Extended Adjacency and Scale-Dependent Graph Fourier Transform via Diffusion Distances.
Vitor R. M. EliasWallace A. MartinsStefan WernerPublished in: IEEE Trans. Signal Inf. Process. over Networks (2020)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- diffusion process
- polar coordinates
- strongly connected
- correlation function
- fourier domain
- distance measure
- directed graph
- scale space
- radon transform
- power spectral density
- fast fourier transform
- phase difference
- fourier coefficients
- image segmentation
- frequency spectrum
- image quality
- denoising
- wavelet transform