Face recognition in 2D and 2.5D using ridgelets and photometric stereo.
Satyajit N. KautkarGary A. AtkinsonMelvyn L. SmithPublished in: Pattern Recognit. (2012)
Keyphrases
- photometric stereo
- face recognition
- spatially varying
- light source
- surface normals
- shape from shading
- multi view
- surface reconstruction
- lighting conditions
- human faces
- shape reconstruction
- face images
- structured light
- reconstruction from multiple images
- facial expressions
- illumination direction
- specular reflection
- surface reflectance
- illumination conditions
- computer vision
- surface inspection
- refractive index
- viewpoint
- principal component analysis
- image sequences
- illumination variations
- feature extraction
- surface orientation
- varying illumination
- image segmentation
- surface geometry
- input image
- face detection
- multiple views