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Flow chart of the image processing for each camera. First the eyes are detected, after which the pixel coordinates of the pupil and glints are extracted. A reset counter is used to force the software to redetect the eyes only if no pupil or glints are detected in 30 consecutive frames. If only one eye is found, the software continues tracking that eye for 30 frames. After 30 frames, the eyes are redetected in order to continue binocular tracking
