SVD: Sparse coding and dictionary learning for time series under time warp.
Saeed Varasteh YazdiAhlame Douzal ChouakriaPublished in: Pattern Recognit. Lett. (2018)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- singular value decomposition
- image classification
- unsupervised learning
- linear combination
- image representation
- object category recognition
- discriminative power
- sparse codes
- single image super resolution
- group sparsity
- generative model
- visual words
- image patches
- feature space
- dimensionality reduction
- face recognition
- high dimensional
- multiscale
- image processing
- bayesian networks
- reinforcement learning
- small number
- text mining
- higher order