Understanding Trainable Sparse Coding with Matrix Factorization.
Thomas MoreauJoan BrunaPublished in: ICLR (Poster) (2017)
Keyphrases
- sparse coding
- matrix factorization
- sparse non negative
- dictionary learning
- natural images
- sparse representation
- collaborative filtering
- low rank
- image classification
- linear combination
- negative matrix factorization
- recommender systems
- unsupervised learning
- image representation
- generative model
- factorization methods
- missing data
- sparsity constraints
- nonnegative matrix factorization
- feature space
- visual words
- data matrix
- image patches
- high dimensional
- multiscale
- pattern recognition
- data representation
- denoising
- data sets