Generalized Fast Iteratively Reweighted Soft-Thresholding Algorithm for Sparse Coding Under Tight Frames in the Complex-Domain.
Praveen Kumar PokalaSatvik ChemudupatiChandra Sekhar SeelamantulaPublished in: ICIP (2020)
Keyphrases
- sparse coding
- complex domains
- thresholding algorithm
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- generative model
- unsupervised learning
- domain theory
- image representation
- reinforcement learning
- sparse codes
- image patches
- feature space
- bayesian networks
- visual words
- high dimensional
- supervised learning
- probabilistic model
- pattern recognition
- dimensionality reduction
- higher order
- domain knowledge
- data sets