8
User
Manual
IR Marker Holder
IR Marker front
LED indicator
IR Marker
IR Marker Connection points
IR Marker ID
Placing the IR Marker in the IR Marker Holder.
The IR Markers are small devices that, when connected to a IR Marker Holder, communicate their exact location
to Tobii Glasses using infrared light. Each IR Marker Holder has a unique ID number. Tobii can supply up to 120
unique IDs for the IR Marker Holders. When the IR Markers are connected to an IR Marker Holder they are used to
define different areas on a scene that can later be used for analysis called Areas Of Analysis (AOA). The glasses
will receive and transmit the exact locations and position of these AOAs to the Recording Assistant. The collected
IR Marker location information is used by the Tobii Studio analysis software to map the gaze data of multiple
participants on a single picture of the AOA.
A single IR Marker, without an IR Marker Holder, is used during the calibration procedure as a flexible manually
moved calibration point.
IR Marker connection points
Removing the IR Marker from the IR Marker Holder.
IR Markers (InfraRed Markers)
Tobii Glasses introduction
The Tobii Glasses is a mobile eye tracking system with the option to use IR Markers to define so called Areas Of
Analysis (AOA´s) for automated data aggregation. AOA´s make it possible to obtain visualizations and statistics
from the collected eye tracking data. The Recording Assistant records the eye tracking data from the glasses
together with the video of the scene camera, sound from the build-in microphone and IR Marker position information
(captured by the integrated IR Marker sensor) to a memory card. The collected eye movement data can be overlaid
and aggregated for multiple participants using the Tobii Studio analysis software by defining a picture or “Snapshot”
of the AOA. Using the captured IR Marker position information the eye tracking data for multiple participants can be
mapped on this single Snapshot.
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