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Adaptive Dual-path Spatial-Frequency Network for medical microstructure segmentation

delete2025-05-01
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PRE
AI
Q
Qihang Xie
K
Kuangrong Hao *
B
Bing Wei
H
He Ding
Y
Yumei Zhang
L
Lihong Ren
F
Fei Yang
DOI:10.1016/j.eswa.2025.127032delete
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摘要

摘要

En 中文
微结构精确分割在医学领域至关重要,它直接影响下游任务的准确性。然而,该任务面临局部形态模糊、不规则全局结构以及数据集资源有限等挑战。为解决这些问题,我们提出了一种自适应双路径空间-频率网络(ADF_UNet)。该网络整合了频域增强模块,结合双路径空间特征编码,从前景和边缘中提取互补特征。随后,自适应融合模块整合双路径特征,实现局部形态细节的全面捕捉。为进一步处理不规则全局结构,模型在跳跃连接中引入了多尺度对角注意力(MDA)模块,有效捕捉各尺度特征。此外,由于编码器中设计了方向互补卷积核,ADF_UNet在少样本数据集上表现优异,降低了大型样本数据集的依赖性,并在数据有限的情况下保持高精度分割性能。实验结果表明,ADF_UNet在多种密集微结构数据集(包括Polyetherimide(PEI)、MoNuSeg、CPM17和DSB18)上表现优异,即使在资源受限的CPM15数据集上也能保持出色的分割精度。不同数据量(100%、75%、50%和25%)的缩减实验显示,随着数据减少,该模型优于其他方法,验证了其在医学图像分割任务中的有效性和鲁棒性。
Keyword:
Microstructure medical segmentation
Local morphological blurring
Irregular global structures
Few-shot datasets
Dual-path encoding
Multi-scale diagonal attention

期刊

Expert Systems with Applications 封面图
Expert Systems with Applications
IF:
7.5
论文数:
3.0W
被引数:
10.2W

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