图像数据检测器104在比照射场A宽的照射场B中具有辐射或光，其中响应于照射场A中的照射到照射场B中的照射的变化，控制检测器的操作，使得检测器在第一和第二成像操作期间执行用于初始化转换元件的初始化操作。

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