BIF-Net:用于腹腔大动脉动脉瘤细分的边界信息融合网络
Mingyu Wan1, Jing Zhu1, Yue Che1
1School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, China.
Computers in biology and medicine
|October 11, 2024
概括
一个新的边界信息融合网络 (BIF-Net) 提高了腹腔大动脉瘤 (AAA) 分段的准确性. 这种方法增强了边界特征提取,优于现有的技术,用于更好的临床诊断和治疗规划.
科学领域:
- 医疗成像医学成像
- 计算机视觉 计算机视觉
- 生物医学工程 生物医学工程
背景情况:
- 准确的腹腔大动脉瘤 (AAA) 分段对于临床诊断和治疗计划至关重要.
- 现有的方法在AAA细分方面扎,原因是尺度的变化和船舶边界信息的不充分利用.
研究的目的:
- 引入一个新的网络,BIF-Net,专门设计用于改进AAA细分.
- 为了增强捕捉各种AAA形状和边界特征.
主要方法:
- 开发了结合Gabor和Sobel运算符的BIF-Net,通过GSDC模块丰富语义和本地化功能.
- 集成的GFFS和CSAM模块用于恢复采样过程中丢失的边界信息.
- 实现了边界特征损失函数以解决样本不平衡问题.
主要成果:
- BIF-Net实现了93.29% (手术前) 和91.01% (术后) 的Dice相似系数 (DSC) 准确率.
- 超越了最先进的方法,在各自的数据集上提高了DSC6.86%和3.85%.
- 在提取AAA细分的边界特征方面表现出卓越的性能.
结论:
- 在AAA细分精度方面,BIF-Net提供了显著的进步.
- 该网络强大的边界特征提取能力显示了AAA诊断和治疗中临床应用的巨大潜力.
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