Keyphrases
- facial feature extraction
- sift descriptors
- face identification
- facial expression recognition
- keypoints
- image matching
- discriminative power
- visual words
- facial images
- face detection
- facial features
- image features
- face recognition
- feature representation
- affine invariant
- bag of features
- local binary pattern
- image search
- facial expressions
- object recognition
- linear combination
- image representation