1
Kejun Kang, Haifeng Hu, Zhiqiang Chen, Yuanjing Li, Xuewu Wang, Chuanxiang Tang, Liming Wang, Yinong Liu, Yaohong Liu, Li Zhang, Jianmin Li, Huaqiang Zhong, Jianping Cheng, Huaibi Chen, Hua Peng, Yali Xie, Junli Li, Ning Kang, Qinghua Li: Method for inspecting object using multi-energy radiations and apparatus thereof. Tsinghua University, Nuctech Company, Jacobson Holman PLLC, August 25, 2009: US07580505 (29 worldwide citation)

The present invention discloses a method for inspecting an object using multi-energy radiations and an apparatus thereof. The method comprises the steps of: causing multi-energy radiations to interact with an object under inspection; detecting and recording detection values after an interaction betw ...


2
Xuewu Wang, Zhiqiang Chen, Yuanjing Li, Huaqiang Zhong, Qingjun Zhang, Shuqing Zhao: Detector array and device using the same. Tsinghua University, Nuctech Company, Westman Champlin & Kelly P A, May 25, 2010: US07724869 (26 worldwide citation)

Disclosed is a detector array comprising a first linear array for detecting a first ray and a second ray which penetrate through a first plurality of parts of the inspected object to acquire first values and second values for the first plurality of parts, wherein the second ray is alternately emitte ...


3
Kejun Kang, Zhiqiang Chen, Qitian Miao, Yuanjing Li, Nan Jiang, Hua Peng, Xuewu Wang, Jinning Liang, Shangmin Sun, Zhizhong Liang, Quanwei Song, Yucheng Wu, Yanjun Han, Guang Yang, Bin Hu, Jingyu Gu: Mobile cantilever door-type container inspection system. Tsinghua University, Nuctech Company, Marshall Gerstein & Borun, February 16, 2010: US07663109 (15 worldwide citation)

The present invention discloses a mobile cantilever door-type container inspection system, in the art of radiation scanning imaging inspection technology. The system according to the present invention comprises a moveable scanning apparatus formed by a scanning frame and a remote control device, whe ...


4
Zhiqiang Chen, Li Zhang, Xuewu Wang, Haifeng Hu, Hongxin Wu, Yuanjing Li, Yinong Liu, Ziran Zhao, Yuxiang Xing, Hu Tang, Yumin Yi, Jinyu Zhang: Method and device for inspection of liquid articles. Tsinghua University, Nuctech Company, Westman Champlin & Kelly P A, May 17, 2011: US07945017 (12 worldwide citation)

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; acquir ...


5
Wanlong Wu, Haifeng Hu, Yuanjing Li, Zhiqiang Chen, Kejun Kang, Yulan Li, Li Zhang, Yinong Liu, Xuewu Wang, Bin Sang, Hailin Wang: Method and an apparatus for liquid safety-detection with a radiation source. Tsinghua University, Nuctech Company, Berenato White & Stavish, June 10, 2008: US07386093 (11 worldwide citation)

A method and an apparatus for liquid safety-detection with a radiation source relate to a radiation detecting technology. The main steps of the method of the invention are: conveying an article to be detected into an operation zone within a radiation shield; allowing a ray beam to be emitted from th ...


6
Xuewu Wang, Yinong Liu, Zhiqiang Chen, Yaohong Liu, Huaqiang Zhong, Dongsheng Zhang, Yumei Chen, Feng Gao: Energy spectrum modulation apparatus, material discrimination method and device, image processing method. Tsinghu University, Nuctech Company, Westman Champlin & Kelly P A, April 20, 2010: US07702075 (7 worldwide citation)

Disclosed are an energy spectrum modulation apparatus, a material discrimination method and a device thereof, as well as an image processing method are disclosed, which can discriminate the material in large- and medium-sized objects such as cargo containers, air cargo containers, etc. by using X-ra ...


7
Kejun Kang, Haifeng Hu, Yali Xie, Qitian Miao, Yigang Yang, Yuanjing Li, Zhiqiang Chen, Xuewu Wang: Method and equipment for discriminating materials by employing fast neutron and continuous spectral x-ray. Tsinghua University, Nuctech Company, Westerman Champlin & Kelly P A, July 15, 2008: US07399976 (6 worldwide citation)

Disclosed is a method of discriminating materials by employing fast neutron and continuous spectral X-ray and an equipment for the same. The method comprising the steps of: (a) transmitting a fast neutron beam produced by a fast neutron source and a continuous spectral X-ray beam produced by a conti ...


8
Yali Xie, Qitian Miao, Hua Peng, Kejun Kang, Haifeng Hu, Zhiqiang Chen, Xueguang Cao, Chuanxiang Tang, Jianping Gu, Xuewu Wang, Hongsheng Wen, Bei He, Yaohong Liu, Shangmin Sun, Quanwei Song, Jin Lin, Xianli Ding: Method and system of material identification using binocular steroscopic and multi-energy transmission images. Nuctech Company, Tsinghua Universiy, Westman Champlin & Kelly P A, June 5, 2012: US08194953 (4 worldwide citation)

The present invention provides a method and system of material identification using binocular steroscopic and multi-energy transmission image. With the method, any obstacle that dominates the ray absorption can be peeled off from the objects that overlap in the direction of a ray beam. The object th ...


9
Zhiqiang Chen, Li Zhang, Kejun Kang, Xuewu Wang, Qingping Huang, Yuanjing Li, Yinong Liu, Ziran Zhao, Yongshun Xiao: Method and apparatus for substance identification. Nuctech Company, Tsinghua University, Westman Champlin & Kelly P A, October 16, 2012: US08290230 (2 worldwide citation)

A method for substance identification and an apparatus thereof are disclosed. The method comprises comprising steps of: transmitting an object under inspection using high-energy rays and low-energy rays, so as to obtain a high-energy transmission image and a low-energy transmission image for the obj ...


10
Zhiqiang Chen, Li Zhang, Xuewu Wang, Haifeng Hu, Hongxin Wu, Yuanjing Li, Yinong Liu, Ziran Zhao, Yuxiang Xing, Hu Tang, Yumin Yi, Jinyu Zhang: Method and device for inspection of liquid articles. Tsinghua University, Nuctech Company, Westman Champlin & Kelly P A, July 23, 2013: US08494114 (1 worldwide citation)

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; acquir ...