Ambiguous Figure

Dalmatian dog by R. C. James
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The dog picture is familiar in vision circles for it demonstrates the
principle of emergence in perception. The local regions of this image do not
contain sufficient information to distinguish significant form contours from
insignificant noisy edges. As soon as the picture is recognized as that of a dog
in the dappled sunshine under overhanging trees, the contours of the dog pop out
perceptually, filling in visual edges in regions where no edges are present in
the input. |