Sparse Representation for Color Image Based on Geometric Algebra.
Rui WangYujie WuMiaomiao ShenWenming CaoPublished in: ICME (2018)
Keyphrases
- sparse representation
- geometric algebra
- dictionary learning
- sparse coding
- image classification
- face recognition
- joint optimization
- compressive sensing
- reconstruction error
- object tracking
- compressed sensing
- image patches
- test images
- intrinsic image decomposition
- regularized least squares
- random projections
- signal processing
- dimensionality reduction
- piecewise smooth
- negative matrix factorization
- image representation
- pose estimation
- high dimensional data
- neural network
- sparse approximations
- image reconstruction
- sparse reconstruction
- data sets
- object recognition
- training data