Keyphrases
- detection method
- experimental evaluation
- principal components
- cost function
- computational complexity
- preprocessing
- segmentation method
- significant improvement
- computationally efficient
- high accuracy
- classification method
- clustering method
- optimization algorithm
- edge detection
- dynamic programming
- objective function
- genetic algorithm
- facial expressions
- detection algorithm
- classification accuracy
- feature space
- covariance matrix
- dimension reduction
- computer vision