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Shape from shading: the smoothness assumption

Preliminary observation: surface orientation at the occluding contour is known and can be used as a boundary condition (p,q representation unsuitable; use stereographic f,g).

Formulation (Ikeuchi and Horn): minimize

to find and that satisfy the image irradiance equation, while keeping the solution surface smooth.

Edelman Shimon
Wed Oct 18 09:18:18 EDT 1995