Minimal conditions for the visual detection of structure and motion in three dimensions

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Science  08 Aug 1980:
Vol. 209, Issue 4457, pp. 717-719
DOI: 10.1126/science.7394534


Human observers detected the global three-dimensional organization of visual patterns consisting of only two successive frames of randomly positioned dots, corresponding to projections of a rotating sphere. A perfectly coherent sphere yielded a stable perceptual organization that was detected more accurately than other slightly less organized patterns.