Patent ID: 8867816

Claim:
A method for assessing a threat status of a liquid product at a security checkpoint, the liquid product being comprised of a bottle holding a liquid, wherein the bottle is at least partially filled with liquid, the method comprising: a) receiving X-ray image data associated with the liquid product conveying an image of the liquid product, the X-ray image data being derived by performing an X-ray scan of the liquid product using an X-ray imaging apparatus; b) processing the X-ray image data to derive information conveying a level of fill of the bottle, wherein processing the X-ray image data to derive information conveying the level of fill of the bottle comprises: i) processing the X-ray image data to derive geometric information associated with the bottle; ii) processing the X-ray image data to derive location information associated with a meniscus formed by the liquid in the bottle; and iii) deriving the level of fill of the bottle at least in part based on the location information associated with the meniscus and the geometric information associated with the bottle; c) determining the threat status of the liquid product at least in part based on the derived level of fill of the bottle; d) releasing information conveying the determined threat status of the liquid product.