Quaternion Non-negative Matrix Factorization: a new tool for spectropolarimetric imaging.
Julien FlamantSebastian MironDavid BriePublished in: CAMSAP (2019)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- document clustering
- principal component analysis
- matrix factorization
- image processing
- constrained least squares
- sparse representation
- spectral clustering
- sparsity constraints
- feature selection
- collaborative filtering
- text mining
- neural network
- information extraction
- probabilistic model
- multiscale
- tensor factorization
- update rule
- computer vision