Dictionary-based Low-Rank Approximations and the Mixed Sparse Coding problem.
Jeremy E. CohenPublished in: CoRR (2021)
Keyphrases
- sparse coding
- reconstruction error
- natural images
- sparse representation
- subspace learning
- linear combination
- unsupervised learning
- image classification
- image representation
- generative model
- singular value decomposition
- feature space
- image patches
- low rank
- high dimensional
- visual words
- higher order
- input image
- data sets
- pairwise
- object recognition
- kernel matrix
- pattern recognition