Working Locally Thinking Globally: Theoretical Guarantees for Convolutional Sparse Coding.
Vardan PapyanJeremias SulamMichael EladPublished in: CoRR (2017)
Keyphrases
- sparse coding
- theoretical guarantees
- natural images
- sparse representation
- dictionary learning
- linear combination
- image classification
- worst case
- unsupervised learning
- generative model
- image representation
- feature space
- image patches
- sparse codes
- visual words
- high dimensional
- higher order
- denoising
- signal processing
- multiscale
- training data
- feature selection