Robust sparse coding for one-class classification based on correntropy and logarithmic penalty function.
Hong-Jie XingYa-Jie LiuZi-Chuan HePublished in: Pattern Recognit. (2021)
Keyphrases
- sparse coding
- penalty function
- sparse representation
- dictionary learning
- natural images
- norm minimization
- linear combination
- constrained optimization
- penalty functions
- generative model
- image classification
- image representation
- unsupervised learning
- sparsity constraints
- constrained optimization problems
- sparse representation based classification
- sparse codes
- genetic algorithm
- image patches
- objective function
- fitness function
- high dimensional
- feature space
- similarity measure
- face recognition