| Contour | A set of points that outlines a facial landmark or region such as eye, face, or lips. |
| Face | A human face detected in an image or video. |
| FaceDetector | Detector for finding Faces in a
supplied image. |
| FaceDetector.Builder | Builder for creating face detector instances. |
| Landmark | A point on a detected face, such as an eye, nose, or mouth. |
| LargestFaceFocusingProcessor | Face processor that focuses on tracking a single
"prominent face", in conjunction with the associated FaceDetector. |
| LargestFaceFocusingProcessor.Builder | Builder for creating a LargestFaceFocusingProcessor. |