Working Locally Thinking Globally: Theoretical Guarantees for Convolutional Sparse Coding.
Vardan PapyanJeremias SulamMichael EladPublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- sparse coding
- theoretical guarantees
- natural images
- sparse representation
- dictionary learning
- image classification
- linear combination
- unsupervised learning
- worst case
- image representation
- generative model
- visual words
- high dimensional
- sparse codes
- object recognition
- multiscale
- dimensionality reduction
- higher order
- semi supervised
- image patches
- computational complexity
- learning algorithm