A deep ensemble learning framework for glioma segmentation and grading prediction

Abstract The segmentation and risk grade prediction of gliomas based on preoperative multimodal magnetic resonance imaging (MRI) are crucial tasks in computer-aided diagnosis. Due to the significant heterogeneity between and within tumors, existing methods mainly rely on single-task approaches, over...

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Main Authors: Liang Wen, Hui Sun, Guobiao Liang, Yue Yu
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-87127-z
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author Liang Wen
Hui Sun
Guobiao Liang
Yue Yu
author_facet Liang Wen
Hui Sun
Guobiao Liang
Yue Yu
author_sort Liang Wen
collection DOAJ
description Abstract The segmentation and risk grade prediction of gliomas based on preoperative multimodal magnetic resonance imaging (MRI) are crucial tasks in computer-aided diagnosis. Due to the significant heterogeneity between and within tumors, existing methods mainly rely on single-task approaches, overlooking the inherent correlation between segmentation and grading tasks. Furthermore, the limited availability of glioma grading data presents further challenges. To address these issues, we propose a deep-ensemble learning framework based on multimodal MRI and the U-Net model, which simultaneously performs glioma segmentation and risk grade prediction. We introduce asymmetric convolution and dual-domain attention in the encoder, fully integrating effective information from different modalities, enhancing the extraction of features from critical regions, and constructing a dual-branch decoder that combines spatial features and global semantic information for both segmentation and grading. In addition, we propose a weighted composite adaptive loss function to balance the optimization objectives of the two tasks. Our experimental results on the BraTS dataset demonstrate that our method outperforms state-of-the-art methods, yielding superior segmentation accuracy and precise risk grade prediction.
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institution Kabale University
issn 2045-2322
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spelling doaj-art-e02543e795ea470e987a46f3185f1df82025-02-09T12:34:06ZengNature PortfolioScientific Reports2045-23222025-02-0115111510.1038/s41598-025-87127-zA deep ensemble learning framework for glioma segmentation and grading predictionLiang Wen0Hui Sun1Guobiao Liang2Yue Yu3General Hospital of Northern Theater CommandCollege of Information Science and Engineering, Northeastern UniversityGeneral Hospital of Northern Theater CommandCollege of Information Science and Engineering, Northeastern UniversityAbstract The segmentation and risk grade prediction of gliomas based on preoperative multimodal magnetic resonance imaging (MRI) are crucial tasks in computer-aided diagnosis. Due to the significant heterogeneity between and within tumors, existing methods mainly rely on single-task approaches, overlooking the inherent correlation between segmentation and grading tasks. Furthermore, the limited availability of glioma grading data presents further challenges. To address these issues, we propose a deep-ensemble learning framework based on multimodal MRI and the U-Net model, which simultaneously performs glioma segmentation and risk grade prediction. We introduce asymmetric convolution and dual-domain attention in the encoder, fully integrating effective information from different modalities, enhancing the extraction of features from critical regions, and constructing a dual-branch decoder that combines spatial features and global semantic information for both segmentation and grading. In addition, we propose a weighted composite adaptive loss function to balance the optimization objectives of the two tasks. Our experimental results on the BraTS dataset demonstrate that our method outperforms state-of-the-art methods, yielding superior segmentation accuracy and precise risk grade prediction.https://doi.org/10.1038/s41598-025-87127-zGliomaDeep learningSegmentation and grading predictionAttention mechanismDeep-ensemble framework
spellingShingle Liang Wen
Hui Sun
Guobiao Liang
Yue Yu
A deep ensemble learning framework for glioma segmentation and grading prediction
Scientific Reports
Glioma
Deep learning
Segmentation and grading prediction
Attention mechanism
Deep-ensemble framework
title A deep ensemble learning framework for glioma segmentation and grading prediction
title_full A deep ensemble learning framework for glioma segmentation and grading prediction
title_fullStr A deep ensemble learning framework for glioma segmentation and grading prediction
title_full_unstemmed A deep ensemble learning framework for glioma segmentation and grading prediction
title_short A deep ensemble learning framework for glioma segmentation and grading prediction
title_sort deep ensemble learning framework for glioma segmentation and grading prediction
topic Glioma
Deep learning
Segmentation and grading prediction
Attention mechanism
Deep-ensemble framework
url https://doi.org/10.1038/s41598-025-87127-z
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