On the Graph Fourier Transform for Directed Graphs.
Stefania SardellittiSergio BarbarossaPaolo Di LorenzoPublished in: IEEE J. Sel. Top. Signal Process. (2017)
Keyphrases
- directed graph
- fourier transform
- frequency domain
- random walk
- signal processing
- graph structure
- graph structures
- directed acyclic graph
- undirected graph
- maximum flow
- fourier domain
- power spectral density
- log polar
- directed edges
- correlation function
- strongly connected
- radon transform
- discrete fourier transform
- polar coordinates
- fourier analysis
- spatial domain
- fourier coefficients
- multiscale
- fast fourier transform
- fourier descriptors
- web graph
- phase difference
- pattern recognition
- disjoint paths
- reinforcement learning