Approximation of matrices by Gabor multipliers.
Hans G. FeichtingerMario HampejsGünther KracherPublished in: IEEE Signal Process. Lett. (2004)
Keyphrases
- approximation error
- face recognition
- low rank approximation
- eigendecomposition
- feature vectors
- image representation
- error bounds
- approximation algorithms
- wavelet features
- queueing networks
- elementary functions
- neural network
- approximation schemes
- coefficient matrix
- gabor features
- gabor filters
- original data
- feature space
- feature extraction