Keyphrases
- sparse coding
- denoising
- natural images
- image denoising
- dictionary learning
- deep belief networks
- total variation
- image processing
- image patches
- image classification
- sparse representation
- linear combination
- single image super resolution
- unsupervised learning
- denoising algorithm
- wavelet packet
- generative model
- image representation
- test images
- high dimensional
- deep learning
- visual words
- object category recognition
- face recognition
- feature space
- computer vision