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公开(公告)号：US20060289769A1
公开(公告)日：2006-12-28
申请号：US11449621
申请日：2006-06-09
IPC分类号： G01T1/20
CPC分类号： G01T1/24
摘要： As to an electromagnetic radiation detecting apparatus, a radiation detecting apparatus, a radiation detecting system and a laser processing method, a TFT is disposed on an insulating substrate. A conversion element converting electromagnetic radiation into an electric signal is disposed over the TFT. A member for marking the position of the switching element is disposed on the conversion element. The position of a switching element having a defect can be located by means of the member on the conversion element. By radiating laser light to be focused on the member, it becomes possible to perform repair accurately.
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公开(公告)号：US20050220269A1
公开(公告)日：2005-10-06
申请号：US11094134
申请日：2005-03-31
申请人： Tadao Endo , Toshio Kameshima , Tomoyuki Yagi , Katsuro Takenaka
发明人： Tadao Endo , Toshio Kameshima , Tomoyuki Yagi , Katsuro Takenaka
CPC分类号： A61B6/4233 , A61B6/00 , A61B6/467
摘要： A lamp emits pulse-shaped visible light when a wait period begins. If a radiation emission switch is not pressed in the wait period, X-ray radiation is not emitted from an X-ray source, and no charges are accumulated in photoelectric conversion elements of an X-ray imaging apparatus. In a non-read period, although signals are sequentially read from the photoelectric conversion elements, an output signal does not change. When the radiation emission switch is pressed in synchronization with a radiation-induced signal in a certain wait period, the X-ray source emits X-rays. After irradiation of X-rays, a photoelectric conversion period transitions to an actual read period. In the photoelectric conversion period, X-rays are emitted and transmitted X-ray information of a patient are accumulated in the photoelectric conversion elements of the X-ray imaging apparatus. In the actual read period, the accumulated information is read.
摘要翻译： 当等待期开始时，灯发出脉冲形可见光。 如果在等待期间没有按下辐射发射开关，则不会从X射线源发射X射线，并且在X射线摄像装置的光电转换元件中不会积累电荷。 在非读取期间，尽管从光电转换元件依次读取信号，但输出信号不变。 当辐射发射开关在一定等待期间与辐射感应信号同步地按压时，X射线源发射X射线。 在X射线照射之后，光电转换周期转变到实际的读取周期。 在光电转换期间，X射线成像装置的光电转换元件中发射X射线并传送患者的X射线信息。 在实际读取期间，读取累积的信息。
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103.发明申请公开(公告)号：US20050109927A1
公开(公告)日：2005-05-26
申请号：US10991436
申请日：2004-11-19
申请人： Katsuro Takenaka , Tadao Endo , Toshio Kameshima , Tomoyuki Yagi
发明人： Katsuro Takenaka , Tadao Endo , Toshio Kameshima , Tomoyuki Yagi
CPC分类号： G01T1/2928 , A61B6/5258 , A61B6/583
摘要： A plurality of correction images are obtained while changing the radiation energy of an incident radiation in the absence of an object. Subsequently, an object image is obtained in the presence of the object by emitting the radiation to the object. Then, the object image is corrected by using a correction image obtained under a radiation energy condition closest to the radiation energy of the obtained object image.
