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公开(公告)号：US20140185874A1
公开(公告)日：2014-07-03
申请号：US14136426
申请日：2013-12-20
发明人： Mingliang Li , Zhiqiang Chen , Yuanjing Li , Li Zhang
IPC分类号： G06K9/00
CPC分类号： G06K9/00201 , G06K9/00771 , G06K2209/09
摘要： A three-dimensional data processing and recognizing method including scanning and re-constructing objects to be detected so as to obtain three-dimensional data for recognition of the objects to be detected; extracting data matching to features from the three-dimensional data, so that the extracted data constitutes an interested target; with respect to the data matching to features, merging and classifying adjacent data points as one group, to form an image of the merged interested target; recognizing a cross section of the interested target; cutting the interested targets by a perpendicular plane which passes through a central point of the cross section and is perpendicular to it, in order to obtain a graph; and recognizing shape of the interested targets based on a property of the graph.
摘要翻译： 一种三维数据处理和识别方法，包括扫描和重新构造待检测对象，以获得用于识别待检测对象的三维数据; 从三维数据提取与特征匹配的数据，使提取的数据构成感兴趣的目标; 对于与特征匹配的数据，将相邻数据点合并和分类为一组，以形成合并的目标的图像; 认识到有兴趣的目标的横截面; 通过穿过横截面的中心点并垂直于其的垂直平面切割感兴趣的目标，以获得图形; 并基于图的属性识别感兴趣的目标的形状。
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公开(公告)号：US20140185754A1
公开(公告)日：2014-07-03
申请号：US14134845
申请日：2013-12-19
发明人： Huaping Tang , Yuanjing Li , Ziran Zhao , Yaohong Liu , Zhanfeng Qin , Jinyu Zhang , Hu Tang
IPC分类号： G01V5/00
CPC分类号： G01V5/0016 , G01N23/046 , G01V5/005
摘要： This invention relates to an X-ray goods inspection apparatus, and in particular to a goods inspection apparatus using distributed X-ray source.
摘要翻译： 本发明涉及一种X射线物品检查装置，特别涉及一种使用分布式X射线源的货物检验装置。
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公开(公告)号：US20140010346A1
公开(公告)日：2014-01-09
申请号：US13946498
申请日：2013-07-19
发明人： Zhiqiang Chen , Li Zhang , Xuewu Wang , Haifeng Hu , Hongxin Wu , Yuanjing Li , Yinong Liu , Ziran Zhao , Yuxiang Xing , Hu Tang , Yumin Yi , Jinyu Zhang
IPC分类号： G01N23/10
CPC分类号： G01N23/10 , A61B6/027 , G01N23/046 , G01N2001/022 , G01N2223/419 , G01N2223/423 , G01N2223/637 , G01N2223/639 , G01V5/00
摘要： Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether there are drugs concealed in the inspected liquid article based on the difference between the acquired physical attributes and reference physical attributes of the inspected liquid article. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image.
摘要翻译： 公开了一种用于双能CT成像的液体物品的安全检查方法和装置。 该方法包括以下步骤：通过CT扫描获得包括待检查的液体物品的物理属性的一个或多个CT图像和双能量重建方法; 从CT图像获取每个液体物品的物理属性; 并且基于被检查的液体制品的所获取的物理属性和参考物理属性之间的差异来确定在被检查的液体制品中是否存在隐藏的药物。 CT扫描可以通过正常的CT扫描技术或螺旋CT扫描技术来实现。 在正常的CT扫描技术中，扫描位置可以由操作员预先设置，或者通过DR图像设置，或者通过DR图像的自动分析设置。
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公开(公告)号：US20130341519A1
公开(公告)日：2013-12-26
申请号：US13851989
申请日：2013-03-28
发明人： Yuanjing Li , Yigang Yang , Qinjian Zhang , Yi Liu , Yang Tai
IPC分类号： G01T3/06
CPC分类号： G01T3/06
摘要： The present invention provides a boron-containing gas film fast-neutron detector. The fast-neutron detector comprises a package piece having a hollow cavity; a plastic scintillator array provided in the cavity and comprising a plurality of plastic scintillator units, a gap existing between adjacent plastic scintillator units; and a boron-containing gas filled into and gas-tightly sealed in the hollow cavity, the boron-containing gas forming a boron-containing gas film in the gap between the adjacent plastic scintillator units. The fast-neutron detector of the present invention completely does not require use of scarce and expensive 3He gas, nor needs a complicated boron film coating process, improves credibility of signal coincidence, and is adapted for measurement of environment background neutrons and extensively adapted for detection of radioactive substance at sites such as customs ports, harbors and the like.
摘要翻译： 本发明提供一种含硼气体薄膜快中子检测器。 快中子检测器包括具有中空腔的封装件; 设置在空腔中的塑料闪烁体阵列，包括多个塑料闪烁体单元，相邻的塑料闪烁体单元之间存在间隙; 以及填充并气密地密封在中空腔中的含硼气体，所述含硼气体在相邻的塑料闪烁体单元之间的间隙中形成含硼气体膜。 本发明的快中子检测器完全不需要使用稀少且昂贵的3He气体，也不需要复杂的硼膜涂覆工艺，改善信号一致性的可信度，并适用于测量环境背景中子并广泛适用于检测 在海关，港口等场所的放射性物质。
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公开(公告)号：US11476102B2
公开(公告)日：2022-10-18
申请号：US16947998
申请日：2020-08-27
发明人： Qingjun Zhang , Zhiqiang Chen , Yuanjing Li , Jianmin Li , Yinong Liu , Yaohong Liu , Guangqin Li , Weiping Zhu , Ge Li , Qiufeng Ma , Biao Cao
IPC分类号： H01J49/00 , G01N27/622 , H01J49/04
摘要： Embodiments of the present disclosure provide a real-time calibration device, a real-time calibration method and a detection apparatus. The real-time calibration device is in fluid communication with a sample injection pipeline of the apparatus to be calibrated. The real-time calibration device is configured to release a trace amount of calibration agent molecules during a sample injection of the apparatus to be calibrated, so that the trace amount of calibration agent molecules and a sample entering the apparatus to be calibrated are mixed and together enter the apparatus to be calibrated, and information of the sample and the calibration agent is detected by the apparatus to be calibrated, thereby performing a calibration.
