Dikablis Mobile Eye-Tracking System

Calibrating

- open dikablis recording software - open/create project and subject - adjust camera so that pupil is centered in square - define coordinates using known positions, e.g., corners of the screen, in calibration wizard - define centers of the markers in calibration wizard

Recording

- *on optitrak computer* use matlab script tom/josi optitrak scene_experiment.m - wait for network symbol to indicate 'connected' - press 'start record' -after the expreiemrnt is finished 'stop record' -run marker detector to detect markers in the raw video

Manual Recalibration

-only if you know where subject looked during particular frame

AOIs and Gaze Statistics

-dlab software -import dikablis- select a recording and scene .in0 left panel -can add area of interest either for whole project or particular subject, can calculate gaze statistics, e.g., how often/long looked at region -click new, define using left and right clicks, select marks, press ok -compute gaze behaviour