预训练的卷积神经网络从语音样本的谱图图像中识别帕金森病
Yasir Rahmatallah1, Aaron Kemp1, Anu Iyer2
1University of Arkansas for Medical Sciences.
Research square
|January 7, 2025
概括
这项研究验证了使用语音录音检测帕金森病的深度学习模型. 这种方法在有限带宽的电话数据和宽带宽的智能手机数据上都具有相似的性能,优于传统方法.
科学领域:
- 神经学 神经学
- 计算机科学 计算机科学
- 生物医学工程 生物医学工程
背景情况:
- 机器学习,特别是深度学习,对自动检测帕金森病有很大的希望.
- 语音录音是帕金森病分析的方便和非侵入性数据来源.
- 之前的研究开发了一个卷积神经网络 (CNN),用于使用带宽有限的语音数据检测帕金森病.
研究的目的:
- 为了评估CNN转移学习方法在更大,宽带智能手机语音数据集上的性能.
- 为了比较线性尺度与MEL尺度光谱图在帕金森病检测中的有效性.
- 将CNN转移学习方法与传统机器学习方法进行比较.
主要方法:
- 使用带有转移学习的卷积神经网络 (CNN) 来分析持续元音 /a/ 的光谱图像.
- 使用有限带宽的电话线和宽带宽的智能手机收集了语音数据集.
- 将线性尺度和MEL尺度光谱图之间的分类性能进行了比较.
主要成果:
- 通过CNN转移学习方法,在有限带宽的电话和宽带宽的智能手机数据集中表现相似.
- 在两个录音平台之间观察到功能重要性的显著差异,归因于带宽限制.
- 与线性尺度谱图相比,Mel尺度谱图在分类性能方面取得了小但统计学上显著的改善.
- 在CNN转移学习方法的表现优于传统的机器学习技术.
结论:
- 开发的CNN转移学习方法对于使用语音数据检测帕金森病是有效的,无论记录带宽如何.
- 对于这个分类任务,Mel尺度谱图提供了轻微的优势.
- 深度学习模型,如转移学习的CNN,比传统的基于语音的帕金森病检测方法提供更高的性能.
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