Unsupervised Sparse, Nonnegative, Low Rank Dictionary Learning for Detection of Driver Cell Phone Usage.
Kankana RoyPublished in: IEEE Trans. Intell. Transp. Syst. (2022)
Keyphrases
- dictionary learning
- group sparsity
- low rank
- sparsity constraints
- sparse coding
- sparse representation
- semi supervised
- matrix decomposition
- linear combination
- low rank matrix
- structured sparsity
- missing data
- high dimensional data
- data matrix
- convex optimization
- unsupervised learning
- matrix factorization
- rank minimization
- singular value decomposition
- matrix completion
- compressive sensing
- image classification
- object detection
- high order
- group lasso
- nonnegative matrix factorization
- face recognition
- dimensionality reduction
- data sets
- image representation
- natural images
- higher order
- collaborative filtering
- knn
- high dimensional