计算机科学 ›› 2018, Vol. 45 ›› Issue (6A): 506-507.
张宁
ZHANG Ning
摘要: 针对时间尺度变化特征差异较大的非图像多元时间序列,提出了一种卷积神经网络的扩维预处理方法。该方法应用样本统计特征和希尔伯特-黄变换来扩展维度,并加快网络的训练。文中将其用于生理数据分析并进行脉象分类。结果表明,进行扩维能够较大幅度地改善随机梯度算法的效率,同时该卷积网络方法能够较好地捕捉生理信号和脉象的特征关系。
中图分类号:
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