On the use of overcomplete dictionaries for spectral unmixing.
Jakub BieniarzRupert MüllerXiaoxiang ZhuPeter ReinartzPublished in: WHISPERS (2012)
Keyphrases
- sparse representation
- hyperspectral data
- hyperspectral
- random projections
- hyperspectral images
- blind source separation
- hyperspectral imagery
- sparse coding
- component analysis
- nonnegative matrix factorization
- remote sensing
- infrared
- face recognition
- negative matrix factorization
- independent component analysis
- linear combination
- image classification
- spectral resolution
- image patches
- natural images
- signal processing
- image data
- spectral analysis
- high dimensional data
- multispectral
- spatial resolution
- spectral images
- spectral features
- introducing additional
- data sets
- recommender systems
- joint optimization
- small number
- higher order
- satellite images