Method for separating and classifying waste, in particular packaging

A system for classifying objects in a flow of objects to be sorted, the flow of objects to be sorted being installed on a conveying device (1), said system comprising:

• an image acquisition device (8) comprising a sensor for acquiring an image in the visible spectrum and installed so as to be able to acquire an image of a portion of the flow of objects to be sorted;
• a first light source (4), emitting a first light of a first light spectrum in the visible spectrum,
• the first light source (4) being installed overhanging and illuminating, with all of the first light spectrum of the first light, said portion of flow of objects to be sorted to thereby allow the appearance of first visual information in the visible spectrum on said image being acquired by the sensor of the image acquisition device (8);
• at least one second light source (5, 6, 7) emitting a second light of a second light spectrum distinct from the first light spectrum of the first light from the first light source (4),
• the second light of the second light spectrum allowing the appearance of additional visual information not present in the first information in the visible spectrum on said image acquired by the sensor of the image acquisition device (8), wherein the additional visual information adds to first visual information provided by the first light of the first light spectrum from the first light source (4),
• wherein the first light source (4) and the at least one second light source (5, 6, 7) concomitantly, with all of the first light spectrum of the first light and all of the second light spectrum of the second light, illuminate said portion of flow of objects to be sorted, thereby allowing the appearance of the additional visual information in the visible spectrum on said image acquired and captured, the first visual information and the second visual information concomitantly captured by the sensor of the image acquisition device;
• and
• a classification device configured to classify the objects in said portion of the flow of objects to be sorted according to said first visual information in said image acquired and to classify said objects in said portion of the flow of objects according to said additional visual information in said image acquired.