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Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Sikha O K , Meritxell Riera-Marín , Adrian Galdran , Javier García Lopez , Julia Rodríguez-Comas , Gemma Piella , Miguel A. González Ballester

Background: Brain tumor segmentation has a significant impact on the diagnosis and treatment of brain tumors. Accurate brain tumor segmentation remains challenging due to their irregular shapes, vague boundaries, and high variability.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Zhanyuan Jia , Ni Yao , Danyang Sun , Chuang Han , Yanting Li , Jiaofen Nan , Fubao Zhu , Chen Zhao , Weihua Zhou

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

Tumor segmentation from multi-modal brain MRI images is a challenging task due to the limited samples, high variance in shapes and uneven distribution of tumor morphology. The performance of automated medical image segmentation has been…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Tianyi Ren , Ethan Honey , Harshitha Rebala , Abhishek Sharma , Agamdeep Chopra , Mehmet Kurt

The delineation of tumor target and organs-at-risk is critical in the radiotherapy treatment planning. Automatic segmentation can be used to reduce the physician workload and improve the consistency. However, the quality assurance of the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yihao Zhao , Cuiyun Yuan , Ying Liang , Yang Li , Chunxia Li , Man Zhao , Jun Hu , Wei Liu , Chenbin Liu

Transformer models have demonstrated the capability to produce highly accurate segmentation of organs and tumors. However, model training requires high-quality curated datasets to ensure robust generalization to unseen datasets. Hence, we…

Computer-aided segmentation of brain tumors from MRI data is of crucial significance to clinical decision-making in diagnosis, treatment planning, and follow-up disease monitoring. Gliomas, owing to their high malignancy and heterogeneity,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 MD Rashidul Islam , Bakary Gibba

Segmentation of colorectal cancerous regions from 3D Magnetic Resonance (MR) images is a crucial procedure for radiotherapy which conventionally requires accurate delineation of tumour boundaries at an expense of labor, time and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Yi-Jie Huang , Qi Dou , Zi-Xian Wang , Li-Zhi Liu , Ying Jin , Chao-Feng Li , Lisheng Wang , Hao Chen , Rui-Hua Xu

Uncertainty in medical image segmentation is inherently non-uniform, with boundary regions exhibiting substantially higher ambiguity than interior areas. Conventional training treats all pixels equally, leading to unstable optimization…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Jinming Zhang , Youpeng Yang , Xi Yang , Haosen Shi , Yuyao Yan , Qiufeng Wang , Guangliang Cheng , Kaizhu Huang

Accurate and reliable tumor segmentation is essential in medical imaging analysis for improving diagnosis, treatment planning, and monitoring. However, existing segmentation models often lack robust mechanisms for quantifying the…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Seyed Sina Ziaee , Farhad Maleki , Katie Ovens

Accurate delineation of pancreatic tumors is critical for diagnosis, treatment planning, and outcome assessment, yet automated segmentation remains challenging due to anatomical variability and limited dataset availability. In this study,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Keshav Jha , William Sharp , Dominic LaBella

Segmentation tasks in medical imaging are inherently ambiguous: the boundary of a target structure is oftentimes unclear due to image quality and biological factors. As such, predicted segmentations from deep learning algorithms are…

Image and Video Processing · Electrical Eng. & Systems 2019-11-18 Katharina Hoebel , Ken Chang , Jay Patel , Praveer Singh , Jayashree Kalpathy-Cramer

Automated segmentation of BUS images is important for precise lesion delineation and tumor characterization, but is challenged by inherent artifacts and dataset inconsistencies. In this work, we evaluate the use of a modified Residual…

Quality control (QC) of MR images is essential to ensure that downstream analyses such as segmentation can be performed successfully. Currently, QC is predominantly performed visually and subjectively, at significant time and operator cost.…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Richard Shaw , Carole H. Sudre , Sebastien Ourselin , M. Jorge Cardoso , Hugh G. Pemberton

Automated segmentation of Pancreatic Ductal Adenocarcinoma (PDAC) from MRI is critical for clinical workflows but is hindered by poor tumor-tissue contrast and a scarcity of annotated data. This paper details our submission to the PANTHER…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Omer Faruk Durugol , Maximilian Rokuss , Yannick Kirchhoff , Klaus H. Maier-Hein

One of the main requirements of tumor extraction is the annotation and segmentation of tumor boundaries correctly. For this purpose, we present a threefold deep learning architecture. First classifiers are implemented with a deep…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Shanaka Ramesh Gunasekara , H. N. T. K. Kaldera , Maheshi B. Dissanayake

Accurate brain tumor segmentation from MRI scans is critical for diagnosis and treatment planning. Despite the strong performance of recent deep learning approaches, two fundamental limitations remain: (1) the lack of reliable uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Bahram Mohammadi , Yanqiu Wu , Vu Minh Hieu Phan , Sam White , Minh-Son To , Jian Yang , Michael Sheng , Yang Song , Yuankai Qi

This research presents an enhanced approach for precise segmentation of brain tumor masses in magnetic resonance imaging (MRI) using an advanced 3D-UNet model combined with a Context Transformer (CoT). By architectural expansion CoT, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Thien-Qua T. Nguyen , Hieu-Nghia Nguyen , Thanh-Hieu Bui , Thien B. Nguyen-Tat , Vuong M. Ngo

Deep learning motivated by convolutional neural networks has been highly successful in a range of medical imaging problems like image classification, image segmentation, image synthesis etc. However for validation and interpretability, not…

Image and Video Processing · Electrical Eng. & Systems 2024-08-19 Abhinav Sagar

Automation of brain tumor segmentation in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Laura Mora Ballestar , Veronica Vilaplana
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