Method for determining the change in position of an item of luggage in order to examine a suspect region in this item of luggage

A method for determining the change in position of an item of luggage in order to examine a suspect region in this item of luggage, the method comprising:

• taking a first picture of the item of luggage by a first examination system;
• conveying the item of luggage from the first examination system to a second examination system which is physically separated from the first examination system;
• transferring the first picture of the item of luggage and of coordinates of a first suspect region in the item of luggage from the first examination system to the second examination system;
• taking a second picture of the item of luggage (4) by the second examination system;
• comparing the two pictures of the item of luggage of the first and second examination systems;
• determining the change in position of the item of luggage giving a first angle of rotation about the vertical axis, a second angle of rotation about the horizontal axis and a translation;
• determining the coordinates of the second suspect region which corresponds to the first suspect region in the first examination system in the second examination system;
• and
• performing targeted examination of the item of luggage only in the area of the coordinates of the second suspect region in the second examination system.