-Norm Regularized Quaternion Matrix Completion Using Sparse Representation and Quaternion QR Decomposition.
Juan HanKit Ian KouJifei MiaoLizhi LiuHaojiang LiPublished in: CoRR (2023)
Keyphrases
- norm minimization
- matrix completion
- sparse representation
- low rank
- regularized least squares
- sparse coding
- singular values
- image classification
- convex optimization
- dimensionality reduction
- collaborative filtering
- image representation
- missing data
- image patches
- matrix factorization
- linear discriminant analysis
- singular value decomposition
- random projections
- convex relaxation
- face recognition
- linear combination
- feature extraction
- data sets
- high order
- natural images
- signal processing
- objective function