Fast convolutional sparse coding using matrix inversion lemma.
Michal SorelFilip SroubekPublished in: Digit. Signal Process. (2016)
Keyphrases
- sparse coding
- matrix inversion
- monte carlo
- natural images
- sparse representation
- least squares
- image classification
- linear combination
- unsupervised learning
- computational cost
- image representation
- kernel matrix
- feature space
- generative model
- deep belief networks
- image patches
- reinforcement learning
- multiscale
- denoising
- visual words
- high dimensional
- feature extraction