摘要翻译： 在不存在物体的同时改变入射辐射的辐射能量的同时获得多个校正图像。 随后，通过向对象发射辐射来在对象的存在下获得对象图像。 然后，通过使用在最接近所获得的对象图像的辐射能量的辐射能量条件下获得的校正图像来校正对象图像。
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104.发明授权公开(公告)号：US08829438B2
公开(公告)日：2014-09-09
申请号：US13201119
申请日：2010-03-30
申请人： Sho Sato , Tadao Endo , Toshio Kameshima , Masayoshi Akiyama , Tomoyuki Yagi , Katsuro Takenaka , Keigo Yokoyama
发明人： Sho Sato , Tadao Endo , Toshio Kameshima , Masayoshi Akiyama , Tomoyuki Yagi , Katsuro Takenaka , Keigo Yokoyama
IPC分类号： G01J1/00
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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105.发明授权Imaging apparatus, radiation imaging system, controlling method of imaging apparatus, and recording medium recording control program of imaging apparatus 有权成像装置，放射线成像系统，成像装置的控制方法和成像装置的记录介质记录控制程序公开(公告)号：US08809795B2
公开(公告)日：2014-08-19
申请号：US12422474
申请日：2009-04-13
CPC分类号： G01T1/2928
摘要： An imaging apparatus includes a transmitting path to transmit the output electric signal, and a read-out circuit performing a sampling and holding operation for holding the electric signal read out through the transmitting path, and performing a reset operation to reset the transmitting path, and includes a control unit for controlling an outputting drive circuit and a read-out circuit so as to perform the sampling and holding operation row by row after a start of the output operation, to perform the reset operation after the sampling and holding operation, and to terminate the output operation after the reset operation. This can reduce the frame time without reducing the S/N ratio of the image signal.
摘要翻译： 一种成像装置包括发送输出电信号的发送路径和执行采样保持操作的读出电路，用于保持通过发送路径读出的电信号，并且执行复位操作以复位发送路径，以及 包括用于控制输出驱动电路和读出电路的控制单元，以便在开始输出操作之后逐行地执行采样和保持操作，以在采样和保持操作之后执行复位操作，并且 在复位操作后终止输出操作。 这可以减少帧时间而不降低图像信号的S / N比。
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106.发明授权公开(公告)号：US08792022B2
公开(公告)日：2014-07-29
申请号：US13423017
申请日：2012-03-16
CPC分类号： H04N5/32 , H04N5/3597 , H04N5/361
摘要： In an image pickup apparatus, a calculation unit calculates an amount of noise and an amount of afterimage that can be included in an electric signal or image data in an image pickup operation, based on output characteristic information indicating a manner in which the amount of noise and the amount of after image change as a function of an elapsed time since a voltage is applied to a detection unit, a temperature of the detection unit detected by a temperature detection unit, the voltage supplied to the conversion elements from a power supply unit, and an image pickup operation start time indicating a time elapsed since the supplying of the voltage to the detection unit is started until the image pickup operation is started to output the electric signal corresponding to an electric charge generated by the conversion element in the detection unit.
摘要翻译： 在图像拾取装置中，计算单元基于表示噪声量的方式的输出特性信息来计算可以包括在摄像操作中的电信号或图像数据中的噪点量和余像量 以及作为从电压施加到检测单元之后的经过时间的函数的后图像变化量，由温度检测单元检测的检测单元的温度，从电源单元提供给转换元件的电压， 并且开始指示从向检测单元提供电压以来经过的时间的图像拾取操作开始时间，直到开始图像拾取操作，以输出与由检测单元中的转换元件产生的电荷相对应的电信号。
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107.发明授权Radiation imaging apparatus, its control method, and radiation imaging system 有权辐射成像设备，其控制方法和放射成像系统公开(公告)号：US08247779B2
公开(公告)日：2012-08-21
申请号：US12490926
申请日：2009-06-24
IPC分类号： G01T1/24
CPC分类号： A61B6/4233 , A61B6/4441 , H01L27/14665 , H04N5/325
摘要： A radiation imaging apparatus having high frame rate and picture quality by offset correction has: a sensor array having matrix-shaped pixels each including a converting element and a TFT; a driver for supplying signals to control terminals of the TFTs row by row; a reader for holding a signal in a first or second sampling/holding (S/H) circuit and outputting an image signal; and a controller for controlling the driver and reader. Until the image signal is output after irradiation of the apparatus with pulsating radiation, the TFT of a pixel is driven so as to output a first signal, the TFT of the pixel to which the first signal has been output is driven so as to output a second electric signal, and the reader outputs the image signal of the signal showing a difference between the first and second signals held in the first and second S/H circuits.
