Smile detection in unconstrained scenarios using self-similarity of gradients features.
Hong LiuYuan GaoPingping WuPublished in: ICIP (2014)
Keyphrases
- false positives
- feature extraction
- false alarms
- feature vectors
- image features
- feature set
- real world
- automatic detection
- detection rate
- prior knowledge
- low level
- classification accuracy
- object detection
- detection algorithm
- detection accuracy
- benchmark datasets
- video data
- anomaly detection
- co occurrence
- feature space
- training data
- feature selection
- computer vision