转移学习视频分类 保存,中程和减少的左心室射出小部分在心声学中
Pierre Decoodt1, Daniel Sierra-Sosa2, Laura Anghel1
1Cardiologie, Centre Hospitalier Universitaire Brugmann, Faculté de Médecine, Université Libre de Bruxelles, Place Van Gehuchten 4, 1020 Brussels, Belgium.
Diagnostics (Basel, Switzerland)
|July 13, 2024
概括
自动机器学习有效地将左心室喷射分数 (EF) 从心声回声图中分类. 这种人工智能方法在临床环境中有望识别减少或保留EF.
科学领域:
- 心脏病学 心脏病学
- 人工智能的人工智能
- 医疗成像医学成像
背景情况:
- 准确评估左心室喷射率 (EF) 对于患者管理至关重要.
- 将EF分为降低 (rEF),中等范围 (mEF) 和保存 (pEF) 类别具有重要的临床意义.
- 传统的EF评估方法可能耗时,需要专门的专业知识.
研究的目的:
- 评估端到端视频分类的有效性,使用AutoML对左心室喷射小部分 (EF) 的分类.
- 评估人工智能模型在从心声回声记录中区分减少,中等范围和保存EF的性能.
- 使用转移学习建立自动化EF分类的概念验证.
主要方法:
- 利用谷歌Vertex AI AutoML来对来自斯坦福德EchoNet-Dynamic存储库的心声回声数据集进行端到端的视频分类.
- 在数据集平衡和75/25分列列车测试方面,雇员占多数的样本不足.
- 执行二元分类 (rEF与非rEF;非pEF与pEF) 和三元分类 (rEF,mEF,pEF).
主要成果:
- 对rEF与非rEF的二进制分类实现了高性能 (ROC AUC 0.939,准确率为0.863).
- 非pEF与pEF的二元分类显示出强的表现 (ROC AUC 0.917,准确率为0.829).
- 三级分类显示性能较低,特别是对于mEF类. 一个PyTorch的实施证实了可行性.
结论:
- 使用AutoML进行端到端的视频分类是分类左心室喷射分数 (EF) 的可行方法.
- 人工智能模型在二元分类任务中表现出强的表现,用于识别减少或保留的EF.
- 需要进一步的前性临床研究来评估这种自动化EF分类方法.
相关概念视频
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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
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TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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