DROWSINESS ESTIMATION RULE UPDATE DEVICE AND DROWSINESS ESTIMATION RULE UPDATE PROGRAM

摘要

PROBLEM TO BE SOLVED: To update a drowsiness estimation rule for accurate drowsiness estimation regardless of individual differences.SOLUTION: A drowsiness estimation rule update device includes RRI acquisition means 21 for acquiring RRI data, index value calculation means 22 for calculating an index value on a plurality of kinds of indexes concerning an activity of an autonomic nerve based on the RRI data, storage means in which a drowsiness estimation rule is stored, drowsiness data acquisition means 51 for acquiring information output from a drowsiness information output device 40 for outputting information on the presence or absence of drowsiness which is the information acquired from a subject or the information acquired by analyzing a biological state of the subject, reference data generation means 52 for generating reference data for evaluating propriety of the drowsiness estimation rule using the drowsiness data, and update means 53 for updating the drowsiness estimation rule stored in the storage means based on the index value and the reference data.SELECTED DRAWING: Figure 1