On The Three Diumensionality of Motion Correspondence

Motion correspondence has long been regarded by psychophysicists as being performed with respect to ~wo dimensional distances only. This is despite the fact that obtaining correspondence of 3D objects from 2D positions is It mathematically ill posed problem. In this work, we reinterpret e.xLant psychophysical experiments that seemingly support the claim about two dimensionality of correspondence, and discuss avai.lable evidence from neuroanatomy and psychophysics which seems to indicate that correspondence problem is solved by a tnree dimensional process. Brief remarks about the significance of this analysis for computer vision are also made.

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