Discriminative affine sparse codes for image classification.
Naveen KulkarniBaoxin LiPublished in: CVPR (2011)
Keyphrases
- sparse codes
- image classification
- sparse coding
- bag of words
- image representation
- sparse representation
- image features
- feature extraction
- visual recognition
- visual words
- svm classifier
- feature space
- visual categorization
- discriminative dictionary
- data sets
- discriminative power
- reconstruction error
- linear combination
- unsupervised learning
- image processing
- learning algorithm