Image-based face detection CAPTCHA for improved security.
Brian M. PowellAdam C. DayRicha SinghMayank VatsaAfzel NoorePublished in: Int. J. Multim. Intell. Secur. (2010)
Keyphrases
- face detection
- object detection
- detection rate
- detection accuracy
- detection method
- computer vision
- human faces
- adaboost algorithm
- face detector
- face recognition
- skin color
- eye detection
- user authentication
- face detection and recognition
- complex background
- robust face detection
- detecting faces
- human face detection
- real time face detection
- local binary pattern
- facial images
- haar like features
- landmark localization
- face localization
- tracking in video sequences
- cascade classifier
- facial features
- skin detection
- machine learning
- face verification
- intrusion detection
- frontal face
- face detection and tracking
- image sequences
- feature extraction
- skin color detection