Keyphrases
- cross domain
- sparse coding
- sparse representation
- dictionary learning
- natural images
- linear combination
- image classification
- unsupervised learning
- generative model
- domain adaptation
- group sparsity
- knowledge transfer
- text categorization
- image representation
- transfer learning
- visual words
- feature space
- high dimensional
- image patches
- manifold structure
- denoising
- target domain
- pattern recognition
- semi supervised learning
- dimensionality reduction
- nearest neighbor
- object recognition
- similarity measure