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Lung Cancer Screening Classification by Sequential Multi-Instance Learning (SMILE) Framework With Multiple CT Scans

delete2025-08-01
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PRE
AI
W
Wangyuan Zhao
Y
Yuanyuan Fu
Y
Yujia Shen
L
Lu Zhao
X
Xiaolong Fu
张溥明 封面图
张溥明 (Pu-Ming Zhang)
赵俊 封面图
赵俊 (Jun Zhao)
DOI:10.1109/TMI.2025.3559143delete
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摘要

摘要

En 中文
使用计算机断层扫描(CT)进行肺癌筛查可通过早期检测肺癌有效提高生存率,肺癌通常以肺结节的形式被识别。连续的多张CT图像有助于确定结节的恶性程度,并在肺癌检测中发挥重要作用。开发有效的肺癌分类算法以从多张图像中实现准确结果(无需结节位置标注)至关重要,这能让放射科医生在预测恶性程度前无需承担标注结节位置的负担。本研究提出了序列多实例学习(SMILE)框架,用于基于多张CT扫描预测高风险肺癌患者。SMILE包含两个步骤:第一步是结节实例生成。我们采用了结合图像类别转换的结节检测算法,以在全肺图像中识别结节实例的位置。第二步是结节恶性程度预测。模型依据患者级别的标注进行监督,无需结节的精确位置。我们将多实例学习与时间特征提取嵌入融合框架中,有效提升了分类性能。SMILE通过在925例患者的数据集(182例恶性,743例良性)上进行五折交叉验证进行评估,每位患者有三张CT扫描图像,间隔期约为一年。实验结果表明,SMILE有潜力让放射科医生无需标注结节位置。源代码将可在https://github.com/wyzhao27/SMILE获取。
Keyword:
Lung cancer screening
pulmonary nodule malignancy prediction
multi-instance learning
multiple CT scans

期刊

IEEE Transactions on Medical Imaging 封面图
IEEE Transactions on Medical Imaging
IF:
9.8
论文数:
6.2K
被引数:
3.7W

机构

S
shanghai jiao tong university
学者数:
15.7W
论文数: 11.7W
被引数: 159
M
Memorial Sloan Kettering Cancer Center
学者数:
3.4W
论文数: 2.4W
被引数: 4.6W
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