Deep Sparse Coding Using Optimized Linear Expansion of Thresholds.
Debabrata MahapatraSubhadip MukherjeeChandra Sekhar SeelamantulaPublished in: CoRR (2017)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- linear combination
- unsupervised learning
- image classification
- discriminative power
- sparse approximation
- group sparsity
- image representation
- deep belief networks
- person re identification
- image patches
- object category recognition
- generative model
- higher order
- sparse codes
- high dimensional
- single image super resolution
- feature space
- deep learning
- learning algorithm
- image processing
- clustering algorithm
- multiscale
- data analysis
- training set
- small number
- visual words
- bag of words
- super resolution