Designing Secure Sparse Coding via Multiple Random Unitary Transforms.
Takayuki NakachiYukihiro BandohPublished in: ISPACS (2021)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- unsupervised learning
- group sparsity
- discriminative power
- image representation
- single image super resolution
- image patches
- generative model
- feature space
- multiscale
- person re identification
- sparse codes
- visual words
- bayesian networks