X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2011-05-17
2011-05-17
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S066000
Reexamination Certificate
active
07945017
ABSTRACT:
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.
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Chen Zhi-qiang
Hu Haifeng
Li Yuanjing
Liu Yinong
Tang Hu
Nuctech Company Limited
Song Hoon
Tsinghua University
Westman Champlin & Kelly P.A.
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