Time-varying filter interpretation of Fourier transform and its variants.
Prasanta Kumar GhoshT. V. SreenivasPublished in: Signal Process. (2006)
Keyphrases
- fourier transform
- frequency domain
- fast fourier transform
- discrete fourier transform
- signal processing
- bandpass
- radon transform
- fourier analysis
- fourier domain
- fourier coefficients
- machine learning
- power spectral density
- power spectrum
- fourier descriptors
- median filter
- polar coordinates
- frequency spectrum
- log polar
- preprocessing step
- phase difference
- correlation function
- power system
- image quality