SHAPE FROM SPECULARITIES - COMPUTATION AND PSYCHOPHYSICS

被引:60
作者
BLAKE, A [1 ]
BULTHOFF, H [1 ]
机构
[1] MIT, CTR BIOL INFORMAT PROC, DEPT BRAIN & COGNIT SCI, CAMBRIDGE, MA 02139 USA
关键词
D O I
10.1098/rstb.1991.0012
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Images of artificial and natural scenes typically contain many 'specularities' generated by mirror-like reflection from glossy surfaces. Until fairly recently computational models of visual processes have tended to regard specularities as obscuring underlying scene structure. Mathematical modelling shows that, on the contrary, they are rich in local geometric information. Recent psychophysical findings support the notion that the brain can apply that information. Our results concern the inference of 3D structure from 2D shaded images of glossy surfaces. Stereoscopically viewed highlights or 'specularities' are found to serve as cues for 3D local surface-geometry.
引用
收藏
页码:237 / 252
页数:16
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