A Comparative Study of Gamma Markov Chains for Temporal Non-Negative Matrix Factorization.
Louis FilstroffOlivier GouvertCédric FévotteOlivier CappéPublished in: IEEE Trans. Signal Process. (2021)
Keyphrases
- markov chain
- negative matrix factorization
- transition probabilities
- nonnegative matrix factorization
- matrix factorization
- markov processes
- document clustering
- principal component analysis
- sparse representation
- state space
- probabilistic automata
- random walk
- stationary distribution
- spectral clustering
- transition matrix
- information retrieval
- text classification
- image classification
- face recognition
- image processing
- learning algorithm