| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving concentration determination method and a device therefor, reducing non-determinable period while maintaining high determination accuracy. SOLUTION: In this method of measuring a behavior or operation quantity of a vehicle by a sensor 1 for determining driving concentration from a determination signal extracted from the measured signal, the determination signals are statistically processed for a predetermined time period, a short-term determination reference value Ki used for the succeeding predetermined time period is determined based on the statistically processed result within the predetermined time period, and it is determined that driving concentration does not exist when the determination signal X exceeds the short-term determination reference value Ki. COPYRIGHT: (C)2007,JPO&INPIT
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