Approximating the Location of Integrand Discontinuities for Penumbral Illumination with Area Light Sources.
Marc J. OuelletteEugene FiumePublished in: Rendering Techniques (1999)
Keyphrases
- light source
- illumination conditions
- lighting conditions
- single image
- multiple light sources
- cast shadows
- surface reflectance
- specular reflection
- ambient illumination
- ambient light
- reflectance properties
- shape from shading
- illumination direction
- photometric stereo
- active illumination
- surface normals
- specular highlights
- light intensity
- lambertian reflectance
- object surface
- point light source
- structured light
- light directions
- lambertian surface
- viewpoint
- illumination variations
- varying illumination
- optical flow
- shape recovery
- color constancy
- extended light sources
- multi view
- diffuse reflectance
- reflectance model
- super resolution
- image irradiance
- illumination invariant
- smooth surfaces
- ground plane
- video sequences