A Simultaneous Div-Curl 2D Clifford Fourier Transform Filter for Enhancing Vortices, Sinks and Sources in Sampled 2D Vector Field Images.
Hoda MohammadzadeLeonard T. BrutonPublished in: ISCAS (2007)
Keyphrases
- vector field
- fourier transform
- gradient field
- log polar
- fourier domain
- critical points
- frequency domain
- discrete fourier transform
- fourier analysis
- image data
- signal processing
- optical flow
- input image
- spectral estimation
- fourier coefficients
- velocity field
- edge detection
- polar coordinates
- image registration
- fast fourier transform
- three dimensional
- radon transform
- bandpass
- flow field
- deformation field
- motion field
- displacement vectors
- image features
- linear filters
- feature points
- motion estimation
- correlation function
- pattern recognition