Fast Nonnegative Matrix Factorization Using Nested ADMM Iterations.
Wu-Sheng LuPublished in: PACRIM (2019)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- matrix factorization
- nonnegative matrix
- least squares
- principal component analysis
- spectral clustering
- total variation
- convex optimization
- document clustering
- data sets
- unsupervised learning
- alternating direction method of multipliers
- original data
- image classification
- nearest neighbor
- recommender systems
- sparsity constraints
- objective function
- machine learning