Accelerated stochastic multiplicative update with gradient averaging for nonnegative matrix factorizations.
Hiroyuki KasaiPublished in: EUSIPCO (2018)
Keyphrases
- matrix factorization
- nonnegative matrix factorization
- update rule
- factor matrices
- negative matrix factorization
- tensor factorization
- collaborative filtering
- data matrix
- stochastic gradient descent
- recommender systems
- sparse non negative
- low rank
- missing data
- factorization methods
- data representation
- factorization method
- matrix multiplication
- objective function
- image classification
- sparsity constraints
- principal component analysis
- least squares
- monte carlo
- sparse representation
- image representation
- pairwise