公开(公告)号：US09552521B2

公开(公告)日：2017-01-24

申请号：US14337190

申请日：2014-07-21

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Yinong Liu ,  Wenguo Liu ,  Xianli Ding ,  Bin Sang ,  Le Tang ,  Ming Ruan ,  Chenguang Zhu ,  Liaohua Fu ,  Fuhua Ding ,  Shuo Cao

IPC: G06K9/00 ,  G06T7/00 ,  G07C9/00

CPC classification number: G06K9/00771 ,  G06K9/00362 ,  G06K2209/09 ,  G06T7/0002 ,  G06T2207/30196 ,  G06T2207/30232 ,  G07C9/00158

Abstract: The present invention provides a human body security inspection method and system. The method comprises: retrieving in real-time scanning row or column image data of a personal to be inspected; transmitting in real-time the image data to an algorithm processing module and processing these image data by the module; automatically recognizing a suspicious matter by a suspicious matter automatic target recognition technique, after retrieving an image data of an entire scanning image of the personal; any of the following three inspection modes is selected, so as to perform a further processing on basis of the recognition result of the suspicious matter, (1) in a manner of automatic target recognition technique, (2) in a combination manner of the automatic target recognition technique and a privacy protection image; and (3) a combination manner of the automatic target recognition technique, a privacy protection image and human intervention.

Abstract translation: 本发明提供一种人体安全检查方法和系统。 该方法包括：实时检索要检查的个人的行或列图像数据; 将图像数据实时传输到算法处理模块，并通过模块处理这些图像数据; 在检索个人的整个扫描图像的图像数据之后，通过可疑物体自动目标识别技术自动识别可疑物品; 选择以下三种检查模式中的任何一种，以便基于可疑物的识别结果进行进一步处理，（1）以自动目标识别技术的方式，（2）以自动 目标识别技术和隐私保护形象; 和（3）自动目标识别技术，隐私保护图像和人为干预的组合方式。

公开(公告)号：US09453937B2

公开(公告)日：2016-09-27

申请号：US14140058

申请日：2013-12-24

Applicant: Nuctech Company Limited

Inventor： Jinyu Zhang ,  Bin Sang ,  Zhanjun Duan ,  Li Zhang ,  Ziran Zhao

IPC: G01V5/00 ,  G01N23/04 ,  G01T1/29

CPC classification number: G01V5/005 ,  G01N23/046 ,  G01N2223/20 ,  G01N2223/419 ,  G01N2223/5015 ,  G01T1/2985

Abstract: A stationary CT apparatus and a method of controlling the same. The stationary CT apparatus includes: a scanning passage; a stationary carbon nanotube X-ray source arranged around the scanning passage and comprising a plurality of ray emission focal spots; and a plurality of stationary detector modules arranged around the scanning passage and disposed opposite the X-ray source. At least some of the plurality of detector modules are arranged in a substantially L shape or a substantially Π shape when viewed in a plane intersecting the scanning passage. Reconstruction of the CT apparatus without a rotary gantry is achieved and special substances in an object under inspection is identified by optimizing design of the carbon nanotube X-ray source and the detector device. The invention ensures that the stationary gantry type CT system has a small size and a high accuracy and is particularly suitable for safety inspection of baggage.

Abstract translation: 固定CT装置及其控制方法。 固定CT装置包括：扫描通道; 固定碳纳米管X射线源，其布置在所述扫描通道周围并且包括多个射线发射焦斑; 以及多个固定检测器模块，其布置在扫描通道周围并且设置成与X射线源相对。 当在与扫描通道相交的平面中观察时，多个检测器模块中的至少一些被布置成大致L形或大致Π形状。 通过优化碳纳米管X射线源和检测器设备的设计，可以实现没有旋转台架的CT设备的重建，并检测被检查物体中的特殊物质。 本发明确保了固定式龙门式CT系统尺寸小，精度高，特别适用于行李安全检查。

公开(公告)号：US09420676B2

公开(公告)日：2016-08-16

申请号：US14129617

申请日：2012-12-31

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Fuhua Ding ,  Wanlong Wu ,  Xilei Luo ,  Zhimin Zheng

