Separation of reflection components by sparse non-negative matrix factorization.
Yasushi AkashiTakayuki OkataniPublished in: Comput. Vis. Image Underst. (2016)
Keyphrases
- sparse non negative
- reflection components
- matrix factorization
- sparse coding
- color images
- specular reflection
- collaborative filtering
- textured surfaces
- recommender systems
- missing data
- nonnegative matrix factorization
- specular and diffuse reflection
- surface roughness
- factorization methods
- negative matrix factorization
- sparse representation
- image classification
- light source
- natural images
- multiscale
- photometric stereo
- generative model
- linear combination
- image representation
- face recognition
- supervised learning
- high dimensional
- unsupervised learning