Image Classification by Iterative Semi-Supervised Sparse Coding.
Haixia ZhengHorace H. S. IpPublished in: PCM (2013)
Keyphrases
- sparse coding
- image classification
- semi supervised
- subspace learning
- dictionary learning
- image representation
- sparse representation
- sparse codes
- unsupervised learning
- semi supervised learning
- labeled data
- visual words
- generative model
- discriminative power
- bag of words
- visual recognition
- feature extraction
- codebook generation
- image features
- pairwise
- bag of features
- scene classification
- natural images
- active learning
- supervised learning
- object category recognition
- manifold learning
- low rank
- linear combination
- spatial pyramid matching
- nearest neighbor
- visual categorization
- higher order
- image patches
- low resolution