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公开(公告)号：US11327198B2
公开(公告)日：2022-05-10
申请号：US16234621
申请日：2018-12-28
发明人： Xiulin Ni , Jianmin Li , Haitian Tan , Yulan Li , Weifeng Yu , Yuanjing Li , Hejun Zhou , Zhiqiang Chen , Chunguang Zong , Li Zhang
IPC分类号： G01N23/046 , G01V5/00 , A61B6/03 , A61B6/00 , G01N23/18
摘要： The present disclosure relates to the technical field of CT detection, in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure includes a scanning device and an imaging device, wherein the scanning device having a radioactive source device and a detection device is configured to rotate at a nonuniform speed in at least partial process of scanning an object to be detected; and the imaging device generates a CT image based on effective detection data, wherein the effective detection data refer to data acquired each time the detection device rotates by a preset angle. In the present disclosure, the imaging device of the CT inspection system generates a CT image based on data acquired each time the detection device rotates by a preset angle, which, compared with traditional image collection solutions, can effectively reduce image deformation and improve accuracy of detection results.
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公开(公告)号：US11320407B2
公开(公告)日：2022-05-03
申请号：US16714799
申请日：2019-12-16
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Weiping Zhu , Yaohong Liu , Qiufeng Ma , Ge Li , Biao Cao , Lili Yan
摘要： The present disclosure discloses a gas chromatograph-ion mobility spectrometry combined equipment, including: a gas chromatograph device for pre-separating a to-be-detected sample to form a pre-separated sample; an ion mobility spectrometry device in fluid communication with an outlet of the gas chromatograph device for detecting the pre-separated sample; and a gas circulating device in fluid communication with a discharged gas interface of the ion mobility spectrometry device for processing a discharged gas from the ion mobility spectrometry device, wherein the gas circulating device is further in gas communication with the gas chromatograph device for conveying a part of the discharged gas to the gas chromatograph device to serve as a carrier gas, which drives the to-be-detected sample to enter the gas chromatograph device. The miniaturization and the portability of the gas chromatograph-ion mobility spectrometry combined equipment are improved.
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公开(公告)号：US20210222461A1
公开(公告)日：2021-07-22
申请号：US15733351
申请日：2020-01-13
发明人： Zhiqiang Chen , Yuanjing Li , Xianghao Wu , Shiguo Liu , Dawei Shi
摘要： The present disclosure provides an intelligent lock. In an embodiment, the intelligent lock includes: a lock body having a lock hole; a lock lever, the lock lever being capable of being plugged into and being unplugged out of the lock hole of the lock body; a first restricting member movably provided inside the lock body, and capable of being moved and latched into the lock hole to restrict the plugging of the lock lever into the lock hole or the unplugging of the lock lever out of the lock hole; a second restricting member movably provided inside the lock body, and capable of being abutted against the first restricting member so as to restrict a movement of the first restricting member; a detecting device provided in the lock body, and configured to detect the plugging operation of the lock lever into the lock hole or the unplugging operation of the lock lever out of the lock hole and to send a detection signal; and a main control element communicatively connected to the detecting device, and configured to determine a locking state of the intelligent lock in accordance with the detection signal sent by the detecting device.
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公开(公告)号：US10739491B2
公开(公告)日：2020-08-11
申请号：US16232058
申请日：2018-12-26
发明人： Yigang Yang , Dongyu Wang , Hao Yu , Quanwei Song , Jianmin Li , Weizhen Wang , Yulan Li , Chunguang Zong , Qinjian Zhang , Ming Zeng , Zhiqiang Chen , Yuanjing Li , Li Zhang
摘要： The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure disposed at a beam exit side of the radiation source and a second collimating structure disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, and the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position.
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公开(公告)号：US10535509B2
公开(公告)日：2020-01-14
申请号：US15858255
申请日：2017-12-29
发明人： Qingjun Zhang , Yuanjing Li , Ziran Zhao , Weiping Zhu , Huishao He , Xianghua Li , Qiufeng Ma
摘要： The present disclosure provides an ion migration tube and a method of operation the same. The ion migration tube includes an interior space and an ion gate disposed within the interior space, the interior space includes an ionization region having an absolute value of potential V1 and a migration region. An ion gate is disposed between the ionization region and the migration region and includes a first ion gate grid having an absolute value of potential V2 and a second ion gate grid having an absolute value of potential V3, the migration region comprises at least a first migration region electrode having an absolute value of potential V4 and a second migration region electrode having an absolute value of potential V5. When the ion gate is opened, a potential well is formed for ionized ions between the first ion gate grid and the first migration region electrode so as to compress an ion group entering the migration region.
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