Keyphrases
- facial expressions
- wavelet transformation
- face recognition
- principal component analysis
- feature extraction
- fisher linear discriminant
- facial expression recognition
- gabor features
- face images
- wavelet transform
- multiresolution
- discriminant analysis
- gabor wavelets
- expression recognition
- human faces
- linear discriminant analysis
- facial images
- facial features
- wavelet decomposition
- three dimensional
- low frequency
- feature vectors
- dimensionality reduction
- independent component analysis
- low dimensional
- wavelet domain
- high frequency
- feature space
- image classification
- local binary pattern
- expression classification
- face databases
- video sequences
- wavelet features
- remote sensing images
- computer vision
- frequency domain
- wavelet analysis
- recognition of facial expressions
- gabor filters
- wavelet coefficients
- subspace learning
- facial actions
- face detection
- gait recognition
- high quality
- human computer interaction
- subband