Graph regularised sparse NMF factorisation for imagery de-noising.
Yixian FangHuaxiang ZhangYuwei RenPublished in: IET Comput. Vis. (2018)
Keyphrases
- denoising
- sparse non negative
- sparse coding
- negative matrix factorization
- matrix factorization
- sparsity constraints
- sparse representation
- gaussian graphical models
- nonnegative matrix factorization
- natural images
- random walk
- image processing
- graph theory
- computer vision
- graph model
- high dimensional
- low rank approximation
- graph representation
- image data
- image denoising
- adjacency matrix
- face recognition
- directed acyclic
- image classification
- linear combination
- structured data
- graph structure
- graph partitioning
- shortest path
- graph databases
- frequent sets
- singular value decomposition
- directed acyclic graph
- signal recovery
- graphical models
- social networks