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公开(公告)号：US20190122781A1
公开(公告)日：2019-04-25
申请号：US16166042
申请日：2018-10-19
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Yigang YANG , Jianmin LI , Dongyu WANG , Hao YU , Weizhen WANG , Weiqiang GUAN , Wei YIN , Wei LI , Quanwei SONG , Yulan LI , Chunguang ZONG , Yaohong LIU , Yuanjing LI , Zhiqiang CHEN , Li ZHANG
Abstract: The present disclosure discloses a photoneutron source and a neutron inspection system. The photoneutron source comprises: an electron accelerating tube for accelerating an electron beam; an X-ray converting target, and the electron beam accelerated by the electron accelerating tube bombards the X-ray converting target to generate X-rays; a photoneutron target, and the X-rays enters the photoneutron target to generates photoneutrons; and a neutron modulation housing provided outside the photoneutron target, and the neutron modulation housing comprises a neutron collimation port for outputting photoneutrons. The present disclosure may directly output a desired neutron beam from the neutron collimation port of the photoneutron source.
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公开(公告)号：US20190122777A1
公开(公告)日：2019-04-25
申请号：US16166136
申请日：2018-10-21
Applicant: Nuctech Company Limited , Tsinghua University
Inventor： Long ZHANG , Li ZHANG , Mingzhi HONG , Jinning LIANG
Abstract: The present disclosure relates to a shield cover for a radiation source machine and a security inspection apparatus. The shield cover for a radiation source machine comprises: a frame body provided with a receiving chamber for receiving the radiation source machine, an end opening and an ray exit through which rays are emitted out from the radiation source machine; an end cover disposed at the end opening of the frame body and provided with a sealed chamber communicating with the receiving chamber; and a connecting member disposed between the end cover and the frame body and provided with an opening for communicating the sealed chamber of the end cover with the receiving chamber of the frame body, and the end cover being movably connected to the frame body by the connecting member such that a distance of the end cover from the end opening of the frame body is adjustable.
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公开(公告)号：US20190033128A1
公开(公告)日：2019-01-31
申请号：US16043900
申请日：2018-07-24
Applicant: NUCTECH COMPANY LIMITED
Inventor： Jianhong ZHANG , Hongqiu WANG , Li ZHANG
CPC classification number: G01J3/0208 , G01J3/0202 , G01J3/021 , G01J3/0227 , G01J3/0229 , G01J3/10 , G01J3/44 , G01J2003/4424 , G01N21/65
Abstract: A Raman spectrum inspection apparatus is provided, including: a exciting light source configured to emit an exciting light to a sample to be inspected; an optical device configured to collect an optical signal from a position, which is irradiated by the exciting light, of the sample to be inspected; and a spectrometer configured to generate a Raman spectrum of the sample to be inspected from the received optical signal, wherein an excitation optical path in which the exciting light passes from the exciting light device to the sample to be inspected and a detection optical path in which the optical signal received by the spectrometer passes from the sample to be inspected to the spectrometer are separated from each other.
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公开(公告)号：US20180137371A1
公开(公告)日：2018-05-17
申请号：US15719309
申请日：2017-09-28
Applicant: Nuctech Company Limited
Inventor： Hu TANG , Li ZHANG , Zhiqiang CHEN , Jiamin ZHANG
IPC: G06K9/00
CPC classification number: G06K9/00771 , G06K9/00979 , G06K2209/09 , G08B13/196 , H04L67/32 , H04N7/18 , H04N21/2335
Abstract: A method, server and system for operating on security inspection data is disclosed. In one aspect, an example method performed by a server for operating on security inspection data includes receiving an operation request for target security inspection data from a client through a network. The target security inspection data is loaded from a storage server based on the operation request. Image processing on the loaded target security inspection data is performed. The processed target security inspection data or a graphic interface including the processed target security inspection data is encoded. The encoded target security inspection data or graphic interface is transmitted to the client through the network in a video stream.
