Operation assisting method and operation assisting device

摘要

An operation assisting method comprising, comparing an input spoken voice with a preliminarily stored keyword associated with an operation target to obtain an evaluation value of likelihood that the keyword is included in the spoken voice, and determining whether or not the keyword was spoken, based on the evaluation value of likelihood where it is determined that the keyword was spoken if the evaluation value of likelihood exceeds a threshold value, detecting whether or not eyes of a user are directed at the operation target. A threshold value is decreased in cases where the eyes of the user are directed at the operation target and where the evaluation value of the spoken voice falls within a predetermined range.

主权项

1. An operation assisting method, comprising:
comparing input spoken voices with a preliminarily stored keyword associated with an operation target to obtain an evaluation value of likelihood between the input spoken voices and the preliminarily stored keyword; determining, based on the evaluation value, whether or not the preliminarily stored keyword is included in the input spoken voices by determining whether or not a first condition that the evaluation value is greater than a determination threshold value is satisfied, the preliminarily stored keyword being determined to be included in the input spoken voices when the first condition is satisfied; determining whether or not a second condition that sight lines of a speaker are directed at the operation target after the evaluation value is obtained within a predetermined range is satisfied; and decreasing the determination threshold value to a lesser value when the second condition is satisfied and performing a secondary determination of whether or not the first condition is satisfied.