1. A detection system for detecting at least one edge portion of an object in front of a dark background, the system comprising: an imaging device for generating at least one image of the object, the imaging device having a field of view; at least one auxiliary light reflective surface that is structured and arranged for passively illuminating the at least one edge portion of the object; and at least one illumination device for actively illuminating the object and the at least one auxiliary light reflective surface, whereby light reflected from the at least one auxiliary light reflective surface results in the passive illumination of the at least one edge portion of the object.