Professor Ralf Engbert of the University of Potsdam, Germany, has published a technical paper (http://tinyurl.com/gn5jyw3) on SMI’s 120Hz native, binocular eye tracking. His findings support the trend of high-end tracking research going mobile in certain applications. In the past, velocity-based detection of saccades (rapid movements of the eye) have been the preserve of desktop systems, with sampling rates up to 1,000Hz. However, Engbert said that the system is “in remarkably good agreement with the benchmark data” from 1,000 Hz trackers.
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