Learned and designed features for sparse coding in image classification.
Dung A. DoanNgoc-Trung TranDinh-Phong VoBac LePublished in: RIVF (2013)
Keyphrases
- image classification
- sparse coding
- image features
- feature extraction
- dictionary learning
- sparse representation
- sparse codes
- spatial pyramid matching
- svm classifier
- visual words
- feature space
- image representation
- natural images
- linear combination
- codebook generation
- basis vectors
- bag of words
- generative model
- person re identification
- single image super resolution
- discriminative power
- visual recognition
- image patches
- bag of features
- discriminative dictionary
- unsupervised learning
- object recognition
- high dimensional
- object category recognition
- visual categorization
- co occurrence
- feature vectors
- machine learning
- active learning
- denoising