Laplacian Tensor sparse coding for image categorization.
Mouna DammakMahmoud MejdoubChokri Ben AmarPublished in: ICASSP (2014)
Keyphrases
- sparse coding
- image categorization
- natural images
- dictionary learning
- sparse representation
- image classification
- visual features
- higher order
- generative model
- linear combination
- unsupervised learning
- multiple instance learning
- discriminative power
- dimensionality reduction
- image descriptors
- image representation
- feature space
- image patches
- visual words
- high dimensional
- diffusion tensor
- feature extraction
- object recognition
- multiscale
- feature selection