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1. 发明申请

US20130216018A1 X-RAY CT APPARATUS AND DATA TRANSMISSION METHOD OF X-RAY CT APPARATUS 有权
标题翻译： X射线CT设备的X射线CT设备和数据传输方法
公开(公告)号：US20130216018A1
公开(公告)日：2013-08-22
申请号：US13855327
申请日：2013-04-02
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Hiroaki Nakai , Tooru Kato , Kanta Kobuchi
IPC分类号： A61B6/03 , G06T7/00
CPC分类号： A61B6/032 , A61B6/4078 , A61B6/4233 , G06F19/00 , G06T7/0012 , G16H40/63
摘要： According to one embodiment, an X-ray CT apparatus includes a data acquiring unit, a data processing unit and a data transmitting unit. The data acquiring unit is configured to expose an X-ray to an object, acquire detection data of the X-ray having transmitted the object and compress the detection data to generate compressed data. The data processing unit is configured to generate X-ray CT image data of the object based on the compressed data transmitted from the data acquiring unit through a transmission line. The data transmitting unit is configured to transmit uncompressed detection data of an X-ray to the data processing unit through the transmission line according to information from an input device.
摘要翻译：根据一个实施例，X射线CT装置包括数据获取单元，数据处理单元和数据发送单元。数据获取单元被配置为将X射线暴露于对象，获取已发送对象的X射线的检测数据，并压缩检测数据以生成压缩数据。数据处理单元被配置为基于从数据获取单元通过传输线发送的压缩数据生成对象的X射线CT图像数据。数据发送单元被配置为根据来自输入设备的信息通过传输线路将未压缩的X射线检测数据发送到数据处理单元。

2. 发明申请

US20160029985A1 X-RAY COMPUTED TOMOGRAPHY APPARATUS 审中-公开
标题翻译： X射线计算机图像设备
公开(公告)号：US20160029985A1
公开(公告)日：2016-02-04
申请号：US14884119
申请日：2015-10-15
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Tooru KATO , Hiroaki Nakai , Mikihito Hayashi
IPC分类号： A61B6/00 , A61B6/03
CPC分类号： A61B6/4488 , A61B6/032 , A61B6/035 , A61B6/4233 , A61B6/4241 , A61B6/5205 , A61B6/586
摘要： To solve the problems described above, an X-ray computed tomography apparatus includes an X-ray tube, a scintillator, a photoelectric convertor, a thermal storage material, a rotating portion, a rotating mechanism, and image generating circuitry. The X-ray tube generates an X-ray. The scintillator converts the X-ray generated by the X-ray tube into light. The photoelectric convertor generates an electric signal based on the light obtained by conversion by the scintillator. The thermal storage material is attached to the photoelectric convertor, and absorbs heat. To the rotating portion, the X-ray tube, the scintillator, the photoelectric convertor, and the thermal storage material are attached. The rotating mechanism rotates the rotating portion around a subject. The image generating circuitry generates an image based on the electric signal generated by the photoelectric convertor.
摘要翻译：为了解决上述问题，X射线计算机断层摄影装置包括X射线管，闪烁体，光电转换器，储热材料，旋转部分，旋转机构和图像产生电路。 X射线管产生X射线。闪烁体将由X射线管产生的X射线转换为光。光电转换器基于通过闪烁体的转换而获得的光产生电信号。储热材料附着在光电转换器上，吸收热量。在旋转部分安装有X射线管，闪烁体，光电转换器和蓄热材料。旋转机构围绕被摄体旋转旋转部分。图像产生电路基于由光电转换器产生的电信号产生图像。

