Keyphrases
- feature extraction
- frequency domain
- hilbert huang transform
- pattern recognition
- object recognition
- recognition accuracy
- pattern classification
- feature extractor
- preprocessing
- feature vectors
- signal processing
- image classification
- face recognition
- human recognition
- high frequency
- recognition rate
- spatio temporal
- feature fusion
- automatic recognition
- discriminant analysis
- signal analysis
- image processing
- non stationary
- wavelet transform
- principal component analysis
- feature representation
- facial expression recognition
- feature space
- spatial and temporal
- image recognition
- facial action units
- image preprocessing
- feature extraction and classification
- extracting features
- feature set
- temporal data
- temporal patterns
- temporal reasoning
- gait recognition
- recognition process
- dimension reduction
- recognition algorithm
- preprocessing stage
- action recognition
- gabor filters
- support vector machine svm