Learning an adaptive dictionary structure for efficient image sparse coding.
Jeremy Aghaei MazaheriChristine GuillemotClaude LabitPublished in: PCS (2013)
Keyphrases
- sparse coding
- image classification
- dictionary learning
- sparse representation
- image representation
- single image super resolution
- input image
- natural images
- sparse codes
- group sparsity
- image data
- image features
- unsupervised learning
- image retrieval
- learning process
- test images
- learning algorithm
- multiscale
- image segmentation
- discriminative dictionary
- visual recognition
- discriminative power
- supervised learning
- image regions
- reinforcement learning
- feature vectors
- active learning
- prior knowledge
- high resolution
- manifold structure
- feature selection
- computer vision
- machine learning
- sparse coefficients
- super resolution