API finds human faces in photos, videos, or live streams. It also finds and tracks positions of facial landmarks such as the eyes, nose, and mouth • classification
The Android Face API currently supports two classifications: eyes open and smiling. but iOS Face API currently supports only smiling classification. note: “eyes open” and “smiling” classification only works for frontal faces, that is, faces with at most about +/- 18 degrees.
appearing in a video for any length of time can be tracked. That is, faces that are detected in consecutive video frames can be identified as being the same person. Note: This is not face recognition
Face API is installed on a device, GMS will download a native library to the device in order to do face detection. A detector’s isOperational method can be used to check if the required native library is currently available
and words. a Block is a contiguous set of text lines, such as a paragraph or column, a Line is a contiguous set of words on the same vertical axis, and a Word is a contiguous set of alphanumeric characters on the same vertical axis.