Low-rank plus sparse reconstruction using dictionary learning for 3D-MRI.
Wenxiong ZhongDongxiao LiLianghao WangMing ZhangPublished in: CISP-BMEI (2016)
Keyphrases
- low rank
- dictionary learning
- sparse representation
- high dimensional data
- sparse coding
- group sparsity
- linear combination
- convex optimization
- missing data
- matrix factorization
- singular value decomposition
- dimensionality reduction
- semi supervised
- high order
- image classification
- object tracking
- low dimensional
- image patches
- nearest neighbor
- compressive sensing
- image representation
- face recognition
- high dimensional
- random projections
- data points
- data sets
- unsupervised learning
- multiscale
- signal processing
- small number
- original data
- object recognition
- feature extraction