Eight-point discrete Hartley transform as an edge operator and its interpretation in the frequency domain.
Rae-Hong ParkKang Sik YoonWoo Young ChoiPublished in: Pattern Recognit. Lett. (1998)
Keyphrases
- frequency domain
- hartley transform
- fourier transform
- fast fourier transform
- discrete fourier transform
- spatial domain
- directional filtering
- fourier domain
- low frequency
- denoising
- cross correlation
- feature extraction
- fourier analysis
- discrete cosine transform
- radon transform
- edge detection
- subband
- transform domain
- log polar
- filter bank
- signal processing
- power spectra
- edge information
- spectral analysis
- computational complexity
- image segmentation