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Automatic rib fracture detection on postmortem CT data using deep learning

delete2025-12-01
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OA
AI
M
Manel Lopez-Melia *
V
Virginie Magnin
S
Sami Schranz
V
Vincent Andrearczyk
A
Adrien Depeursinge
S
Stéphane Marchand‐Maillet
S
Silke Grabherr
DOI:10.1007/s00414-025-03669-xdelete
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摘要

摘要

En 中文
研究目的:评估现有深度学习(DL)模型nnDetection在死后(PM)CT扫描数据集中的自动肋骨骨折检测性能,并识别临床与PM CT影像之间域漂移的主要因素。 背景:在法医学调查中,肋骨骨折的检测与分类是一项耗时但至关重要的任务,有助于确定死亡原因。DL模型是很有前景的工具,近期研究表明,使用DL模型的放射科医生可在临床CT扫描中以更高的敏感度和更短时间检测肋骨骨折。 方法:回顾性收集并标注了50例PMCT扫描数据(女性24%;年龄:平均61岁,范围19—96岁),用于训练模型的第一实例nnDetPM。模型的另一实例nnDetClin则基于另一数据集RibFrac(660例临床CT扫描,女性36%;年龄:平均55岁,范围21—94岁)进行训练。 结果:在PM测试集中,nnDetPM达到平均敏感度70.2%和平均精确度(交并比为0.1时)78.1%,而nnDetClin表现显著落后,平均敏感度仅19.8%,平均精确度25.5%,表明从临床到PM CT数据的域漂移产生了显著影响。结果进一步分析显示,域漂移的主要因素为PMCT扫描中手臂的位置以及图像采集区域内医疗设备的存在。 结论:nnDetPM的平均敏感度达到70.2%,性能值得注意且与放射科医生相当。然而,必须探索更先进的技术,以判断DL模型能否克服域漂移因素。
Keyword:
Rib
Fracture
Detection
CT
Postmortem
Deep learning

期刊

I
International Journal of Legal Medicine
IF:
2.3
论文数:
256
被引数:
6.5K

机构

C
centre hospitalier universitaire vaudois (chuv)
学者数:
9.4K
论文数: 7.4K
被引数: 15
U
university of geneva
学者数:
3.6W
论文数: 2.9W
被引数: 35
引用论文

引用论文

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