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Shape from Specularities: Computation and Psychophysics.

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons83839

Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Blake, A., & Bülthoff, H. (1991). Shape from Specularities: Computation and Psychophysics. Philosophical Transactions of the Royal Society of London B, 331(1260), 237-252. doi:10.1098/rstb.1991.0012.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-EE5F-5
Zusammenfassung
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.