Method and system for tracking a plurality of objects in a sequence of images

A system for tracking a plurality of objects in a sequence of images comprising:

• a receiver configured to receive an image from a sequence of images,
• a calculating component configured to calculate, based on the received image, a detection probability map which, for each state of a predefined set of states of an object, specifies a probability that any of the plurality of objects is detected in that state in the received image,
• an updating component configured to update, based on the calculated detection probability map, an object identity map and an accumulated probability map recursively from a previous object identity map and a previous accumulated probability map corresponding to a previously received image of the sequence of images,
• wherein, for each state of the predefined set of states, the object identity map identifies an object which is most likely to be in that state in the received image, and, the accumulated probability map specifies a probability of an object, which is identified in the object identity map for that state, having that state in the received image, and
• a tracking component configured to track each object in the received image based on the updated object identity map and the accumulated probability map.