A viscosity solution method for Shape-From-Shading  without image boundary data

Emmanuel Prados; Fabio Camilli; Olivier Faugeras

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Displaying similar documents to “A viscosity solution method for Shape-From-Shading without image boundary data”

Degenerate Eikonal equations with discontinuous refraction index

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We study the Dirichlet boundary value problem for eikonal type equations of ray light propagation in an inhomogeneous medium with discontinuous refraction index. We prove a comparison principle that allows us to obtain existence and uniqueness of a continuous viscosity solution when the Lie algebra generated by the coefficients satisfies a Hörmander type condition. We require the refraction index to be piecewise continuous across Lipschitz hypersurfaces. The results characterize...

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