Generalized dual Gabor atoms and best approximations by Gabor family.
Sigang QiuPublished in: Signal Process. (1996)
Keyphrases
- gabor filters
- face recognition
- feature extraction
- wavelet features
- feature space
- feature vectors
- gabor wavelets
- gabor features
- image representation
- linear combination
- gabor filtering
- elementary functions
- special case
- neural network
- directional features
- rotation and scale invariant
- image copy detection
- database
- matching pursuit
- facial expression recognition
- closed form
- texture features
- distance measure