3. 发明申请

US20150348289A1 IMAGE PROCESSING DEVICE, RADIATION DETECTING DEVICE, AND IMAGE PROCESSING METHOD 审中-公开
标题翻译：图像处理装置，辐射检测装置和图像处理方法
公开(公告)号：US20150348289A1
公开(公告)日：2015-12-03
申请号：US14728042
申请日：2015-06-02
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Takashi IDA , Toshiyuki Ono , Shuhei Nitta , Taichiro Shiodera , Hidenori Takeshima , Tomoyuki TAKEGUCHI , Hiroaki Nakai
IPC分类号： G06T11/00
CPC分类号： G06T11/005 , A61B6/032 , A61B6/481 , A61B6/482 , A61B6/5258
摘要： According to an embodiment, a device includes first and second generators, a detector, and a corrector. The first generator is configured to generate a first image based on data corresponding to photons with a first energy from among data that is obtained based on an energy of radiation that has passed through a subject. The second generator is configured to generate a second image based on data corresponding to photons with a second energy. The detector is configured to detect, in the second image, a second block having a similar pattern of pixel values to a first block included in the second image. The corrector is configured to correct pixel values of a third block in the first image corresponding to the first block based on new pixel values of the third block that are calculated by using pixel values included in a fourth block in the first image.
摘要翻译：根据实施例，装置包括第一和第二发生器，检测器和校正器。第一生成器被配置为基于从基于已经通过对象的辐射能量获得的数据中的具有第一能量的对应于光子的数据生成第一图像。第二发生器被配置为基于与具有第二能量的光子对应的数据来生成第二图像。检测器被配置为在第二图像中检测具有与第二图像中包括的第一块相似的像素值图案的第二块。校正器被配置为基于通过使用包括在第一图像中的第四块中的像素值计算的第三块的新像素值来校正对应于第一块的第一图像中的第三块的像素值。

4. 发明申请

US20160242720A1 X-RAY CT APPARATUS AND IMAGE PROCESSING DEVICE 有权
标题翻译： X射线CT装置和图像处理装置
公开(公告)号：US20160242720A1
公开(公告)日：2016-08-25
申请号：US15045968
申请日：2016-02-17
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Takashi IDA , Toshiyuki Ono , Shuhei Nitta , Hiroaki Nakai
IPC分类号： A61B6/00 , G06T7/00 , G06K9/62 , G06T15/08 , A61B6/03 , G06T11/00
CPC分类号： A61B6/5205 , A61B6/032 , A61B6/405 , A61B6/4241 , A61B6/482 , G06T11/003 , G06T11/006 , G06T2211/408
摘要： According to an embodiment, an X-ray computed tomography (CT) apparatus includes processing circuitry. The processing circuitry is configured to acquire projection data that is based on a spectrum representing an amount of X-rays with respect to energy of a radiation having passed through a subject; select a plurality of materials; generate, from the projection data, first density images for each of the selected materials; generate a monochromatic image of specific energy from the first density images; reconstruct the projection data corresponding to the specific energy to generate a reconstructed image; compare the monochromatic image and the reconstructed image; and provide a notification indicating a result of the comparison.
摘要翻译：根据实施例，X射线计算机断层摄影（CT）装置包括处理电路。处理电路被配置为获取基于表示相对于穿过被摄体的辐射的能量的X射线量的光谱的投影数据; 选择多种材料; 从投影数据生成每个所选材料的第一密度图像; 从第一密度图像生成特定能量的单色图像; 重建与特定能量相对应的投影数据以产生重建图像; 比较单色图像和重建图像; 并提供指示比较结果的通知。

5. 发明申请

US20150198725A1 PHOTON-COUNTING TYPE X-RAY COMPUTED TOMOGRAPHY APPARATUS AND METHOD 有权
标题翻译：光子计数型X射线计算机图像设备和方法
公开(公告)号：US20150198725A1
公开(公告)日：2015-07-16
申请号：US14596457
申请日：2015-01-14
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Emi TAMURA , Yasuo Saito , Takuzo Takayama , Hiroaki Miyazaki , Hiroaki Nakai
IPC分类号： G01T1/24 , G01N23/04
CPC分类号： G01N23/046 , A61B6/032 , A61B6/4241 , A61B6/482 , G01T1/17 , G01T1/2985
摘要： A photon-counting type X-ray computed tomography apparatus that comprises a high-voltage generator to generate a voltage signal, an X-ray tube to emit X-rays when the X-ray tube receives the voltage signal from the high-voltage generator, an X-ray detector to detect photons derived from the X-rays emitted from the X-ray tube, and circuitry to count a number of the detected photons with respect to a plurality of energy bands, detect a number of photons in a first energy band that exceeds an energy level corresponding to a voltage value of the voltage signal, and changing a number of photons at a second energy band based on the detected number of photons in the first energy band, to correct for operational limitations of the X-ray detector.
摘要翻译：一种光子计数型X射线计算机断层摄影装置，其包括产生电压信号的高压发生器，当X射线管从高压发生器接收到电压信号时，X射线管发射X射线，用于检测从X射线管发射的X射线衍生的光子的X射线检测器和相对于多个能带对多个检测到的光子进行计数的电路，检测第一能量带，其超过与电压信号的电压值相对应的能级，并且基于检测到的第一能带中的光子数量改变第二能带上的光子数量，以校正X射线的操作限制，射线探测器。

