Finding GEMS: Multi-Scale Dictionaries for High-Dimensional Graph Signals.
Yael YankelevskyMichael EladPublished in: CoRR (2018)
Keyphrases
- high dimensional
- multiscale
- feature space
- graph representation
- low dimensional
- sparse representation
- graph model
- signal processing
- high dimensional data
- similarity search
- directed graph
- directed acyclic graph
- graph structure
- graph theory
- random walk
- scale space
- high dimensionality
- graph theoretic
- wavelet transform
- selecting a small number
- strongly connected
- spectral analysis
- pairwise
- graph partitioning
- spanning tree
- data points
- image representation
- weighted graph
- dimensionality reduction
- metric space
- sparse coding
- structured data