Dictionary Learning and Sparse Coding on Grassmann Manifolds: An Extrinsic Solution.
Mehrtash Tafazzoli HarandiConrad SandersonChunhua ShenBrian C. LovellPublished in: CoRR (2013)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- image classification
- image representation
- unsupervised learning
- object category recognition
- linear combination
- group sparsity
- single image super resolution
- image patches
- discriminative power
- generative model
- sparse codes
- visual words
- discriminative dictionary
- data sets
- high dimensional
- multiscale
- higher order
- sparsity constraints
- motion estimation
- feature space
- object recognition