Sparse-View CT Reconstruction via Convolutional Sparse Coding.
Peng BaoWenjun XiaKang YangJiliu ZhouYi ZhangPublished in: CoRR (2018)
Keyphrases
- sparse coding
- reconstruction error
- single image super resolution
- sparse representation
- dictionary learning
- natural images
- sparsity constraints
- image classification
- unsupervised learning
- compressive sensing
- linear combination
- basis vectors
- image representation
- generative model
- sparse codes
- group sparsity
- image reconstruction
- medical images
- image patches
- feature space
- visual words
- high resolution
- high dimensional
- object recognition
- data sets
- object category recognition
- deep belief networks
- multiscale
- denoising
- high quality