6. 发明申请

US20150374313A1 MEDICAL IMAGE PROCESSING APPARATUS AND X-RAY CT APPARATUS 有权
标题翻译：医学图像处理装置和X射线CT装置
公开(公告)号：US20150374313A1
公开(公告)日：2015-12-31
申请号：US14754969
申请日：2015-06-30
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Nakaba KOGURE , Tomoya Kodama , Shinichiro Koto , Wataru Asano , Hiroaki Nakai
IPC分类号： A61B6/03 , G06T11/00 , G06T5/00 , A61B6/00 , G06T5/50
CPC分类号： A61B6/032 , A61B6/5205 , G06T5/002 , G06T5/50 , G06T9/00 , G06T2207/10081 , G06T2207/20182 , G06T2207/30004 , G06T2207/30196 , G06T2211/436 , H04N19/12 , H04N19/124 , H04N19/15 , H04N19/17 , H04N19/436 , H04N19/593 , H04N19/63
摘要： A medical image processing apparatus according to an embodiment includes compressing circuitry. The compressing circuitry is configured to compress, for each of a first data group and a second data group both of which being included in data pertaining to a medical image, each of the first data group and the second data group separately, starting from data corresponding to a boundary between the first data group and the second data group and shifting sequentially to a direction away from the boundary.
摘要翻译：根据实施例的医学图像处理装置包括压缩电路。压缩电路被配置为针对第一数据组和第二数据组中的每一个压缩，所述第一数据组和第二数据组都包含在与医学图像有关的数据中，分别从第一数据组和第二数据组中的每一个开始，到第一数据组和第二数据组之间的边界并且顺序地移动到远离边界的方向。

7. 发明申请

US20150305697A1 X-RAY COMPUTED TOMOGRAPHY APPARATUS AND PHOTON COUNTING CT APPARATUS 审中-公开
标题翻译： X射线计算机图像设备和光电计数CT设备
公开(公告)号：US20150305697A1
公开(公告)日：2015-10-29
申请号：US14740692
申请日：2015-06-16
申请人： KABUSHIKI KAISHA TOSHIBA , Toshiba Medical Systems Corporation
发明人： Emi Tamura , Yasuo Saito , Takuzo Takayama , Hiroaki Miyazaki , Hiroaki Nakai
IPC分类号： A61B6/00 , A61B6/06 , H05G1/10 , A61B6/03
CPC分类号： A61B6/4007 , A61B6/032 , A61B6/035 , A61B6/06 , A61B6/4014 , A61B6/4035 , A61B6/4241 , A61B6/44 , A61B6/5205 , H05G1/10
摘要： A gantry includes an X-ray source ring and a detector ring. The X-ray source ring includes a plurality of X-ray sources arrayed circumferentially. The detector ring is provided next to the X-ray source ring and includes a plurality of X-ray detectors arrayed circumferentially. Each of the plurality of X-ray detectors detects X-rays from the X-ray source ring. At least one wedge filter is provided on the inner circumferential side of the X-ray source ring. A filter support member supports at least one wedge filter rotatable about the rotation axis. A filter driver drives the filter support member. An imaging controller controls the filter driver to rotate at least one wedge filter about the rotation axis in synchronism with generation of X-rays from the X-ray source ring.
摘要翻译：龙门架包括一个X射线源环和一个探测环。 X射线源环包括沿圆周排列的多个X射线源。检测器环设置在X射线源环旁边，并且包括沿圆周排列的多个X射线检测器。多个X射线检测器中的每一个检测X射线源环的X射线。在X射线源环的内周侧设有至少一个楔形过滤器。过滤器支撑构件支撑可围绕旋转轴线旋转的至少一个楔形过滤器。过滤器驱动器驱动过滤器支撑构件。成像控制器控制过滤器驱动器与来自X射线源环的X射线的产生同步地围绕旋转轴旋转至少一个楔形滤波器。

