Efficient Algorithms for Discrete Gabor Transforms on a Nonseparable Lattice.
Christoph WiesmeyrNicki HolighausPeter L. SøndergaardPublished in: IEEE Trans. Signal Process. (2013)
Keyphrases
- gabor transform
- wavelet transform
- face recognition
- discrete fourier transform
- laplacian operator
- gabor filters
- filter bank
- image copy detection
- lattice structure
- image representation
- b spline
- piecewise linear
- wavelet features
- discrete geometry
- tensor product
- image processing
- feature selection
- high frequency
- feature vectors
- discrete space
- binary patterns
- feature space
- similarity measure