Photometric stereo under illumination from unknown zenith angles.
Yuji IwahoriHidezumi SugieNaohiro IshiiPublished in: Systems and Computers in Japan (1991)
Keyphrases
- photometric stereo
- light directions
- illumination direction
- point light source
- lighting conditions
- light source
- surface normals
- shape from shading
- spatially varying
- shape reconstruction
- specular reflection
- surface reflectance
- multi view
- surface reconstruction
- reflectance properties
- generalized bas relief
- illumination conditions
- diffuse reflection
- reflectance map
- image irradiance
- single image
- structured light
- uncalibrated photometric stereo
- single viewpoint
- lambertian surface
- refractive index
- viewpoint
- reflectance model
- human faces
- diffuse reflectance
- viewing conditions
- high speed camera
- varying illumination
- smooth surfaces
- object surface
- surface orientation
- cast shadows