Method and device for inspection of drugs concealed in liquid articles

摘要

Disclosed are a method and a device for inspection of drugs concealed in liquid articles without opening the outer packages. The method comprises the steps of: emitting radiation beams to transmit through the liquid article; receiving the radiation beams transmitted through the liquid article to get multi-angle projection data; inversely operating the multi-angle projection data based on the uniformity of the liquid article to obtain an attribute value of the inspected liquid article; retrieving a reference attribute value in a pre-created database by using the identification information of the liquid article as an index, and calculating a difference between the calculated attribute value and the reference attribute value; and determining whether the difference is larger than a predefined threshold value; wherein it is concluded that there are drugs concealed in the liquid article when the difference is determined to be larger than the predefined threshold value.