Motion illusions as optimal percepts

被引:707
作者
Weiss, Y
Simoncelli, EP
Adelson, EH
机构
[1] Hebrew Univ Jerusalem, Sch Engn & Comp Sci, IL-91904 Jerusalem, Israel
[2] NYU, Howard Hughes Med Inst, Ctr Neural Sci, New York, NY 10003 USA
[3] NYU, Courant Inst Math Sci, New York, NY 10003 USA
[4] MIT, Dept Brain & Cognit Sci, Cambridge, MA 02139 USA
关键词
D O I
10.1038/nn858
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The pattern of local image velocities on the retina encodes important environmental information. Although humans are generally able to extract this information, they can easily be deceived into seeing incorrect velocities. We show that these 'illusions' arise naturally in a system that attempts to estimate local image velocity. We formulated a model of visual motion perception using standard estimation theory, under the assumptions that (i) there is noise in the initial measurements and (ii) slower motions are more likely to occur than faster ones. We found that specific instantiation of such a velocity estimator can account for a wide variety of psychophysical phenomena.
引用
收藏
页码:598 / 604
页数:7
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