8. 发明授权

US09149240B2 X-ray CT apparatus and data transmission method of X-ray CT apparatus 有权
标题翻译： X射线CT装置X射线CT装置及数据传输方法
公开(公告)号：US09149240B2
公开(公告)日：2015-10-06
申请号：US13855327
申请日：2013-04-02
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Hiroaki Nakai , Tooru Kato , Kanta Kobuchi
IPC分类号： A61B6/03 , A61B6/00 , G06T7/00 , G06F19/00
CPC分类号： A61B6/032 , A61B6/4078 , A61B6/4233 , G06F19/00 , G06T7/0012 , G16H40/63
摘要： According to one embodiment, an X-ray CT apparatus includes a data acquiring unit, a data processing unit and a data transmitting unit. The data acquiring unit is configured to expose an X-ray to an object, acquire detection data of the X-ray having transmitted the object and compress the detection data to generate compressed data. The data processing unit is configured to generate X-ray CT image data of the object based on the compressed data transmitted from the data acquiring unit through a transmission line. The data transmitting unit is configured to transmit uncompressed detection data of an X-ray to the data processing unit through the transmission line according to information from an input device.
摘要翻译：根据一个实施例，X射线CT装置包括数据获取单元，数据处理单元和数据发送单元。数据获取单元被配置为将X射线暴露于对象，获取已发送对象的X射线的检测数据，并压缩检测数据以生成压缩数据。数据处理单元被配置为基于从数据获取单元通过传输线发送的压缩数据生成对象的X射线CT图像数据。数据发送单元被配置为根据来自输入设备的信息通过传输线路将未压缩的X射线检测数据发送到数据处理单元。

9. 发明申请

US20140211909A1 PHOTON COUNTING TYPE X-RAY COMPUTED TOMOGRAPHY APPARATUS AND DATA TRANSFER METHOD FOR THE SAME 有权
标题翻译：光子计数类型X射线计算机图像设备及其数据传输方法
公开(公告)号：US20140211909A1
公开(公告)日：2014-07-31
申请号：US14243393
申请日：2014-04-02
申请人： TOSHIBA MEDICAL SYSTEMS CORPORATION , KABUSHIKI KAISHA TOSHIBA
发明人： Takayuki YAMAZAKI , Tomonori Ozaki , Jun Moteki , Makoto Ishizaki , Hiroaki Nakai
IPC分类号： A61B6/03 , G01N23/04
CPC分类号： A61B6/032 , A61B6/4241 , A61B6/482 , A61B6/5205 , G01N23/046
摘要： A photon counting type X-ray computed tomography apparatus includes an X-ray tube, a detector, a raw data generating section, an information compression section, and a data transmission section. The X-ray tube is configured to irradiate an X-ray. The detector is configured to count photons derived from the irradiated X-ray. The raw data generating section is configured to collect results of counting performed by the detector and to generate, from the results of counting, raw data for each of a plurality of energy bands. The information compression section is configured to compare values of the raw data between the raw data generated respectively for the energy bands, and to perform information compression of each of the raw data. The data transmission section is configured to transmit the raw data compressed by the information compression.
摘要翻译：光子计数型X射线计算机断层摄影装置包括X射线管，检测器，原始数据生成部，信息压缩部和数据发送部。 X射线管被配置为照射X射线。检测器被配置为对来自照射的X射线的光子进行计数。原始数据生成部被配置为收集由检测器执行的计数结果，并且从计数结果生成多个能带中的每一个的原始数据。信息压缩部分被配置为比较分别为能带生成的原始数据之间的原始数据的值，并且对每个原始数据执行信息压缩。数据发送部被配置为发送通过信息压缩压缩的原始数据。

10. 发明授权

US10743834B2 X-ray image diagnostic apparatus and method 有权
公开(公告)号：US10743834B2
公开(公告)日：2020-08-18
申请号：US15723824
申请日：2017-10-03
申请人： Toshiba Medical Systems Corporation
发明人： Tooru Kato , Hiroaki Nakai
IPC分类号： A61B6/00 , G21K1/10 , A61B6/03
摘要： An X-ray image diagnostic apparatus according to an embodiment includes a photon counting X-ray detector, calibration circuitry, and image generating circuitry. The photon counting X-ray detector includes a plurality of detection elements each of which is configured to detect X-rays and output a detection signal. The calibration circuitry calibrates a detection signal of each of the detection elements using a correction value calculated from a plurality of signals output from the detection elements and corresponding to a plurality of X-ray application conditions relating to continuous X-rays. The image generating circuitry generates an image using the calibrated detection signals of the detection elements.

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