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The generic viewpoint assumption and planar bias

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3 Author(s)
Yuille, A.L. ; Stnith-Kettlewell Eye Res. Inst., San Francisco, CA, USA ; Coughlan, J.M. ; Konishi, S.

We show that generic viewpoint and lighting assumptions resolve standard visual ambiguities by biasing toward planar surfaces. Our model uses orthographic projection with a two-dimensional affine warp and Lambertian reflectance functions, including cast and attached shadows. We use uniform priors on nuisance variables such as viewpoint direction and the light source. Limitations of using uniform priors on nuisance variables are discussed.

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:25 ,  Issue: 6 )