Sampling Graph Signals with Sparse Dictionary Representation.
Kaiwen ZhangMario CoutinoElvin IsufiPublished in: EUSIPCO (2021)
Keyphrases
- graph representation
- dictionary learning for sparse
- sparse representation
- graph theory
- graph structures
- random walk
- sparse sampling
- vector representation
- sparse data
- face recognition
- adjacency matrix
- graphical representation
- signal processing
- directed acyclic graph
- random sampling
- graph model
- sparsity constraints
- low pass filtering
- signal reconstruction
- parameter space
- directed graph