Sparse Coding with Multi-Layer Decoders using Variance Regularization.
Katrina EvtimovaYann LeCunPublished in: CoRR (2021)
Keyphrases
- multi layer
- sparse coding
- group sparsity
- dictionary learning
- natural images
- sparse representation
- linear combination
- norm minimization
- image classification
- group sparse coding
- unsupervised learning
- generative model
- image representation
- neural network
- neural nets
- feature space
- high dimensional
- visual words
- multiscale
- image patches
- higher order
- co occurrence
- support vector machine
- learning process
- training set
- image processing
- feature selection