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公开(公告)号：US20180081078A1
公开(公告)日：2018-03-22
申请号：US15709350
申请日：2017-09-19
Applicant: NUCTECH COMPANY LIMITED
Inventor： Chunguang ZONG , Ying LI , Hejun ZHOU , Jianmin LI , Yuanjing LI , Yulan LI , Li ZHANG , Zhiqiang CHEN
IPC: G01V5/00
CPC classification number: G01V5/0066 , G01V5/0016 , G01V5/0025
Abstract: A ray inspection system used to be mounted in a container yard to inspect an object within a container is provided. The ray inspection system includes: a ray generator device configured to emit a ray, a ray receiving device configured to receive the ray, and at least one chamber for receiving the ray generator device and the ray receiving device therein. Each of the at least one chamber is configured to be a standard container or a chamber which has a same shape, a same size and a same structure as a standard container such that the ray inspection system is adapted to be stacked in the container yard.
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Patent Agency Ranking
公开(公告)号：US20170176353A1
公开(公告)日：2017-06-22
申请号：US15263207
申请日：2016-09-12
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Li ZHANG , Tianyi YANG DAI , Qingping HUANG , Yunda SUN , Xin JIN
IPC: G01N23/04 , G01N23/207 , G21K1/02 , G01N23/083
CPC classification number: G01N23/046 , G01N23/083 , G01N23/20083 , G01N23/207 , G01N2223/056 , G01N2223/316 , G01N2223/419 , G01N2223/643 , G01V5/005 , G21K1/02
Abstract: The present disclosure relates to multi-modality detection systems and methods. One illustrative multi-modality detection system may include a distributed radiation source configured to irradiate an object under detection, a primary collimator configured to separate rays of the distributed radiation source into two parts, wherein one part is for CT detection and the other part is for XRD detection, a CT detection device configured to perform a CT detection to acquire a CT image of the object under detection, and an XRD detection device configured to perform an XRD detection to acquire an XRD image of the object under detection, wherein the CT detection and the XRD detection are performed simultaneously.
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公开(公告)号：US20170140526A1
公开(公告)日：2017-05-18
申请号：US15279664
申请日：2016-09-29
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Li ZHANG , Ziran ZHAO , Yaohong LIU , Cun CHENG , Qiang LI , Jianping GU , Jian ZHANG , Gang FU
CPC classification number: G06T7/0008 , G06K9/00771 , G06K9/18 , G06K9/3233 , G06K9/4604 , G06K9/4671 , G06K9/6215 , G06K2209/09 , G06Q30/018 , G06T7/11 , G06T7/136 , G06T2207/10116
Abstract: The present disclosure provides a method and a system for inspecting goods. The method includes the steps of: obtaining a transmission image and a HSCODE of inspected goods; processing the transmission image to obtain a region of interest; retrieving from a model library a model created based on the HSCODE, in accordance with the HSCODE of the inspected goods; and determining whether there are any goods not registered in a customs declaration that are contained in the region of interest based on the model. With the above solution, it is possible to inspect goods in a container efficiently, so as to find out whether there are goods not indicated in the customs declaration that are concealed in the container.
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公开(公告)号：US20160189360A1
公开(公告)日：2016-06-30
申请号：US14700249
申请日：2015-04-30
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Kejun KANG , Zhiqiang CHEN , Li ZHANG , Ziran ZHAO , Yaohong LIU , Jian ZHANG , Jianping GU , Qiang LI , Duokun ZHANG
CPC classification number: G06T7/0004 , G01N23/04 , G01V5/0016 , G06K9/4604 , G06K9/4642 , G06K9/52 , G06K9/6215 , G06K9/6256 , G06K2009/4666
Abstract: The present disclosure discloses a method and system for inspecting cargoes. The method comprises: acquiring a transmission image of the inspected cargoes; processing the transmission image to acquire an interested region; extracting features from the interested region, and determining cargo information of the inspected cargoes according to the extracted features; and providing a proposed treatment suggestion of the cargoes based on the determined cargo information and at least a part of information in a manifest. The above solution can facilitate an image judgment person to accurately judge whether the concerned cargoes are allowed to pass.
