Abstract: The invention relates to an installation for detecting the presence of a foreign body (3) inside a container. The installation includes: means (4) for displacing the container (2) so that it occupies a characteristic position in which a foreign body (3) present is placed outside a confinement area (5) of the container, means for displacing the container so that it occupies another characteristic position in which a foreign body present is placed in said confinement area (5) of the container, first and second image-taking systems (10) suitable for taking at least one image of the confinement area (5) of the container when the latter occupies its characteristic positions, and a unit for processing and analyzing images taken by the image shooting systems (10) in order to determine whether a foreign body is present or not.