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.

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.

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.

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

IPC: G06T7/00 ,  G06K9/00 ,  G06K9/46 ,  G06K9/62 ,  G06Q30/00 ,  G06K9/18

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.

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

IPC: G06T7/00 ,  G06K9/62 ,  G06K9/46 ,  G06K9/52 ,  G01V5/00 ,  G01N23/04

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。

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。

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

IPC: G06T11/00 ,  G01N23/04 ,  G01V5/00

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。

公开(公告)号：US20150379677A1

公开(公告)日：2015-12-31

申请号：US14753520

申请日：2015-06-29

Applicant: TSINGHUA UNIVERSITY ,  Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Ziran ZHAO ,  Xianghao WU ,  Limin LIU ,  Min LI ,  Xiaoming SONG ,  Xinfang HUANG ,  Ying LI

IPC: G06T1/20 ,  G06T1/60

CPC classification number: G06T1/20 ,  G06F17/30861 ,  G06F17/30902 ,  G06T1/60

Abstract: The present disclosure provides a radiation image inspection system based on B/S architecture. The system comprises: at least one client terminal, configured to initiate an image operation request to a Web server, and display an image operation result on a browser of the client terminal upon receiving a response from the Web server; an image processing assembly, configured to query, based on the image operation request from the client terminal and forwarded by the Web server, an image which the client terminal desires to process, perform an operation on an image as requested by the client terminal, convert the resulted image into an image in a designated format and quality and return the converted image to the browser of the client terminal via the Web server for displaying; and the Web server, configured to receive the image operation request from the client terminal, forward the image operation request to the image processing assembly, and return the image operation result from the image processing assembly to the client terminal.

Abstract translation: 本公开提供了一种基于B / S架构的辐射图像检测系统。 该系统包括：至少一个客户终端，被配置为向Web服务器发起图像操作请求，并且在接收到来自Web服务器的响应时，在客户终端的浏览器上显示图像操作结果; 图像处理组件，被配置为基于来自客户终端的图像操作请求，由Web服务器转发客户机终端希望处理的图像，按客户终端请求对图像进行操作， 将所得到的图像转换为指定格式的图像和质量，并且经由Web服务器将转换的图像返回到客户终端的浏览器以进行显示; 以及Web服务器，被配置为从客户终端接收图像操作请求，将图像操作请求转发到图像处理组件，并将图像操作结果从图像处理组件返回到客户端。

公开(公告)号：US20150185355A1

公开(公告)日：2015-07-02

申请号：US14576737

申请日：2014-12-19

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Li ZHANG ,  Zhiqiang CHEN ,  Qingping HUANG ,  Xin JIN ,  Yunda SUN ,  Le SHEN ,  Ji ZHAO

IPC: G01V5/00 ,  G01T7/08 ,  G01N23/04 ,  G06T11/00

CPC classification number: G01V5/005 ,  G01N23/046 ,  G01T7/08 ,  G06T11/003 ,  G06T2207/10072 ,  G06T2211/40

Abstract: A CT system and method thereof are discloses. The system includes: a conveyor mechanism; a first scanning stage configured to scan the object and generate a first digital signal; a second scanning stage spaced from the first scanning stage at a preset distance in a direction of the object's movement; a processing device configured to reconstruct a CT image of the object at a first image quality based on the first digital signal, and analyze the CT image; and a control device configured to adjust a scanning parameter of the second scanning stage based on an analysis result of the processing device to cause the second scanning stage to output a second digital signal. The processing device reconstructs a CT image of the object at a second image quality higher than the first image quality at least based on the second digital signal. The system takes full advantage of the distributed ray sources which replace the normal slip ring technology.

Abstract translation: 公开了一种CT系统及其方法。 该系统包括：输送机构; 第一扫描台，被配置为扫描所述物体并产生第一数字信号; 第二扫描台，在所述物体运动的方向上以预定的距离与所述第一扫描台隔开; 处理装置，被配置为基于所述第一数字信号以第一图像质量重建所述对象的CT图像，并分析所述CT图像; 以及控制装置，其被配置为基于所述处理装置的分析结果来调整所述第二扫描级的扫描参数，以使所述第二扫描级输出第二数字信号。 处理装置至少基于第二数字信号，以比第一图像质量高的第二图像质量重构对象的CT图像。 该系统充分利用了代替普通滑环技术的分布式射线源。

公开(公告)号：US20150185155A1

公开(公告)日：2015-07-02

申请号：US14576752

申请日：2014-12-19

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Ziran ZHAO ,  Li ZHANG ,  Yingying GENG ,  Hongqiu WANG ,  Yumin YI

IPC: G01N21/65

CPC classification number: G01N21/65 ,  G01J3/28 ,  G01J3/44 ,  G01J3/4412 ,  G01N21/87 ,  G01N2201/06113 ,  G01N2201/12

Abstract: Embodiments of the present invention provide gem identification method and apparatus. The method comprises the steps: (a) placing a sample to be detected over a light transmission hole formed on a carrying surface of an object table and emitting, by an optical probe disposed below the carrying surface, an exciting light onto the sample through the light transmission hole and then collecting a Raman scattered light from the sample by the optical probe; (b) acquiring a Raman spectrogram of the sample from the collected Raman scattered light from the sample; and (c) comparing the Raman spectrogram with a reference Raman spectrogram library for gems to identify the sample. The method and apparatus may achieve effective, convenient and accurate inspections of the gems.

Abstract translation: 本发明的实施例提供了宝石识别方法和装置。 该方法包括以下步骤：（a）将待检测的样品放置在形成在物体台的承载表面上的光透射孔上，并通过设置在承载表面下方的光学探针将激发光发射到样品上 透光孔，然后通过光学探针从样品中收集拉曼散射光; （b）从收集的来自样品的拉曼散射光中获取样品的拉曼光谱图; 和（c）将拉曼光谱图与用于宝石的参考拉曼光谱图库进行比较以鉴定样品。 该方法和设备可以实现宝石的有效，方便和准确的检查。