Discriminative Sparse Coding by Nuclear Norm-Driven Semi-Supervised Dictionary Learning.
Weiming JiangZhao ZhangYan ZhangFanzhang LiPublished in: PCM (1) (2016)
Keyphrases
- sparse coding
- dictionary learning
- semi supervised
- unsupervised learning
- norm minimization
- low rank
- sparse codes
- generative model
- sparse representation
- object category recognition
- subspace learning
- semi supervised learning
- natural images
- linear combination
- pairwise
- discriminative dictionary
- supervised learning
- image classification
- matrix completion
- active learning
- group sparsity
- image representation
- high dimensional data
- metric learning
- object categories
- visual words
- image patches
- data sets
- signal processing
- higher order
- feature space
- multiscale
- feature extraction
- convex optimization