Deep convolutional dictionary learning network for sparse view CT reconstruction with a group sparse prior.
Yanqin KangJin LiuFan WuKun WangJun QiangDianlin HuYikun ZhangPublished in: Comput. Methods Programs Biomed. (2024)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- image super resolution
- single image super resolution
- sparsity constraints
- compressed sensing
- group sparsity
- natural images
- compressive sensing
- generative model
- image classification
- linear combination
- sparse codes
- signal recovery
- image representation
- dictionary learning for sparse
- unsupervised learning
- medical images
- object category recognition
- image reconstruction
- signal processing
- structured sparsity
- small number
- high dimensional
- image patches
- random projections
- deep learning
- image features
- feature space
- sparse representation based classification
- machine learning