Figure 6. Comparing Start and Finish based on the standard deviation of the visible degree. The standard deviation at Finish seems larger than that at Start for both Subjects A and B

From

Driver Attention Based on Eye-movement and Time-series Analysis - Concept of Driver State Detection Devices

Toshiya Arakawa

American Journal of Mechanical Engineering. 2017, 5(1), 18-23 doi:10.12691/ajme-5-1-4