Graph Regularized Sparse Coding by Modified Online Dictionary Learning.
Lingdao ShaDan SchonfeldJing WangPublished in: Visual Information Processing and Communication (2017)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- sparsity constraints
- image classification
- linear combination
- object category recognition
- discriminative power
- unsupervised learning
- generative model
- group sparsity
- image patches
- single image super resolution
- sparse codes
- image representation
- feature space
- visual words
- high dimensional
- training data
- data sets
- language model
- bag of words
- input image
- multiscale