The discrete chirp fourier transform and scale-frequency signal analysis.
Cesar A. AcerosWilliam SánchezDomingo RodríguezPublished in: Circuits, Signals, and Systems (2004)
Keyphrases
- fourier transform
- signal analysis
- signal processing
- frequency spectrum
- discrete fourier transform
- hartley transform
- frequency domain
- fourier coefficients
- multiresolution
- pattern recognition
- low frequency
- feature extraction
- correlation function
- empirical mode decomposition
- image processing
- radon transform
- fast fourier transform
- independent component analysis
- non stationary
- filter bank
- scale space
- scale invariant
- multiscale
- natural images
- median filter
- high resolution
- spatial domain
- image analysis
- image restoration