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US 2006/0215017 A1Published application
System and method for eye-tracking and blink detection
AssigneeMicrosoft Corporation
InventorsMichael Cohen, Jue Wang
Life of this patent
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Abstract
A real-time low frame-rate video compression system and method that allows the user to perform face-to-face communication through an extremely low bandwidth network. The system and method employs novel eye tracking and blink detection techniques in order to select images for transmission. Experimental results show that the system is superior to more traditional video codecs for low bit-rate face-to-face communication.
Claims16
A process for tracking eyes and detecting eye blinks, comprising the process actions of:
- defining eye templates for a person depicted in a video frame;
- inputting a video frame of the person's face;
- using a face detector to find a face box which surrounds the face of the person;
- searching the upper part of the face box for eyes using feature based matching to match image patches for each eye in the video frame to the eye templates.
1 more element
A system for detecting eye blinks, comprising:
- a general purpose computing device;
- and
- a computer program comprising program modules executable by the computing device, wherein the computing device is directed by the program modules of the computer program to,
- define eye templates for a person depicted in a video frame;
- input a sequence of video frames at least some of which containing image frames of the person;
- use a face detector to find a face;
- if a face is found, search the face for eyes using said eye templates and feature based matching wherein image patches for each frame in the video sequence are extracted and compared to the eye templates.
4 more elements
Dependencies are inferred from the claim text.