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PSwinUNet: Bridging Local and Global Contexts for Accurate Medical Image Segmentation with Semi-Supervised Learning Cover

PSwinUNet: Bridging Local and Global Contexts for Accurate Medical Image Segmentation with Semi-Supervised Learning

Open Access
|Sep 2025

Figures & Tables

Figure 1.

(a): We present the architecture of our PSwinUNet, a hybrid CNN-Transformer architecture. (b): TheSwin-Transformer block (c): The SCPSA module enhances cross-dimensional interactions from both channel and spatial aspects, compensating.
(a): We present the architecture of our PSwinUNet, a hybrid CNN-Transformer architecture. (b): TheSwin-Transformer block (c): The SCPSA module enhances cross-dimensional interactions from both channel and spatial aspects, compensating.

Figure 2.

Lustration of an efficient batch computation approach for self-attention in shifted window configuration.
Lustration of an efficient batch computation approach for self-attention in shifted window configuration.

Figure 3.

The visual segmentation results of various methods in the semisupervised experiment with 1/2 labeled data amounts on the BUSI, DRIVE, and CVC-ClinicDB datasets are displayed in Fig. 3. Notably, our PSwinUNet demonstrates relatively superior visualizations compared to other methods.
The visual segmentation results of various methods in the semisupervised experiment with 1/2 labeled data amounts on the BUSI, DRIVE, and CVC-ClinicDB datasets are displayed in Fig. 3. Notably, our PSwinUNet demonstrates relatively superior visualizations compared to other methods.

THE QUANTITATIVE RESULTS FOR DSC OF VARIOUS METHODS ON 1/8, 1/4, 1/2, AND FULL LABELED DATA AMOUNTS ARE PRESENTED

MethodDatasetLabeled Data Amount
1/81/41/2full
UNetBUSI DRIVE0.6120.6860.7440.7530.7910.8010.8360.844
CVC-ClinicDB0.5700.6910.7310.804
UNet++BUSI DRIVE0.5970.6910.7830.7440.8320.7950.8930.852
CVC-ClinicDB0.6020.6860.7510.804
SwinUNetBUSI DRIVE0.6880.7230.7610.7720.8690.8150.9520.846
CVC-ClinicDB0.7110.7450.8150.883
TransUNe tBUSI DRIVE0.7120.7380.7950.7910.8910.8420.9430.894
CVC-ClinicDB0.7320.7910.8440.934
UNet3+BUSI DRIVE0.6620.6630.7360.7200.8060.7910.8970.862
CVC-ClinicDB0.7050.8180.8640.907
PSwinUN etBUSI DRIVE0.7810.7400.8130.7860.8960.8720.9600.896
CVC-ClinicDB0.7500.8020.8740.939

ABLATION STUDY ON THE IMPACT OF SWIN-TRANSFORMER BLOCK ON BUSI DATASET_

MethodData Amount
1/81/41/2full
Baseline0.6120.7440.7910.836
PSwinUNet(w/o)0.6620.7960.8450.887
PSwinUNet(Ours)0.7810.8130.8960.960

ABLATION STUDY ON THE IMPACT OF PSA CONNECTION MODES ON BUSI DATASET_

Connection ModesData Amount
1/81/41/2full
None0.6920.7330.7910.855
Channel-only branch0.7020.7820.8580.891
Spatial-only branch0.7230.7570.8440.889
parallel layout0.7810.8130.8960.960
sequential layout0.7440.8220.8680.915
Language: English
Page range: 33 - 42
Published on: Sep 30, 2025
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2025 Zhixuan Zhao, Bailin Liu, Hongpei Zhang, Chentao Qian, Yijian Zhang, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.