Robust Joint Graph Sparse Coding for Unsupervised Spectral Feature Selection.
Xiaofeng ZhuXuelong LiShichao ZhangChunhua JuXindong WuPublished in: IEEE Trans. Neural Networks Learn. Syst. (2017)
Keyphrases
- sparse coding
- unsupervised learning
- feature selection
- dictionary learning
- norm minimization
- unsupervised feature selection
- sparse representation
- natural images
- image classification
- feature space
- image representation
- linear combination
- semi supervised
- sparsity constraints
- text classification
- supervised learning
- image patches
- generative model
- object category recognition
- model selection
- support vector
- multiscale
- manifold structure
- object recognition
- gaussian mixture model
- visual words
- dimensionality reduction
- denoising
- multi task
- ground truth
- knn
- deep belief networks