Generative and Discriminative Sparse Coding for Image Classification Applications.
Ajit PuthenputhusseryQingfeng LiuHao LiuChengjun LiuPublished in: WACV (2018)
Keyphrases
- image classification
- sparse coding
- sparse codes
- discriminative power
- object category recognition
- generative model
- discriminative dictionary
- dictionary learning
- unsupervised learning
- sparse representation
- feature extraction
- image representation
- bag of words
- image features
- codebook generation
- visual words
- visual categorization
- visual recognition
- single image super resolution
- semi supervised
- spatial pyramid matching
- bag of features
- scene classification
- dimensionality reduction
- linear combination
- natural images
- prior knowledge
- active learning
- learning algorithm
- feature space
- multiscale