Abstract translation: 本公开公开了一种用于检查货物的方法和系统。 该方法包括：获取被检货物的透射图像; 处理所述传输图像以获取感兴趣的区域; 从感兴趣区域提取特征，并根据提取的特征确定被检货物的货物信息; 并根据确定的货物信息和清单中的至少一部分信息提供货物的拟议处理建议。 上述解决方案可以方便图像判断人员准确判断有关货物是否允许通过。
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公开(公告)号：US20160012647A1
公开(公告)日：2016-01-14
申请号：US14748383
申请日：2015-06-24
Applicant: Nuctech Company Limited
Inventor： Zhiqiang CHEN , Li ZHANG , Shuo WANG , Yunda SUN , Qingping HUANG , Zhi TANG
IPC: G06T19/20 , G06T15/00 , G06T15/20 , G06T11/20 , G06T7/60 , G06T7/00 , G06K9/62 , G06K9/46 , G06K9/52
CPC classification number: G06T11/20 , G01V5/0008 , G01V5/005 , G06K9/46 , G06K9/52 , G06K9/6218 , G06K2009/4666 , G06T7/50 , G06T7/60 , G06T7/75 , G06T15/005 , G06T15/20 , G06T19/20
Abstract: A CT system for security check and a method thereof are provided. The method includes: reading inspection data of an inspected object; inserting at least one three-dimensional (3D) Fictional Threat Image (FTI) into a 3D inspection image of the inspected object, which is obtained from the inspection data; receiving a selection of at least one region in the 3D inspection image including the 3D FTI or at least one region in a two-dimensional (2D) inspection image including a 2D FTI corresponding to the 3D FTI, wherein the 2D inspection image is obtained from the 3D inspection image or is obtained from the inspection data; and providing a feedback of the 3D inspection image including at least one 3D FTI in response to the selection. With the above solution, it is convenient for a user to rapidly mark a suspected object in the CT image, and provides a feedback of whether a FTI is included.
Abstract translation: 提供了一种用于安全检查的CT系统及其方法。 该方法包括：读取检查对象的检查数据; 将至少一个三维（3D）虚构威胁图像（FTI）插入到从检查数据获得的被检查对象的3D检查图像中; 在包括3D FTI的3D检查图像中的至少一个区域的选择或者包括对应于3D FTI的2D FTI的二维（2D）检查图像中的至少一个区域，其中2D检查图像从 3D检查图像或从检查数据获得; 以及响应于所述选择提供包括至少一个3D FTI的3D检查图像的反馈。 利用上述解决方案，用户可以快速地标记CT图像中的可疑对象，并提供是否包括FTI的反馈。
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公开(公告)号：US20150379745A1
公开(公告)日：2015-12-31
申请号：US14751044
申请日：2015-06-25
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Li ZHANG , Xin JIN , Qingping HUANG , Yunda SUN
CPC classification number: G06T11/003 , A61B6/032 , A61B6/5205 , A61B6/583 , G01N23/046 , G01V5/0041 , G01V5/005 , G06T2207/10081
Abstract: The present invention provides a CT image calibration method and device and a CT system. The method includes: arranging a fixed calibration element at the outside of a channel area and within the maximal reconstruction area of a CT scanning device, and storing the theoretical value of the fixed calibration element; collecting the projection data of the fixed calibration element to obtain the actual reconstructed image of the fixed calibration element; and comparing the actual reconstructed image with the stored corresponding theoretical value, to establish a mapping function for correcting the actual reconstructed image into the theoretical value. By adopting the present invention, the calibration quality can be effectively improved, the image calibration effect is enhanced, the reliability of the CT scanning device is improved and the maintenance cost is saved, thus the practical application value is very high.
Abstract translation: 本发明提供一种CT图像校准方法和装置以及CT系统。 该方法包括：在CT扫描装置的通道区域的外侧和最大重建区域内设置固定校准元件，并存储固定校准元件的理论值; 收集固定校准元件的投影数据，以获得固定校准元件的实际重建图像; 并将实际重构图像与存储的对应理论值进行比较，以建立用于将实际重建图像校正为理论值的映射函数。 通过采用本发明，可以有效地提高校准质量，提高图像校正效果，提高CT扫描装置的可靠性，节省维护成本，实际应用价值非常高。
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