Compressed sensing MRI with combined sparsifying transforms and smoothed l0 norm minimization.
Xiaobo QuXue CaoDi GuoChangwei HuZhong ChenPublished in: ICASSP (2010)
Keyphrases
- compressed sensing
- sparse representation
- norm minimization
- image reconstruction
- random projections
- sparse coding
- convex optimization
- natural images
- image classification
- high dimensional data
- signal processing
- dimensionality reduction
- matrix completion
- higher order
- compressive sensing
- unsupervised feature selection
- image patches
- interior point methods
- fourier domain
- machine learning
- high resolution