Efficient Kernel Sparse Coding Via First-Order Smooth Optimization.
Minyoung KimPublished in: IEEE Trans. Neural Networks Learn. Syst. (2014)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- alternating optimization
- image classification
- linear combination
- feature space
- unsupervised learning
- higher order
- image representation
- high dimensional
- kernel machines
- spatial pyramid matching
- machine learning
- kernel function
- sparse codes
- object category recognition
- computer vision