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使用堆叠的残余密度网络模型的自动回声心脏学异常解释
Siti Nurmaini1, Ade Iriani Sapitri2,3, Bambang Tutuko2
1Intelligent System Research Group, Faculty of Computer Science, Universitas Sriwijaya, Palembang, 30139, Indonesia. siti_nurmaini@unsri.ac.id.
BMC bioinformatics
|September 27, 2023
概括
这项研究引入了一个人工智能模型用于自动回声心电图解读,改善心脏隔膜缺陷诊断. 该模型对异常进行细分,并对缺陷位置进行分类,帮助心脏病学家在临床实践中.
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:
- 心声解读对于诊断心脏隔膜异常至关重要,但耗时且容易出现人为错误.
- 目前的自动细分方法可以识别异常区域,但缺乏缺陷位置分类以进行完整的解释.
研究的目的:
- 开发一个堆叠的残余密度网络模型,用于对心脏异常在回声心脏图中的自动细分和缺陷位置分类.
- 创建一个通用模型,适用于产前和产后心声谱.
主要方法:
- 一个堆叠的残余密度网络被用于细分和分类.
- 该模型在1345个心声回声图上进行了训练,并在181个未见的心声回声图上进行了验证.
- 绩效使用交叉与联盟 (IoU),子相似系数 (DSC),平均精度 (mAP),准确度,特异性和灵敏度进行评估,并由五名心脏病学家进行验证.
主要成果:
- 该模型在验证数据上实现了58.17%的IOU,75.75%的DSC和76.36%的mAP.
- 在未见的数据上,性能指标是42.39%的IOU,55.72%的DSC和51.04%的mAP.
- 对未见数据的缺陷位置分类显示了高准确度 (92.27%),特异性 (94.33%) 和灵敏度 (92.05%).
结论:
- 拟议的人工智能模型显示出在临床实践中作为辅助诊断工具的潜力,用于心声回声学解释.
- 该模型对心脏异常进行细分和分类缺陷位置的能力提高了诊断能力.
- 对人类专家的验证表明,它对临床整合有很好的适应性.
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