Discriminative convolution sparse coding for robust image classification.
Ali NozaripourHadi SoltanizadehPublished in: Multim. Tools Appl. (2022)
Keyphrases
- image classification
- sparse coding
- sparse codes
- discriminative power
- sparse representation
- dictionary learning
- object category recognition
- image representation
- feature extraction
- norm minimization
- visual words
- natural images
- bag of words
- discriminative dictionary
- image features
- unsupervised learning
- visual recognition
- bag of features
- spatial pyramid matching
- sparsity constraints
- image processing
- linear combination
- codebook generation
- scene classification
- multiscale
- generative model
- visual categorization
- pattern recognition
- high dimensional
- signal processing
- learning algorithm
- machine learning