Main Page | See live article | Alphabetical index Mental images are considered in the mind's eye, what CNN reporter Walter Rogers calls the 'camera in your mind'. One complicating factor is the ambiguity of interpretation of an image. Computer vision pioneer David Marr produced a famous photograph of a woman's face, which includes an ambiguous feature that could be either her nose or her finger. Optical illusions regularly exploit this property. See also: computer vision, machine vision, computer graphics. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.