Analyzing the approximation error of the fast graph Fourier transform.
Luc Le MagoarouNicolas TremblayRémi GribonvalPublished in: ACSSC (2017)
Keyphrases
- fourier transform
- approximation error
- frequency domain
- signal processing
- fourier domain
- polar coordinates
- graph structure
- frequency spectrum
- fast fourier transform
- discrete fourier transform
- radon transform
- face recognition
- reconstruction error
- image quality
- machine learning
- multispectral
- higher order
- multiscale
- correlation function
- fourier coefficients
- hartley transform