Ultrasonic Holographic Fourier Spectroscopy via Optical Fourier Transforms.
Pal GregussWilhelm WaidelichPublished in: IEEE Trans. Computers (1975)
Keyphrases
- fourier transform
- frequency domain
- digital holography
- fourier domain
- fourier analysis
- signal processing
- radon transform
- infrared
- x ray
- liquid crystal
- signal and image processing
- fast fourier transform
- log polar
- discrete fourier transform
- fourier coefficients
- neural network
- polar coordinates
- image processing
- multiresolution
- multiscale
- spatial domain
- similarity measure
- feature extraction
- correlation function