IPC: H05G1/02 ,  H05G1/04 ,  H01J35/16 ,  G21F5/015

CPC classification number: H05G1/025 ,  G21F5/015 ,  H01J35/16 ,  H05G1/02 ,  H05G1/04

Abstract: Disclosed are an installation case for a radiation device, an oil-cooling circulation system and an X-ray generator which belong to the technical field of X-ray generator. This disclosure aims to solve the technical problems existing in the conventional X-ray generator, that is, the conventional X-ray generator provides bad sealing, the weight of the case body of the conventional X-ray generator is heavy, and the leakage dose of the X-ray in the conventional X-ray generator is large. The installation case for a radiation device according to this disclosure comprising a case body and a collimator fixedly connected with the case body, the collimator being provided with a beam exit aperture and the case body being provided with a beam exit opening, the installation case for a radiation device further comprises a shielding device provided within the case body, the collimator and the shielding device are integrally formed, or the collimator and the shielding device are two separate parts and are fixedly connected with each other; each layer of the shielding device is provided with a ray exit aperture, and the ray exit aperture, the beam exit aperture and the beam exit opening are coaxial. The X-ray generator according to this disclosure comprises the oil-cooling circulation system according to this disclosure. The installation case for a radiation device according to the disclosure provides improved sealing and ray leakage-proof performance.

Abstract translation: 公开了属于X射线发生器技术领域的辐射装置，油冷循环系统和X射线发生器的安装壳体。 本公开旨在解决传统X射线发生器中存在的技术问题，即常规X射线发生器提供不良密封，常规X射线发生器的壳体重量很重，泄漏剂量 在常规X射线发生器中的X射线量较大。 根据本公开的辐射装置的安装壳体包括壳体和与壳体固定连接的准直器，准直器设置有光束出射孔，并且壳体设置有光束出射开口，安装壳体 辐射装置还包括设置在壳体内的屏蔽装置，准直器和屏蔽装置整体形成，或者准直器和屏蔽装置是两个分开的部件并彼此固定连接; 屏蔽装置的每个层设置有射线出射孔，并且射线出射孔，射束出射孔和射束出射口是同轴的。 根据本公开的X射线发生器包括根据本公开的油冷循环系统。 根据本公开的用于辐射装置的安装壳体提供了改进的密封和防止射线泄漏的性能。

公开(公告)号：US09324125B2

公开(公告)日：2016-04-26

申请号：US14540413

申请日：2014-11-13

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Ziran Zhao ,  Li Zhang ,  Zhiqiang Chen ,  Shuo Wang ,  Jianping Gu ,  Yunda Sun

IPC: G06K9/00 ,  G06T1/00 ,  G06T15/08 ,  G06T1/20 ,  G06T3/40 ,  G06T7/00 ,  G06T11/00 ,  G06T15/04 ,  G06T15/06 ,  G06T15/20 ,  G06T15/40 ,  G06T15/60 ,  G06T15/80

CPC classification number: G06T1/0007 ,  G06T1/20 ,  G06T3/403 ,  G06T11/001 ,  G06T11/008 ,  G06T15/04 ,  G06T15/06 ,  G06T15/08 ,  G06T15/205 ,  G06T15/405 ,  G06T15/60 ,  G06T15/80 ,  G06T2200/04 ,  G06T2200/08 ,  G06T2200/28 ,  G06T2207/10072 ,  G06T2207/10081 ,  G06T2210/04 ,  G06T2215/12 ,  G06T2219/2008

Abstract: The present disclosure provides a method for rendering of CT image data. The method includes acquiring 2D image data of a background and 2D image data of a target; rendering the 2D image data of the target into a 3D image of the target to obtain a first hit position of a ray; rendering the 2D image data of the background into a 3D image of the background; adjusting the 3D image of the background based on the first hit position; and synthetically rendering the 3D image of the background and the 3D image of the target. The present disclosure also provides apparatus for implementing the method.

