Accelerating MRI reconstruction via three-dimensional dual-dictionary learning using CUDA.
Jiansen LiJianqi SunYing SongJun ZhaoPublished in: J. Supercomput. (2015)
Keyphrases
- dictionary learning
- three dimensional
- image super resolution
- sparse representation
- sparse coding
- single image super resolution
- magnetic resonance imaging
- sparsity constraints
- magnetic resonance images
- image sequences
- mri data
- high resolution
- mr images
- medical images
- compressive sensing
- x ray
- sparse codes
- unsupervised learning
- image classification
- high quality
- group sparsity
- image representation
- linear combination
- generative model
- white matter
- semi supervised
- object recognition