DMR-KAN: A 3D Medical Image Segmentation Method Based on Multi-Scale Region Enhancement

FANG Ding-yi; CHENG Huan-xin; LUO Xiao-ling; WANG Ruo-zheng

doi:10.12263/DZXB.20250379

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DMR-KAN: A 3D Medical Image Segmentation Method Based on Multi-Scale Region Enhancement

PAPERS | 更新时间：2025-12-27

- DMR-KAN: A 3D Medical Image Segmentation Method Based on Multi-Scale Region Enhancement
- ACTA ELECTRONICA SINICA Vol. 53, Issue 8, Pages: 2818-2829(2025)
- 作者机构：
  
  1.青岛科技大学自动化与电子工程学院，山东青岛 266061
  2.青岛科技大学机电工程学院，山东青岛 266061
  3.新疆医科大学附属肿瘤医院放疗中心，新疆乌鲁木齐 830022
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20250379
  CLC： TP391.41;
- Received：14 May 2025，
  
  Accepted：04 August 2025，
  
  Published：25 August 2025
- 稿件说明：
移动端阅览
方丁毅, 程换新, 骆晓玲, 等. DMR-KAN：基于多尺度区域强化的三维肿瘤影像分割方法[J]. 电子学报, 2025, 53(08): 2818-2829.

FANG Ding-yi, CHENG Huan-xin, LUO Xiao-ling, et al. DMR-KAN: A 3D Medical Image Segmentation Method Based on Multi-Scale Region Enhancement[J]. Acta Electronica Sinica, 2025, 53(08): 2818-2829.
方丁毅, 程换新, 骆晓玲, 等. DMR-KAN：基于多尺度区域强化的三维肿瘤影像分割方法[J]. 电子学报, 2025, 53(08): 2818-2829. DOI：10.12263/DZXB.20250379

FANG Ding-yi, CHENG Huan-xin, LUO Xiao-ling, et al. DMR-KAN: A 3D Medical Image Segmentation Method Based on Multi-Scale Region Enhancement[J]. Acta Electronica Sinica, 2025, 53(08): 2818-2829. DOI：10.12263/DZXB.20250379

摘要

KAN（Kolmogorov-Arnold Networks）模型通过新的线性函数拟合方式使得图像分割的精准度得到提升.然而，其拟合角度单一、提取标签位置信息差等问题，导致其对标签细节特征信息的处理能力较差，令网络精度提升受限.针对上述问题，设计了多尺度双通道三维影像分割模型，该模型通过整合多角度三维影像输入，将多角度KAN模块与多尺度卷积加权残差通道相结合，显著增强了网络对图像微小特征的提取能力.在网络注意力机制方面，设计了多视角自注意力残差模块，该模块通过多维度特征交互有效捕获标签空间位置信息，使占比较低（<10%）的标签区域仍能保持优异的分割精度.模型在BraTS2021 MRI多模态三维脑肿瘤数据集与LiTS2017肝肿瘤CT三维数据集中进行实验.改进模型精准度分别为86.54%与88.07%；在脑肿瘤数据集中，增强肿瘤、全部肿瘤和肿瘤核心区域的Dice评价指标达到83.67%、88.79%和85.28%，相较U-KAN网络分别提升3.38、2.85和1.62个百分点；在肝肿瘤数据集中，肝脏与肿瘤区域的Dice评价指标达到91.36%与84.77%，分别提升了1.69个百分点与1.02个百分点.实验结果表明该模型对三维肿瘤影像分割效果提升显著.

Abstract

The KAN (Kolmogorov-Arnold Networks) model enables the accuracy of image segmentation to be improved by a new linear function fitting method. However

the problems of single fitting angle and poor extraction of label position information lead to its poor ability to process the detailed feature information of labels

which limits the improvement of network accuracy. To address the above problems

a multi-scale dual-channel 3D image segmentation model is designed

which significantly enhances the network’s ability to extract minute features from images by integrating multi-angle 3D image inputs and combining the multi-angle KAN module with multi-scale convolutional weighted residual channels. In terms of the network attention mechanism

a multi-view self-attentive residual module is designed

which effectively captures the label spatial location information through multi-dimensional feature interactions

so that the label region with a relatively low percentage (<10%) can still maintain excellent segmentation accuracy. The model is experimented on BraTS2021 MRI multimodal 3D brain tumor dataset and LiTS2017 liver tumor CT 3D dataset. The accuracy of the improved model is 86.54% and 88.07%

respectively; in the brain tumor dataset

the Dice evaluation indexes of the enhanced tumor

all tumors

and tumor core region reach 83.67%

88.79%

and 85.28%

which are improved by 3.38

2.85

and 1.62 percentage points

respectively

compared with the U-KAN network; in the liver tumor dataset

the liver and tumor region’s Dice evaluation index reached 91.36% and 84.77%

which were improved by 1.69 percentage points and 1.02 percentage points

respectively. The experimental results show that the model improves the effect of 3D tumor image segmentation significantly.

关键词

Keywords

references

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