ManiNeg:为乳房扫描查提供以现象为导向的多模式预培训
Xujun Li1, Xin Wei2, Jing Jiang1
1Department of Oncology, Ningbo NO.2 Hospital, Ningbo, China; Department of Breast Surgery, Ningbo NO.2 Hospital, Ningbo, China.
Computers in biology and medicine
|January 27, 2025
概括
这项研究介绍了ManiNeg,一种新的乳腺癌查方法,使用对比学习和医生观察的表现来选择硬负样本. ManiNeg改善了特征表示,以区分良性与恶性乳腺块.
科学领域:
- 医疗成像医学成像
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 乳腺癌是一个全球性的健康问题,需要先进的查工具.
- 对比式学习有效地从乳腺癌分析的乳房影像中提取病变特征.
- 硬负取样在对比性学习中对于详细的病变信息至关重要,但标准方法与乳房扫描数据扎.
研究的目的:
- 介绍ManiNeg,一种用于选择硬负样本的新方法,用于进行乳房检查的对比学习.
- 为了利用医生观察到的表现,作为有效的硬负样本选择的代理.
- 通过增强的特征表示,提高区分良性和恶性乳腺块的准确性.
主要方法:
- 开发了ManiNeg,一种使用表现的方法来识别对比学习中的硬负样本.
- 应用ManiNeg对乳房扫描数据进行特征提取和表示学习.
- 测试了ManiNeg在乳腺癌检测的单模和多模环境中的有效性.
- 创建并使用了MVKL乳房学数据集,包括多视图图像,报告,注释表现和确认结果.
主要成果:
- ManiNeg在单模和多模环境中显著改善了表示学习.
- 这种方法提高了数据集的性能,超出了最初的预训练阶段.
- ManiNeg在区分良性和恶性乳腺块方面表现出有效性.
结论:
- 马尼尼格提供了一种强大而有效的方法,用于使用表现的乳房影像中的硬阴性采样.
- 这种方法增强了用于乳腺癌查的对比学习,提高了诊断准确度.
- 公共可用的MVKL数据集和代码将促进人工智能驱动的乳房镜的未来研究.
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