A Semi-Lagrangian Approximation of the Oren-Nayar PDE for the Orthographic Shape-from-Shading Problem.
Silvia TozzaMaurizio FalconePublished in: VISAPP (3) (2014)
Keyphrases
- shape from shading
- perspective projection
- main conclusions
- light source
- surface normals
- eikonal equation
- shape recovery
- photometric stereo
- single image
- boundary conditions
- partial differential equations
- orthographic projection
- provably convergent
- planar surfaces
- intensity images
- surface orientation
- image processing
- anisotropic diffusion
- level set
- curve evolution