An Optimal Frequency Domain Filter for Edge Detection in Digital Pictures.
K. Sam ShanmugamFred M. DickeyJames A. GreenPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (1979)
Keyphrases
- frequency domain
- optimal filter
- filter bank
- digital pictures
- edge detection
- directional filtering
- spatial domain
- fourier transform
- bandpass
- frequency response
- impulse response
- subband
- low pass
- cross correlation
- power spectrum
- denoising
- image coding
- low frequency
- frequency domain analysis
- fast fourier transform
- feature extraction
- multiscale
- frequency analysis
- gaussian filter
- line segments
- fourier domain
- noise reduction
- high pass
- spectrum analysis
- prolate spheroidal
- power spectra
- fourier analysis
- discrete fourier transform
- image processing
- image filtering
- frequency spectrum
- noisy images
- image enhancement
- image data
- multiresolution
- computational complexity
- computer vision