Isotropic non-Lipschitz regularization for sparse representations of random fields on the sphere.
Chao LiXiaojun ChenPublished in: Math. Comput. (2022)
Keyphrases
- random fields
- sparse representation
- dictionary learning
- markov random field
- regularized least squares
- sparse coding
- maximum entropy
- non stationary
- norm regularization
- conditional random fields
- potential functions
- face recognition
- parameter estimation
- compressive sensing
- image classification
- regularization methods
- probabilistic model
- high dimensional data
- image representation
- regularization parameter
- signal processing
- higher order
- image processing
- machine learning
- dimensionality reduction
- reproducing kernel hilbert space
- denoising
- image segmentation