Difference sphere: An approach to near light source estimation.
Takeshi TakaiAtsuto MakiKoichiro NiinumaTakashi MatsuyamaPublished in: Comput. Vis. Image Underst. (2009)
Keyphrases
- light source
- point light source
- shape from shading
- photometric stereo
- single image
- surface normals
- lambertian surface
- lighting conditions
- multiple images
- object surface
- illumination conditions
- structured light
- multiple light sources
- surface orientation
- specular reflection
- real objects
- cast shadows
- reflectance properties
- ground plane
- object motion
- illumination direction
- spherical harmonics
- surface reflectance
- shape estimation
- shape recovery
- light intensity
- ambient illumination
- image processing
- viewing conditions
- surface reconstruction
- d objects
- high quality