Example-based shape from shading: 3D heads form 2D face images.
Abbas Z. KouzaniFangpo HeKarl SammutPublished in: SMC (1998)
Keyphrases
- shape from shading
- intensity images
- light source
- surface reflectance
- three dimensional
- surface orientation
- image data
- surface normals
- lighting direction
- input image
- photometric stereo
- lighting conditions
- shape recovery
- illumination conditions
- provably convergent
- single image
- image database
- image set
- feature points
- image irradiance
- critical points
- varying illumination
- facial shape
- perspective projection
- object recognition
- edge detection
- viewing conditions
- specular surfaces
- reflectance model
- reflectance map
- high resolution