Abstract translation: 本公开提供了一种用于呈现CT图像数据的方法。 该方法包括获取背景的2D图像数据和目标的2D图像数据; 将目标的2D图像数据呈现为目标的3D图像，以获得射线的第一命中位置; 将背景的2D图像数据呈现为背景的3D图像; 基于第一命中位置调整背景的3D图像; 并综合渲染背景的3D图像和目标的3D图像。 本公开还提供了用于实现该方法的装置。

公开(公告)号：US09322933B2

公开(公告)日：2016-04-26

申请号：US14576674

申请日：2014-12-19

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Ziran Zhao ,  Zhiqiang Chen ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Ming Ruan ,  Yingkang Jin ,  Le Tang

IPC: G01T1/20

CPC classification number: G01T1/2002 ,  G01T1/2008

Abstract: The invention presents a backscattering scintillation detector. The scintillation detector includes a scintillation crystal detector; a X-ray sensitizing screen, which is disposed forward the scintillation crystal detector and where a backscattered X-ray from an object to be detected is processed and then at least part of the processed X-ray is incident to scintillation crystal detector; and photoelectric multiplier, which is disposed backward the scintillation crystal detector and is configured to collect a light signal from scintillation crystal detector and convert it to an electrical signal. Through the above preferable embodiment, a X-ray sensitizing screen, a scintillation crystal detector, and light guiding and wave-drifting technologies are combined together to obtain a novel scintillation detector, which can improve detection of X-ray, transmission of light signal and conversion of light signal to electrical signal.

Abstract translation: 本发明提出了一种后向散射闪烁检测器。 闪烁检测器包括闪烁晶体检测器; 设置在闪烁晶体检测器前方的X射线增感屏幕，并且处理来自被检测物体的背散射​​X射线，然后处理的X射线的至少一部分入射到闪烁晶体检测器; 以及光电倍增器，其设置在闪烁晶体检测器的后方，并且被配置为从闪烁晶体检测器收集光信号并将其转换为电信号。 通过上述优选实施例，将X射线增感屏，闪烁晶体检测器和导光波漂移技术组合在一起，以获得新的闪烁检测器，其可以改善X射线的检测，光信号的传输和 光信号转换为电信号。

公开(公告)号：US20160003965A1

公开(公告)日：2016-01-07

申请号：US14790880

申请日：2015-07-02

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Chengcong Xu ,  Ming Ruan ,  Guangwei Ding ,  Yanjie Wen

IPC: G01V5/00 ,  G01N23/203

CPC classification number: G01V5/0025 ,  G01N23/203

Abstract: The present invention provides an X-ray backscattering safety inspection system, comprising: an X-ray source comprising a plurality of target spots each individually controllable to emit X-rays; collimators configured to be respectively passed through the X-ray emitted from the plurality of target spots and output N pencil-shaped X-ray beams, and the N pencil-shaped X-ray beams are irradiated onto N locations of an object to be inspected; and N detectors configured to respectively receive scattering signals from the corresponding locations of the object to be inspected, in which N is a positive integer that is great than or equal to 2. The system may achieve double scannings in one scanning operation, which not only increases scanning speed but also enhances backscattering signal for imaging.

Abstract translation: 本发明提供了一种X射线背散射安全检查系统，其包括：X射线源，其包括多个目标点，每个目标点各自可控制以发射X射线; 准直器被配置为分别通过从多个目标点发射的X射线，并且输出N个铅笔X射线束，并且将N个铅笔X射线束照射到待检查对象的N个位置 ; 和N个检测器，其被配置为分别从待检查对象的相应位置接收散射信号，其中N是大于或等于2的正整数。系统可以在一次扫描操作中实现双扫描，这不仅 增加了扫描速度，同时也增强了用于成像的后向散射信号。

公开(公告)号：US20150185431A1

公开(公告)日：2015-07-02

申请号：US14573387

申请日：2014-12-17

Applicant: NUCTECH COMPANY LIMITED

Inventor： Ziran Zhao ,  Jianhong Zhang ,  Hongqiu Wang ,  Dong Lin ,  Shixin Zhang ,  Bin Hu ,  Yumin Yi

