On the non-separable discrete Gabor signal expansion and the Zak transform.
Arno J. van LeestMartin J. BastiaansPublished in: ISSPA (1999)
Keyphrases
- original signal
- translation invariant
- discrete fourier transform
- frequency domain
- face recognition
- hartley transform
- residual signal
- linear transform
- reversible watermarking
- fourier analysis
- signal processing
- matching pursuit
- transform coefficients
- short time fourier transform
- image representation
- feature extraction
- high frequency
- high pass
- perfect reconstruction
- gabor wavelets
- feature vectors
- orthogonal polynomials
- denoising
- impulse response
- gabor filters
- compressive sensing
- rotation and scale invariant
- non stationary
- continuous variables
- discrete geometry
- signal detection
- energy compaction
- low pass
- ridgelet transform
- spatial domain
- feature space
- multiscale
- image copy detection
- image coding