DAUNet: A deformable aggregation UNet for multi-organ 3D medical image segmentation

IF 3.9 3区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pattern Recognition Letters Pub Date : 2025-03-11 DOI:10.1016/j.patrec.2025.03.005
Qinghao Liu, Min Liu, Yuehao Zhu, Licheng Liu, Zhe Zhang, Yaonan Wang
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Abstract

Medical image segmentation is a critical component of medical image analysis. However, due to the limitations in the size and shape of the receptive field, neural networks often struggle to adapt to segmentation targets of different sizes in 3D medical images. Furthermore, they may not be able to adequately model the intra-slice and inter-slice relationships in 3D medical images. To overcome these challenges, we propose a Deformable Aggregation UNet (DAUNet) for multi-organ segmentation in medical images. We introduce two specially designed modules into the UNet structure, which is composed of residual blocks. Specifically, the Deformable Aggregation Module (DAM) incorporates deformable receptive fields and gate fusion methods. This enhances the fusion of information from various hierarchical levels, enabling DAUNet to adapt to the segmentation of multiple organs or structures at different scales within the abdominal region. Simultaneously, the Fourier Attention Module (FAM) leverages Fourier convolution to enhance long-range dependencies and relationships within the entire 3D volume of medical images, accommodating the detailed structural variations in different directions. The network was assessed on three publicly available datasets (ACDC, BTCV, and BraTS-Africa2024), as well as a private clinical dataset for the TME-CT segmentation task. Compared to existing state-of-the-art (SOTA) methods, DAUNet achieves superior performance, with improvements of 0.96%, 2.52%, 1.60%, and 4.57% in average Dice scores across the four datasets, respectively.
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来源期刊
Pattern Recognition Letters
Pattern Recognition Letters 工程技术-计算机:人工智能
CiteScore
12.40
自引率
5.90%
发文量
287
审稿时长
9.1 months
期刊介绍: Pattern Recognition Letters aims at rapid publication of concise articles of a broad interest in pattern recognition. Subject areas include all the current fields of interest represented by the Technical Committees of the International Association of Pattern Recognition, and other developing themes involving learning and recognition.
期刊最新文献
MSNet: Multi-task self-supervised network for time series classification Editorial Board Bi-focus cosine complement network for few-shot fine-grained image classification Enhancing visual adversarial transferability via affine transformation of intermediate-level perturbations DAUNet: A deformable aggregation UNet for multi-organ 3D medical image segmentation
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