Sparse Representation Using Stepwise Tikhonov Regularization With Offline Computations.
Ramón A. DelgadoRichard H. MiddletonPublished in: IEEE Signal Process. Lett. (2019)
Keyphrases
- sparse representation
- tikhonov regularization
- image restoration
- regularization parameter
- reproducing kernel hilbert space
- face recognition
- random projections
- image classification
- image representation
- high dimensional data
- image patches
- data sets
- signal processing
- least squares
- distance measure
- dimensionality reduction
- kernel methods
- regularization term
- object recognition
- decision trees
- data mining