Occlusion, surface perception and illusory contours.

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Almost half the brain deals with vision, and for good reason. Complex problems must be solved in order for perception to appear effortless. One of the most intriguing is that objects are not incomplete when they are occluded by nearer objects. This project will advance our understanding of how visual systems deal with occlusion, studying perceived continuation, "illusory contours" and the perception of surface layout. This issue is also relevant to recognition with sparse visual inputs, the effects of brain damage and image interpretation in virtual reality, security and medical applications.