Beyond the Lambertian assumption: A generative model for Apparent BRDF fields of faces using anti-symmetric tensor splines.
Angelos BarmpoutisRitwik KumarBaba C. VemuriArunava BanerjeePublished in: CVPR (2008)
Keyphrases
- generative model
- light source
- spherical harmonics
- light transport
- probabilistic model
- lighting conditions
- surface roughness
- shape from shading
- single image
- human faces
- photometric stereo
- em algorithm
- surface normals
- latent dirichlet allocation
- reflectance properties
- prior knowledge
- illumination conditions
- object categories
- image formation
- specular reflection
- stereo method
- face recognition
- semi supervised
- face images
- rank constraint
- computer vision
- cast shadows
- bayesian networks
- stereo reconstruction
- dimensionality reduction
- spatially varying
- monte carlo
- learned models
- basis functions
- facial expressions
- image synthesis
- illumination direction
- expectation maximization
- specular highlights