Windowed hypergraph Fourier transform and vertex-frequency representation.
Alcebiades Dal ColFabiano PetronettoJosé R. de Oliveira-NetoJuliano B. LimaPublished in: Signal Process. (2024)
Keyphrases
- fourier transform
- frequency domain
- frequency spectrum
- fourier coefficients
- signal processing
- fourier domain
- fourier analysis
- radon transform
- phase difference
- polar coordinates
- low frequency
- fourier descriptors
- discrete fourier transform
- power spectral density
- vertex set
- correlation function
- bandpass
- image representation
- feature extraction