Change of Height: An Approach to the Haptic Display of Shape and Texture Without Surface Normal.
Vincent HaywardDingrong YiPublished in: ISER (2002)
Keyphrases
- surface normals
- field of surface normals
- surface orientation
- surface shape
- shape from shading
- facial shape
- surface geometry
- image brightness
- shape recovery
- light source
- photometric stereo
- surface patches
- viewing direction
- surface reconstruction
- object surface
- surface reflectance
- planar surfaces
- texture information
- shape parameters
- photometric properties
- gradient field
- reflectance properties
- statistical model
- occluding contours
- curved surfaces
- image formation
- smooth surfaces
- gray level
- shape model
- refractive index
- aspect ratio
- ground plane
- lighting conditions
- tangent plane
- single image
- texture mapping
- three dimensional
- vector field
- d scene
- multi view