A system for the angular orientation and detection of containers being processed in labelling machines. More particularly, the present invention relates to a system for the detection and angular orientation of containers in labelling machines with a rotating turntable for handling the containers. The turntable is provided with a plurality of motor-driven pans which support and handle the containers. Four image cameras are controlled so as to acquire a set of four images which replicate the container image throughout the side surface or perimeter of the container.