Spectral recovery of artificial illuminants using a CCD colour camera with Non-negative Matrix Factorization and Independent Component Analysis.
Juan Luis NievesEva M. ValeroJavier RomeroJavier Hernández-AndrésPublished in: CGIV (2006)
Keyphrases
- negative matrix factorization
- independent component analysis
- principal component analysis
- blind source separation
- real scenes
- independent components
- factor analysis
- dimensionality reduction
- colour constancy
- matrix factorization
- principal components
- signal processing
- color constancy
- face recognition
- gamut mapping
- sparse representation
- single image
- gradient method
- feature space
- camera motion
- high resolution
- feature extraction
- convergence rate
- document clustering
- hyperspectral
- low dimensional
- hyperspectral images
- information retrieval
- unsupervised learning