IPC: G02B7/04 ,  G01N21/01 ,  G02B7/02 ,  G01N21/63

CPC classification number: G02B7/04 ,  G01N21/01 ,  G01N21/63 ,  G01N2201/02 ,  G02B7/022 ,  G02B7/32

Abstract: An embodiment of the present invention provides an optical probe, comprising: a first sleeve in which a lens is contained, the first sleeve having a light transmission aperture from which an exciting light enters the first sleeve; a second sleeve movably engaged with the first sleeve and having a detection window from which the exciting light having passed through the first sleeve and focused by the lens exits the optical probe, the second sleeve being capable of moving with respect to the first sleeve from a first detection position to a second detection position or from the second detection position to the first detection position; and a positioning member configured to position the second sleeve at the first detection position or the second detection position with respect to the first sleeve.

Abstract translation: 本发明的一个实施例提供了一种光学探针，包括：第一套筒，其中容纳透镜，第一套筒具有透光孔，激发光从该光透射孔进入第一套筒; 第二套筒可移动地与第一套筒接合并且具有检测窗口，已经穿过第一套筒并被透镜聚焦的激发光从该检测窗口离开光学探针，第二套筒能够相对于第一套筒从一个 第一检测位置到第二检测位置或从第二检测位置到第一检测位置; 以及定位构件，其构造成将所述第二套筒相对于所述第一套筒定位在所述第一检测位置或所述第二检测位置。

公开(公告)号：US20150117602A1

公开(公告)日：2015-04-30

申请号：US14525078

申请日：2014-10-27

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Zhuowen Tu ,  Liang Li ,  Ziran Zhao ,  Duokun Zhang ,  Zhi Peng ,  Jin Cui ,  Dong Lin

IPC: G01V5/00 ,  G06T15/06 ,  G06T19/00

CPC classification number: A61B6/022 ,  A61B6/4266 ,  G01V5/0058 ,  G06T15/08 ,  G06T2207/20212 ,  H04N13/106 ,  H04N2213/003

Abstract: A stereoscopic imaging system and method is disclosed. In one aspect the system includes a ray source that emits a plurality of ray fanbeams. The system includes columns of detectors. Each column of detectors is arranged at a preset angle with respect to the ray source. The detectors detect a strength of a ray fanbeam penetrating an object under inspection. The detectors form a transmission images when the object intersects, or moves along a direction intersecting with, the ray fanbeams. The system includes a reconstruction apparatus that uses any two of the formed transmission images as a binocular image. The reconstruction apparatus calculates depth information of the object on the transmission images. The reconstruction apparatus superposes and fuses the calculated depth information to obtain 3D information. The reconstruction apparatus performs 3D reconstruction so that the detected object can be presented in a stereoscopic manner from different view angles.

Abstract translation: 公开了一种立体成像系统和方法。 在一个方面，该系统包括发射多个射线扇形束的射线源。 该系统包括检测器列。 每列检测器相对于射线源以预设的角度布置。 检测器检测穿透被检查物体的射线扇形束的强度。 当物体相交时，检测器形成透射图像，或者沿着与光线扇形束交叉的方向移动。 该系统包括使用任何两个形成的透射图像作为双目图像的重建装置。 重建装置计算发送图像上的对象的深度信息。 重建装置叠加并融合计算出的深度信息以获得3D信息。 重建装置执行3D重建，使得可以以不同的视角立体呈现检测到的对象。

公开(公告)号：US20140299758A1

公开(公告)日：2014-10-09

申请号：US14005820

申请日：2012-11-29

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Zhiqiang Chen ,  Qingjun Zhang ,  Shuqiang Dong ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Yan Zheng

IPC: H01T19/04 ,  H01J49/26

CPC classification number: H01T19/04 ,  G01N27/622 ,  G01N27/68 ,  H01J27/022 ,  H01J49/168 ,  H01J49/26

