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19/09/2014 at 11:50 #1685
There is an “Accuracy and precision test method for remote eye trackers”. This paper describes the comprehensive method for gaze accuracy and precision measurements that Tobii has adopted to facilitate performance comparisons of different remote eye tracking systems. This analysis is done offline, after the test.
The link is http://www.tobii.com/Global/Analysis/Training/Metrics/Tobii_Test_Specifications_Accuracy_and_PrecisionTestMethod_version%202_1_1_.pdf