The potential for intuitive human-computer interfaces, allowing for greater interactivity, more intelligent behavior, and increased design flexibility.
Real-Time Eye-Tracking for Human-Computer Interaction
The ability to capture and use the direction the eyes point in while the subject is a distance away from the camera offers the potential for intuitive human-computer interfaces, allowing for greater interactivity, more intelligent behavior, and increased design flexibility.
The novel, simple system detects the face from a fixed, wide-angle camera, estimates a rough location for the eye region using an eye detector based on topographic features, and directs another active, pan-tilt-zoom camera to focus in on this eye region. An eye gaze estimation approach also enables a natural, non-intrusive point-of-regard (PoG) tracking. To allow for greater head pose freedom, a calibration approach finds the 3D eyeball location, eyeball radius, and fovea position, maps the eyeball sphere (creating a 3D iris disk) and computes the visual gaze direction.
Non-intrusive to user
Uses a regular camera (no infrared, no stereo cameras needed)
3D eye ball estimation
Feasible for gaze tracking over distance
There are numerous applications of the eye gaze tracking technology, including, but not limited to:
Actuation of vehicle control dashboard or instrument cluster operations.
Small or large surfaces, particularly large displays or projected wall or semi-transparent surfaces, including but not limited to LCD screens, computer screens, classroom boards, kiosks, etc.
Gaming devices, portable or otherwise, providing extra channels of interaction.
Intellectual Property Position:
U.S. Patent No. 8,885,882 and patent pending.