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    • 70. 发明专利
    • Muscle-activity diagnosis apparatus, method, and program
    • 肌肉活动诊断设备,方法和程序
    • JP2012000228A
    • 2012-01-05
    • JP2010137099
    • 2010-06-16
    • Sony Corpソニー株式会社
    • TOMITA TAKASHISANO AKANEOBA HARUO
    • A61B5/0488
    • A61B5/0488A61B5/4519A61B5/7253A61B5/7257
    • PROBLEM TO BE SOLVED: To provide a muscle-activity diagnosis apparatus that is capable of efficiently obtaining a change in myoelectric potential without much trouble in daily life, and is capable of identifying activity states of human muscles that are changing every moment.SOLUTION: A signal output from an input-signal processing section 41 is subjected to Hilbert transformation by a Hilbert transformation section 43 after processed by an AD converter 42. An inverse-Fourier-transformation section 44 performs inverse Fourier transformation with respect to the result of the Hilbert transformation, and generates signals having waveforms with their phase shifted by 90°. A phase-diagram generation section 45 generates a phase diagram based on an original signal and the transformed signal, and a phase-velocity calculation section 46 calculates a phase velocity based on the phase diagram. A state detection section 47 identifies facial motion and expression, etc. of the user 20 based on the signal output from the AD converter 42 and that output from the phase-velocity calculation section 46.
    • 要解决的问题:提供能够有效地获得肌电位变化而在日常生活中没有太多麻烦的肌肉活动诊断装置,并且能够识别每一刻都在变化的人肌肉的活动状态。 解决方案:在由AD转换器42处理之后,从输入信号处理部分41输出的信号由希尔伯特变换部分43进行希尔伯特变换。傅里叶逆变换部分44对相对于 希尔伯特变换的结果,并产生具有相移90°的波形的信号。 相位图生成部45基于原始信号和变换信号生成相位图,相位速度计算部46基于相位图来计算相位速度。 状态检测部47基于从AD转换器42输出的信号和从相位速度计算部46输出的信号来识别用户20的面部动作和表情等。(C)2012,JPO&INPIT