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Pediatric brain tumor segmentation presents unique challenges due to the rarity and heterogeneity of these malignancies, yet remains critical for clinical diagnosis and treatment planning. We propose an ensemble approach integrating…

Image and Video Processing · Electrical Eng. & Systems 2025-10-13 Yuxiao Yi , Qingyao Zhuang , Zhi-Qin John Xu , Xiaowen Wang , Yan Ren , Tianming Qiu

Automatic MRI brain tumor segmentation is of vital importance for the disease diagnosis, monitoring, and treatment planning. In this paper, we propose a two-stage encoder-decoder based model for brain tumor subregional segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2021-05-18 Chenggang Lyu , Hai Shu

Wasserstein distributionally robust optimization (DRO) aims to find robust and generalizable solutions by hedging against data perturbations in Wasserstein distance. Despite its recent empirical success in operations research and machine…

Machine Learning · Computer Science 2022-05-03 Rui Gao

Distributionally robust optimization has emerged as an attractive way to train robust machine learning models, capturing data uncertainty and distribution shifts. Recent statistical analyses have proved that generalization guarantees of…

Optimization and Control · Mathematics 2025-01-28 Tam Le , Jérôme Malick

Brain tumor segmentation plays an essential role in medical image analysis. In recent studies, deep convolution neural networks (DCNNs) are extremely powerful to tackle tumor segmentation tasks. We propose in this paper a novel training…

Image and Video Processing · Electrical Eng. & Systems 2020-10-29 Hieu T. Nguyen , Tung T. Le , Thang V. Nguyen , Nhan T. Nguyen

Quantitative analysis of brain tumors is critical for clinical decision making. While manual segmentation is tedious, time consuming and subjective, this task is at the same time very challenging to solve for automatic segmentation methods.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Fabian Isensee , Philipp Kickingereder , Wolfgang Wick , Martin Bendszus , Klaus H. Maier-Hein

The Dice score is widely used for binary segmentation due to its robustness to class imbalance. Soft generalisations of the Dice score allow it to be used as a loss function for training convolutional neural networks (CNN). Although CNNs…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Lucas Fidon , Wenqi Li , Luis C. Garcia-Peraza-Herrera , Jinendra Ekanayake , Neil Kitchen , Sebastien Ourselin , Tom Vercauteren

This paper presents the second-placed solution for task 8 and the participation solution for task 7 of BraTS 2024. The adoption of automated brain analysis algorithms to support clinical practice is increasing. However, many of these…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 André Ferreira , Gijs Luijten , Behrus Puladi , Jens Kleesiek , Victor Alves , Jan Egger

Automatic segmentation is essential for the brain tumor diagnosis, disease prognosis, and follow-up therapy of patients with gliomas. Still, accurate detection of gliomas and their sub-regions in multimodal MRI is very challenging due to…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Ramy A. Zeineldin , Mohamed E. Karar , Oliver Burgert , Franziska Mathis-Ullrich

Brain tumor segmentation is crucial for diagnosis and treatment planning, yet challenges such as class imbalance and limited model generalization continue to hinder progress. This work presents a reproducible evaluation of U-Net…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Saumya B

Accurate detection and segmentation of brain tumors in magnetic resonance imaging (MRI) are critical for effective diagnosis and treatment planning. Despite advances in convolutional neural networks (CNNs) such as U-Net, existing models…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Sashank Makanaboyina

Accurately segmenting brain tumors from MRI scans is important for developing effective treatment plans and improving patient outcomes. This study introduces a new implementation of the Columbia-University-Net (CU-Net) architecture for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Qimin Zhang , Weiwei Qi , Huili Zheng , Xinyu Shen

This study presents a unified Attention U-Net architecture trained jointly on MRI (BraTS 2021) and CT (LIDC-IDRI) datasets to investigate the generalizability of a single model across diverse imaging modalities and anatomical sites. Our…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Nishan Rai , Pushpa R. Dahal

This paper proposes an adversarial learning based training approach for brain tumor segmentation task. In this concept, the 3D segmentation network learns from dual reciprocal adversarial learning approaches. To enhance the generalization…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 Himashi Peiris , Zhaolin Chen , Gary Egan , Mehrtash Harandi

Accurate segmentation of brain tumors is vital for diagnosis, surgical planning, and treatment monitoring. Deep learning has advanced on benchmarks, but two issues limit clinical use: no uncertainty estimates for errors and no segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Andrew Zhou

The brain tumor segmentation task aims to classify tissue into the whole tumor (WT), tumor core (TC), and enhancing tumor (ET) classes using multimodel MRI images. Quantitative analysis of brain tumors is critical for clinical decision…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Saqib Qamar , Parvez Ahmad , Linlin Shen

Over the last decade, convolutional neural networks have emerged and advanced the state-of-the-art in various image analysis and computer vision applications. The performance of 2D image classification networks is constantly improving and…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Hicham Messaoudi , Ahror Belaid , Douraied Ben Salem , Pierre-Henri Conze

Inter reader variability and cross site domain shift challenge the automatic segmentation of prostate anatomy using T2 weighted MRI images. This study investigates whether transformer models can retain precision amid such heterogeneity. We…

Image and Video Processing · Electrical Eng. & Systems 2026-04-23 Shatha Abudalou , Jung Choi , Yasin Yilmaz , Yoganand Balagurunathan

Glioblastomas are the most aggressive fast-growing primary brain cancer which originate in the glial cells of the brain. Accurate identification of the malignant brain tumor and its sub-regions is still one of the most challenging problems…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Ramy A. Zeineldin , Mohamed E. Karar , Franziska Mathis-Ullrich , Oliver Burgert

The ASNR-MICCAI BraTS-Inpainting Challenge was established to mitigate dataset biases that limit deep learning models in the quantitative analysis of brain tumor MRI. This paper details our submission to the 2025 challenge, a novel deep…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Juexin Zhang , Ying Weng , Ke Chen