A dictionary learning algorithm for sparse coding by the normalized bilateral projections.
Taro TezukaPublished in: MLSP (2014)
Keyphrases
- sparse coding
- sparse representation
- learning algorithm
- sparse codes
- dictionary learning
- discriminative dictionary
- image classification
- natural images
- object category recognition
- discriminative power
- image representation
- machine learning
- linear combination
- compressive sensing
- image patches
- single image super resolution
- dimensionality reduction
- generative model
- unsupervised learning
- feature space
- sparse representation based classification
- signal processing
- face recognition
- generalization error
- training data
- supervised learning
- visual words
- learning process
- active learning
- training examples
- image processing
- similarity measure
- feature extraction
- pattern recognition
- reinforcement learning
- high dimensional
- decision trees
- bag of words
- training samples
- data sets
- higher order
- small number