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Related Experiment Video

Updated: Jan 18, 2026

Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images
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Diffusion Model with Relation-Aware Attention and Edge-Aware Constraint for Multi-Modal Brain Tumor Segmentation.

Xu Xu, Jing Yang, Dayu Hu

    IEEE Journal of Biomedical and Health Informatics
    |September 8, 2025
    PubMed
    Summary

    This study introduces Diff-RE, an improved diffusion model for multi-modal brain tumor segmentation. Diff-RE enhances feature aggregation and edge segmentation accuracy, outperforming existing methods on benchmark datasets.

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    Area of Science:

    • Medical image analysis
    • Artificial intelligence in medicine
    • Computational neuroscience

    Background:

    • Multi-modal brain tumor segmentation is crucial for disease diagnosis and monitoring.
    • Existing models struggle with weak feature aggregation and imprecise edge segmentation.

    Purpose of the Study:

    • To develop an advanced diffusion model, Diff-RE, for improved multi-modal brain tumor segmentation.
    • To address challenges in feature aggregation and boundary accuracy in brain tumor segmentation.

    Main Methods:

    • Developed Diff-RE, incorporating relation-aware attention and edge-aware constraints.
    • Utilized parallel encoders for feature extraction and channel-wise concatenation.
    • Implemented a relation-aware attention module for enhancing appearance features with global structural information.

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  • Introduced an edge-aware constraint module to refine segmentation boundaries.

    • Main Results:

    • Diff-RE demonstrated effectiveness in multi-modal brain tumor segmentation tasks.
    • The model showed superiority over peer methods in experimental evaluations.
    • Improved segmentation accuracy, particularly at tumor boundaries, was observed.

    Conclusions:

    • Diff-RE offers a significant advancement in multi-modal brain tumor segmentation.
    • The proposed model effectively tackles feature aggregation and edge segmentation challenges.
    • This approach holds promise for enhanced clinical diagnosis and monitoring of brain tumors.