摘要翻译： 通过偏移校正具有高帧率和图像质量的放射线成像装置具有：具有矩阵形像素的传感器阵列，每个像素像素包括转换元件和TFT; 用于逐行地向TFT的控制端子提供信号的驱动器; 用于在第一或第二采样/保持（S / H）电路中保持信号并输出图像信号的读取器; 以及用于控制驾驶员和读取器的控制器。 直到图像信号在用脉动辐射照射设备之后输出时，像素的TFT被驱动以输出第一信号，驱动第一信号的像素的TFT被驱动以输出 第二电信号，并且读取器输出表示第一和第二S / H电路中保持的第一和第二信号之间的差的信号的图像信号。
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108.发明授权Imaging apparatus, imaging system, its controlling method, and storage medium storing its program 有权成像设备，成像系统，其控制方法和存储其程序的存储介质公开(公告)号：US08232529B2
公开(公告)日：2012-07-31
申请号：US13018576
申请日：2011-02-01
摘要： An idling time period after applying a bias to a conversion element until a start of an accumulation of the conversion element for deriving an image and an accumulation period from the start of the accumulation to a termination of the accumulation are measured. An offset correction of the image is conducted by using a dark current accumulation charge quantity in the accumulation calculated based on the measured idling time period and accumulation period and stored dark current response characteristics. Thus, even just after applying the bias to the conversion element, the offset correction can be properly conducted. An imaging apparatus which can execute a good radiographing without increasing costs and a size even just after applying the bias to the conversion element is provided.
摘要翻译： 测量向转换元件施加偏压直到用于导出图像的转换元件的累积开始和从累积开始到累积结束的累积期间之间的空转时间周期。 通过使用基于测量的空闲时间周期和累加时间计算的累积中的暗电流累积电荷量和存储的暗电流响应特性来进行图像的偏移校正。 因此，即使在将偏置应用于转换元件之后，也可以适当地进行偏移校正。 提供了即使在将偏压应用于转换元件之后，也可以在不增加成本和尺寸的情况下执行良好的放射照相的成像装置。
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109.发明申请IMAGING APPARATUS, IMAGING SYSTEM, METHOD OF CONTROLLING THE APPARATUS AND THE SYSTEM, AND PROGRAM 有权成像装置，成像系统，控制装置和系统的方法及程序公开(公告)号：US20120170827A1
公开(公告)日：2012-07-05
申请号：US13395634
申请日：2010-09-14
申请人： Tomoyuki Yagi , Tadao Endo , Toshio Kameshima , Katsuro Takenaka , Keigo Yokoyama , Sho Sato
发明人： Tomoyuki Yagi , Tadao Endo , Toshio Kameshima , Katsuro Takenaka , Keigo Yokoyama , Sho Sato
IPC分类号： G06K9/00
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。
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110.发明授权Radiation imaging apparatus and method of driving the same, and radiation imaging system 有权辐射成像装置及其驱动方法及放射成像系统公开(公告)号：US08107588B2
公开(公告)日：2012-01-31
申请号：US12525125
申请日：2008-01-29
CPC分类号： H05G1/30 , G01T1/00 , H01L27/14676 , H04N5/232 , H04N5/32 , H04N5/3742 , H04N5/378
摘要： There is provided a radiation imaging apparatus delivering an output image with a satisfactory image quality irrespective of the dosage of the X-rays incident on the detector. The radiation imaging apparatus according to the present invention includes a detection unit for detecting as an image signal an X-ray irradiated from the an X-ray generation apparatus and penetrating through an object; a read out unit for amplifying and reading out the image signal detected by the detection unit; and a control unit for controlling at least one of the X-ray generation apparatus, the detection unit and the read out unit such that the obtained SN ratio of the image signal according to the dosage of the X-rays incident on the detector can be equal to the S/N ratio required for the image signal.
摘要翻译： 提供了一种放射成像装置，其输出具有令人满意的图像质量的输出图像，而与入射到检测器上的X射线的剂量无关。 根据本发明的放射线摄像装置包括检测单元，用于检测从X射线产生装置照射并穿透物体的X射线作为图像信号; 读出单元，用于放大和读出由检测单元检测到的图像信号; 以及控制单元，用于控制X射线产生装置，检测单元和读出单元中的至少一个，使得根据入射在检测器上的X射线的剂量，获得的图像信号的SN比可以是 等于图像信号所需的S / N比。
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