Keyphrases
- facial images
- gender classification
- age estimation
- face recognition
- human faces
- classification accuracy
- face detection
- feature extraction
- face alignment
- support vector machine
- machine learning
- image database
- facial expressions
- feature space
- image classification
- decision trees
- feature selection
- facial landmarks
- estimation accuracy
- human perception
- feature vectors
- image retrieval
- object recognition
- learning algorithm