Linear Subspace Learning based on a Learned Discriminative Dictionary for Sparse Coding.
Shibo GaoYizhou YuYongmei ChengPublished in: VISAPP (1) (2013)
Keyphrases
- sparse coding
- dictionary learning
- discriminative dictionary
- subspace learning
- sparse representation
- natural images
- unsupervised learning
- learning algorithm
- sparse codes
- image classification
- image representation
- linear subspace
- visual categorization
- linear combination
- image patches
- object category recognition
- visual recognition
- discriminative power
- generative model
- prior knowledge
- active learning
- feature space
- object recognition
- high dimensional
- data sets
- high resolution
- training data
- higher order
- probabilistic model