AbstractThe stimuli traditionally used for demonstrating shadow-related concavity–convexity inversions reveal a very basic tolerance for impossible shadows—namely, self shadows do not induce a visual request for geometrically mandatory cast shadows.Keywordsshape from shadingimpossible shadowsGet full access to this articleView all access options for this article.Get accessReferences1. Kleffner D. A. Ramachandran V. S. (1992). On the perception of shape from shading. Perception & Psychophysics, 52, 18–36.
