Hierarchical Sparse Representation for Robust Image Registration.
Yeqing LiChen ChenFei YangJunzhou HuangPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2018)
Keyphrases
- sparse representation
- image registration
- dictionary learning
- sparse coding
- norm minimization
- coarse to fine
- sparsity constraints
- reconstruction error
- illumination variations
- face recognition
- compressed sensing
- compressive sensing
- random projections
- joint optimization
- image classification
- image patches
- object tracking
- signal processing
- negative matrix factorization
- sparse codes
- sparse approximations
- high dimensional data
- image representation
- test images
- piecewise smooth
- computer vision
- convex optimization
- partial occlusion
- image matching
- dimensionality reduction
- robust face recognition
- regularized least squares
- training set
- object recognition
- sparse reconstruction
- pattern recognition
- sparse coefficients