Driver body information analysis for distraction state detection

For this study, we defined a "concentration state" when a driver performs only driving tasks, and a "distraction state" when a driver performs a driving task and a mental arithmetic task simultaneously. From results of these driving tests, we elucidate the characteristics of safety confirmation behaviors by near-misses according to differences between two driving conditions when approaching an intersection. Specifically, we examine the time-series variation of eye-gaze movements and face orientations before and after encountering a collision near-miss. From analyses conducted by dividing watching behaviors at the intersection approach and safety confirmation behaviors after a temporary stop, we extract behavioral patterns characterizing a "distraction state," acquiring findings to support the construction of a model for predicting risky driving.