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    TRAINING METHOD AND SYSTEM FOR ELECTROENCEPHALOGRAM SIGNAL NOISE REDUCTION MODEL FOR ELECTROENCEPHALOGRAM COLLECTION DEVICE
    1.
    发明公开
    TRAINING METHOD AND SYSTEM FOR ELECTROENCEPHALOGRAM SIGNAL NOISE REDUCTION MODEL FOR ELECTROENCEPHALOGRAM COLLECTION DEVICE 审中-实审

    公开(公告)号：EP4420609A1

    公开(公告)日：2024-08-28

    申请号：EP22903596.9

    申请日：2022-12-09

    申请人： Sichuan Neosource Biotektronics Limited

    发明人： ZHANG, Jiawei ,  CHEN, Chao

    IPC分类号： A61B5/369 ,  A61B5/372

    摘要： A method and system for training an EEG signal denoising model of an EEG collection device (120) is provided. The method includes generating an analog EEG signal (110) and obtaining a collected EEG signal by collecting the analog EEG signal (110) through the EEG collection device (120). The collected EEG signal contains a noise caused by the EEG collection device (120). The method further includes obtaining the EEG signal denoising model of the EEG collection device (120) by training a denoising model (140) based on the collected EEG signal. The training includes obtaining a denoised EEG signal (150) by processing the collected EEG signal through the denoising model (140); obtaining a discrimination result by processing the denoised EEG signal (150) through a discriminant model; and adjusting a model parameter of the denoising model (140) based on the discrimination result. The discrimination result reflects a probability that the discriminant model determines that the processed denoised EEG signal is a clean EEG signal.

    BRAIN WAVE MEASUREMENT DEVICE
    3.
    发明公开
    BRAIN WAVE MEASUREMENT DEVICE 审中-实审

    公开(公告)号：EP4400052A1

    公开(公告)日：2024-07-17

    申请号：EP22867351.3

    申请日：2022-09-06

    申请人： Sumitomo Pharma Co., Ltd.

    发明人： YOSHIMIZU, Minoru ,  OCHIAI, Yasushi ,  MASAYOSHI, Sadao

    IPC分类号： A61B5/369 ,  A61B5/256 ,  A61B5/291

    CPC分类号： A61B5/291 ,  A61B5/369 ,  A61B5/256

    摘要： An object of the present invention is to provide a wearable brain wave measurement device having a structure that can achieve both of improvement of durability and improvement of fitting feeling in order to contribute to improvement of the quality of a brain wave signal to be measured. The present invention provides a brain wave measurement device wearable on a living body head, the brain wave measurement device including a housing unit including at least a central front-side component, a left front-side component, a right front-side component, and a rear-side component, the housing unit having a curved shape such that the housing unit is disposed along the living body head from a left temporal region through a frontal region to a right temporal region at a time of wearing, at least one measurement electrode that is fixed to the rear-side component and comes into contact with the frontal region at the time of wearing, and a signal processing unit housed in the housing unit, the signal processing unit processing an electric signal obtained via the measurement electrode. Rigidities of at least two components among the central front-side component, the left front-side component, the right front-side component, and the rear-side component are different from each other.