Decay of coefficients and approximation rates in Gabor Gaussian frames.
Théophile Chaumont-FreletMaxime IngremeauPublished in: CoRR (2022)
Keyphrases
- series expansion
- taylor series expansion
- gaussian convolution
- linear computational complexity
- matching pursuit
- basis functions
- generalized gaussian
- video frames
- polynomial approximation
- closed form
- error bounds
- frame rate
- spherical harmonics
- approximation algorithms
- feature space
- feature vectors
- face recognition
- moving objects
- gaussian mixture model
- marginal distributions
- impulse response
- image representation
- multiscale
- facet model
- linear combination
- wavelet features
- wavelet coefficients
- gabor wavelets
- image frames
- gaussian mixture
- gabor filters