Partitioned Convolutional Dictionary Learning Over Imbalanced Subspaces.
Michael CulpPublished in: ACSSC (2023)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- high dimensional data
- high dimensional
- feature space
- group sparsity
- unsupervised learning
- image super resolution
- image classification
- linear combination
- object category recognition
- generative model
- low dimensional
- image representation
- sparse codes
- visual words
- image patches
- dictionary learning for sparse
- data points
- parameter space
- principal component analysis
- probabilistic model
- multiscale
- face recognition
- original data
- dimensionality reduction
- similarity measure