Random-Walk Laplacian for Frequency Analysis in Periodic Graphs.
Rachid BoukrabAlba Pagès-ZamoraPublished in: Sensors (2021)
Keyphrases
- random walk
- frequency analysis
- directed graph
- graph laplacian
- heat kernel
- spectral methods
- frequency domain
- laplacian matrix
- hyper graph
- web graph
- markov chain
- power spectrum
- link prediction
- graph structure
- nodes of a graph
- graph mining
- shape analysis
- feature extraction
- weighted graph
- palmprint
- transition probability matrix
- graph structures
- transition probabilities
- markov random walk
- image segmentation