Tensor sparse representation via Einstein product.
Ferdaous Ait AddiAbdeslem Hafid BentbibKhalide JbilouPublished in: Comput. Appl. Math. (2024)
Keyphrases
- sparse representation
- dimensionality reduction
- dictionary learning
- sparse coding
- image classification
- compressed sensing
- face recognition
- compressive sensing
- object tracking
- reconstruction error
- image patches
- joint optimization
- image representation
- random projections
- subspace learning
- negative matrix factorization
- higher order
- high dimensional data
- sparse reconstruction
- high order
- sparse approximations
- test images
- signal processing
- machine learning
- regularized least squares
- data sets
- collaborative filtering
- feature extraction
- sparsity constraints
- data mining
- neural network