Parallel imaging via sparse representation over a learned dictionary.
Shanshan WangXi PengPei DongLeslie YingDavid Dagan FengDong LiangPublished in: ISBI (2015)
Keyphrases
- sparse representation
- learned dictionary
- compressive sensing
- sparse coding
- dictionary learning
- image patches
- face recognition
- image classification
- signal processing
- joint optimization
- random projections
- test images
- compressed sensing
- image processing
- high dimensional data
- image representation
- high resolution
- dimensionality reduction
- low resolution
- learning algorithm
- decision trees
- high quality
- multiscale
- high dimensionality
- high dimensional
- natural images
- data sets
- face images
- nearest neighbor
- image features
- ground truth