Patent ID: 7406192

Claim:
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.