Keyphrases
- multi layer
- image annotation
- sparse coding
- image classification
- visual features
- natural images
- image representation
- multi label
- sparse representation
- dictionary learning
- image content
- image understanding
- image retrieval
- linear combination
- multi modal
- unsupervised learning
- visual words
- low level features
- neural nets
- neural network
- generative model
- image patches
- high dimensional
- feature space
- image features
- ground truth
- signal processing
- nearest neighbor
- data analysis
- similarity measure
- data mining