preprocess.py 文件源码

def _get_amp(data, framerate, num_semg_row, num_semg_col):
    data = np.abs(data)
    data = np.transpose([lowpass(ch, 2, framerate, 4, zero_phase=True) for ch in data.T])
    return [median_filter(image, 3).mean() for image in data.reshape(-1, num_semg_row, num_semg_col)]