Example-Based Face Shape Recovery Using the Zenith Angle of the Surface Normal.
Mario CastelánAna J. Almazán-DelfínMarco I. Ramírez-Sosa MoránLuz Abril Torres-MéndezPublished in: MICAI (2007)
Keyphrases
- zenith angle
- shape recovery
- surface normals
- refractive index
- facial shape
- shape from shading
- photometric stereo
- single image
- light source
- occluding contours
- object surface
- surface reconstruction
- lighting conditions
- human faces
- surface orientation
- face images
- facial expressions
- intensity images
- viewpoint
- illumination conditions
- structured light
- input image
- semi supervised