An automatic and parameter-free information-based method for sparse representation in wavelet bases.
Vittoria BruniLorenzo Della CioppaDomenico VitulanoPublished in: Math. Comput. Simul. (2020)
Keyphrases
- parameter free
- fully automatic
- sparse representation
- clustering method
- outlier detection
- test images
- reconstruction error
- model selection
- computationally efficient
- regularized least squares
- image processing
- joint optimization
- compressive sensing
- categorical data
- sparse coding
- basis functions
- linear combination
- image representation
- image classification
- probabilistic model
- object recognition
- pattern recognition
- face recognition