Weareverypleasedtopresenttheproceedingsofthe4thInternationalCognitive Vision Workshop, held as part of the 6th InternationalConference on Computer Vision Systems on Santorini, Greeceduring May12 15,2008.The aim of ICVW 2008 was to document the progress of the relatively young ?eld of cognitive computer vision, bringing together researchers working and interested in this ?eld and giving them a platform to discuss the results of the di?erent European cognitive vision projects as well as international projects in this area. Original research papers were solicited in all aspects of cognitive...