Convex Sparse Coding, Subspace Learning, and Semi-Supervised Extensions.
Xinhua ZhangYaoliang YuMartha WhiteRuitong HuangDale SchuurmansPublished in: AAAI (2011)
Keyphrases
- subspace learning
- sparse coding
- sparse representation
- natural images
- dictionary learning
- semi supervised
- image classification
- unsupervised learning
- linear combination
- image representation
- generative model
- convex optimization
- feature space
- image patches
- high dimensional
- pairwise
- face recognition
- higher order
- data sets
- nearest neighbor
- semi supervised learning
- visual words
- multiscale
- data representation
- image processing