Abstract: The present invention provides a corona discharge device, comprising a first electrode including: a first substantially cylindrical inner chamber portion and a second substantially conical inner chamber portion in communication with the first inner chamber portion, wherein the second inner chamber portion has a cross sectional area that gradually enlarges in a direction away from the first inner chamber portion. The present invention also provides an ion mobility spectrometer comprising: an ionization region; and the corona discharge device disposed in the ionization region. With the above construction and structure, the ion mobility spectrometer of the present invention has the advantages that extraction of ions is facilitated and a life time of the corona electrode is lengthened. In addition, the focusing and storing electrode is used to effectively shield interference of a corona discharge pulse, and to push and focus sample ions. A designed voltage control solution is used to achieve mobility differentiating of ions, while a corona pulse is shielded to prevent variation in an ion quantity due to the corona pulse, thereby achieving an effect of stabilizing mobility spectrum lines.

Abstract translation: 本发明提供一种电晕放电装置，包括：第一电极，包括：与第一内室部分连通的第一基本上圆柱形的内室部分和第二基本上圆锥形的内室部分，其中第二内室部分具有横截面积 其在远离第一内室部分的方向上逐渐扩大。 本发明还提供了一种离子迁移谱仪，包括：电离区域; 以及设置在电离区域中的电晕放电装置。 通过上述结构和结构，本发明的离子迁移谱仪具有促进离子提取和电晕电极寿命延长的优点。 此外，聚焦和存储电极用于有效屏蔽电晕放电脉冲的干扰，并推动和聚焦样品离子。 使用设计的电压控制解决方案来实现离子的移动性差异，同时屏蔽电晕脉冲以防止由于电晕脉冲引起的离子量的变化，从而实现稳定迁移率谱线的效果。

公开(公告)号：US20140211923A1

公开(公告)日：2014-07-31

申请号：US14129617

申请日：2012-12-31

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Fuhua Ding ,  Wanlong Wu ,  Xilei Luo ,  Zhimin Zheng

IPC: H05G1/02 ,  H01J35/16

CPC classification number: H05G1/025 ,  G21F5/015 ,  H01J35/16 ,  H05G1/02 ,  H05G1/04

Abstract: Disclosed are an installation case for a radiation device, an oil-cooling circulation system and an X-ray generator which belong to the technical field of X-ray generator. This disclosure aims to solve the technical problems existing in the conventional X-ray generator, that is, the conventional X-ray generator provides bad sealing, the weight of the case body of the conventional X-ray generator is heavy, and the leakage dose of the X-ray in the conventional X-ray generator is large. The installation case for a radiation device according to this disclosure comprising a case body and a collimator fixedly connected with the case body, the collimator being provided with a beam exit aperture and the case body being provided with a beam exit opening, the installation case for a radiation device further comprises a shielding device provided within the case body, the collimator and the shielding device are integrally formed, or the collimator and the shielding device are two separate parts and are fixedly connected with each other; each layer of the shielding device is provided with a ray exit aperture, and the ray exit aperture, the beam exit aperture and the beam exit opening are coaxial. The X-ray generator according to this disclosure comprises the oil-cooling circulation system according to this disclosure. The installation case for a radiation device according to the disclosure provides improved sealing and ray leakage-proof performance.

Abstract translation: 公开了属于X射线发生器技术领域的辐射装置，油冷循环系统和X射线发生器的安装壳体。 本公开旨在解决传统X射线发生器中存在的技术问题，即常规X射线发生器提供不良密封，常规X射线发生器的壳体重量很重，泄漏剂量 在常规X射线发生器中的X射线量较大。 根据本公开的辐射装置的安装壳体包括壳体和与壳体固定连接的准直器，准直器设置有光束出射孔，并且壳体设置有光束出射开口，安装壳体 辐射装置还包括设置在壳体内的屏蔽装置，准直器和屏蔽装置整体形成，或者准直器和屏蔽装置是两个分开的部件并彼此固定连接; 屏蔽装置的每个层设置有射线出射孔，并且射线出射孔，射束出射孔和射束出射口是同轴的。 根据本公开的X射线发生器包括根据本公开的油冷循环系统。 根据本公开的用于辐射装置的安装壳体提供了改进的密封和防止射线泄漏的性能。