AUTOMATIC PUPILLARY DISTANCE MEASUREMENT SYSTEM AND MEASURING METHOD

摘要

Method for automatically measuring pupillary distance includes extracting facial features of face image, a head current center indicator is shown/displayed based on facial feature extraction, elliptical frame and target center indicator are shown, a first distance between head current center indicator and target center indicator is calculated to see if below a threshold range, then allowing head current center indicator, elliptical frame and target center indicator to disappear. Card window based on facial tracking result is shown. Credit card band detection is performed to see if located within card window. Card window then disappear. Elliptical frame of moving head and target elliptical frame are shown. Elliptical frame of the moving head is aligned with the target elliptical frame and maintaining a correct head posture. If elliptical frame of moving head is aligned with target elliptical frame, then allow them to disappear from view, and performing a pupillary distance measurement.

主权项

1. An automatic pupillary distance (PD) measuring method using a camera and an user interface (UI), wherein the measuring method is performed using a processor of an electronic device, comprising:
notifying a user to move his head position to a center of a captured face image; notifying the user to place a credit card inside a card window; notifying the user to move his head forward or backward to fit within a target elliptical frame, thereby maintaining a correct head posture; and obtaining a measurement of a pupil distance of the user.