早孕期胎儿颜面部超声筛查切面图像质量评价系统的构建及验证
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1.福建医科大学附属泉州第一医院超声科;2.华侨大学工学院;3.泉州医学高等专科学校母婴健康服务应用技术协同创新中心

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福建省自然科学基金资助:2021J011404;泉州市科技计划资助:2022NS057;福建省自然科学基金项目(2023J011773)


To construct a quality evaluation system for facial ultrasound screening in the first trimester
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Department of Ultrasound,Quanzhou First Hospital Affiliated to Fujian Medical University

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Project supported by the Natural Science Foundation of Fujian Province, China(Grant No. 2021J011404);Project supported by the Quanzhou City Science & Technology Program of China(Grant No. 2022NS057)Project supported by the Natural Science Foundation of Fujian Province, China(Grant No. 2023J011773)

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    摘要:

    目的:构建一种基于YOLOv4模型的早孕期超声颜面部超声筛查切面自动识别及分数质量评价系统。方法:以妊娠11~14周早孕期颜面超声筛查切面为研究对象,含模型构建集1001张和临床验证集610张。模型构建包括训练集、测试集、验证集,用于训练和验证AI模型对正中矢状面(MSP)、鼻后三角切面(RNT)的分类与识别。以专家级超声医生分类为标准,比较分析AI与专家分类的一致性。结果:模型对测试集图片中各关键解剖结构的查准率、查全率和F1分数均达80%以上;模型对测试集识别性能与专家分类一致性强,MSP、RNT kappa值分别为0.888、0.810;模型对临床验证集图像识别与专家分类一致性良好,MSP、RNT kappa值分别为0.781、0.690;模型对临床验证集图像等级评估与专家评估一致性良好,MSP、RNT Kendall’s W分别为0.760、0.789。结论:AI对早孕期颜面部超声筛查切面分类具有较高准确性,可作为初级及基层医生的培训和图像质量评价的辅助方法。

    Abstract:

    Objective To construct an automatic recognition and score quality evaluation system for facial screening in early pregnancy based on the YOLOv4 model. Methods The facial screening images during 11~14 gestational weeks were selected as the research objects, including 1001 for model construction set and 610 for clinical verification set. The model construction included a training set, a test set and a validation set, which were used to train and verify the classification and recognition of the AI model on the midsagittal plane and the retronasal triangle. Taking expert photographer classification as the standard, the consistency between AI and expert classification was compared and analyzed. Results The precision, Recall, and F1-score of the model for the key anatomical structures in the test set were all above 80%. The recognition performance of the model on the test set was extremely consistent with the expert classification, with MSP and RNT kappa values of 0.888 and 0.810, respectively. The model was in favorable agreement with the expert classification in the clinical validation set, with MSP and RNT kappa values of 0.781 and 0.690, respectively. The image grade evaluation of the clinical validation set by the model was in perfect agreement with the expert evaluation, and the MSP and RNT Kendall''s W were 0.760 and 0.789, respectively. Conclusions AI has a strong accuracy in the classification of views for first-trimester screening, and can be used as an auxiliary method for the training and image quality evaluation of primary and primary care doctors.

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余卫峰,薛浩,吕国荣,刘中华,柳培忠,郭旭,吴秀明.早孕期胎儿颜面部超声筛查切面图像质量评价系统的构建及验证[J].临床超声医学杂志,2023,25(10):

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  • 收稿日期:2023-01-31
  • 最后修改日期:2023-09-01
  • 录用日期:2023-02-17
  • 在线发布日期: 2023-10-30
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