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使用卷积神经网络对胎儿心声学进行自动和准确的视图分类
Jiawei Shi1,2,3, Ying Bai1,2,3, Quanfei Hou1,2,3
1Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Quantitative imaging in medicine and surgery
|December 10, 2025
概括
卷积神经网络 (CNN) 准确地分类胎儿心声图的视图,帮助诊断先天性心脏病 (CHD). 这种人工智能方法自动查,提高产前护理的效率和准确性.
科学领域:
- 医疗成像医学成像
- 人工智能在医学中的应用
- 心脏病学 心脏病学
背景情况:
- 准确的胎儿心声图视图分类对于先天性心脏病 (CHD) 的产前诊断至关重要.
- 挑战包括低于最佳的图像质量和依赖专家解释.
- 需要使用深度学习框架进行自动分类,以提高诊断准确性和效率.
研究的目的:
- 评估各种基于卷积神经网络 (CNN) 的框架的性能,用于自动分类八种标准胎儿心声图.
- 为了比较不同CNN模型的准确性,并确定临床应用的最佳框架.
主要方法:
- 利用了来自953名胎儿的10,032张胎儿心声图像的数据集进行培训和验证,以及2,071张用于测试的图像.
- 训练了先进的CNN模型,包括ConvNeXt,来分类八个标准的胎儿心声图.
- 使用梯度加权类激活映射 (Grad-CAM) 来实现模型可解释性和决策过程的可视化.
主要成果:
- 基于ConvNeXt的模型以97.78%的整体测试准确度和96.08%的F1分数获得了最高的性能.
- 大多数观点都以超过95%的准确度被分类.
- 图像质量具有统计学上显著的影响 (P<0.001),但仍在临床上可接受的范围内;该模型确定了临床上相关的特征.
结论:
- CNNs显示出对胎儿心声图视图的准确和高效的自动分类有很大的潜力.
- 这种人工智能驱动的方法可以简化胎儿心脏查,并支持心脏病的诊断.
- 该研究强调了AI在改善产前诊断准确性的临床应用.
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