Semi-Supervised Graph Based Embedding With Non-Convex Sparse Coding Techniques.
Qi ZhangTianguang ChuCishen ZhangPublished in: IEEE Trans. Knowl. Data Eng. (2021)
Keyphrases
- sparse coding
- semi supervised
- unsupervised learning
- generative model
- alternating optimization
- dictionary learning
- natural images
- subspace learning
- sparse representation
- semi supervised learning
- linear combination
- labeled data
- pairwise
- image classification
- unlabeled data
- convex optimization
- active learning
- supervised learning
- image representation
- vector space
- manifold learning
- sparse codes
- feature space
- image patches
- high dimensional
- metric learning
- low rank
- data points