Face Detection

• Robust frontal face detection
• Detection of multiple faces in a photo
• Head rotation support:  –30..30 degrees of in-plane rotation and –30..30 degrees out-of-plane rotation
• Determines in-plane face rotation angle
• Detection speed: as fast as 241 frames per second^*, depending on resolution
  • Realtime detection: 0.0041 sec (241 FPS)^*, webcam resolution, –15..15 degrees of in-plane head rotation
  • Reliable detection: 0.267 sec^*, digicam resolution, –30..30 degrees of in-plane head rotation
• Returned information for each detected face: (x,y) coordinates of face center, face width and rotation angle
• Easy configuration of face detection parameters

Face Matching

• Matching of two faces at given FAR (False Acceptance Rate) and FRR (False Rejection Rate)
• Enrollment time: 0.02 seconds (50 FPS)^* (at webcam resoluton)
• Template Size: 16 kb
• Matching speed: 49700 faces per second^*
• Returned information: facial similarity level

Facial Feature Detection

• Detection of 66 facial feature points (eyes, eyebrows, mouth, nose, face contour)
• Detection time: 0.104 second^* (not including face detection stage)
• Allowed head rotation: –30..30 degrees of in-plane rotation, –10..10 degrees out-of-plane rotation
• Returned information: array of 66 (x,y) coordinates of each facial feature point

Eye Centers Detection

• Detection of eye centers only, detection time: 0.0064 seconds^* (not including face detection stage)
• Returned information: two (x,y) coordinates of left eye center and right eye center

Multi-Core Support

• The library uses all available processor cores when executing face detection or recognition functions, to maximize performance.

Library Size

• The size of the redistributables does not exceed 21MB for each platform.

^* Measured on Intel Core i7 930 processor with 8 threads

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