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Magnetic resonance imaging (MRI) is critically important for brain mapping in both scientific research and clinical studies. Precise segmentation of brain tumors facilitates clinical diagnosis, evaluations, and surgical planning. Deep…

Image and Video Processing · Electrical Eng. & Systems 2023-05-01 Rui Nian , Guoyao Zhang , Yao Sui , Yuqi Qian , Qiuying Li , Mingzhang Zhao , Jianhui Li , Ali Gholipour , Simon K. Warfield

Medical image segmentation has witnessed significant advancements with the emergence of deep learning. However, the reliance of most neural network models on a substantial amount of annotated data remains a challenge for medical image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Xiaoxiao Wu , Xiaowei Chen , Zhenguo Gao , Shulei Qu , Yuanyuan Qiu

Automatic extraction of liver and tumor from CT volumes is a challenging task due to their heterogeneous and diffusive shapes. Recently, 2D and 3D deep convolutional neural networks have become popular in medical image segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Qiangguo Jin , Zhaopeng Meng , Changming Sun , Leyi Wei , Ran Su

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Mohsen Ghafoorian , Nico Karssemeijer , Tom Heskes , Inge van Uden , Clara Sanchez , Geert Litjens , Frank-Erik de Leeuw , Bram van Ginneken , Elena Marchiori , Bram Platel

Accurately segmenting a variety of clinically significant lesions from whole body computed tomography (CT) scans is a critical task on precision oncology imaging, denoted as universal lesion segmentation (ULS). Manual annotation is the…

Image and Video Processing · Electrical Eng. & Systems 2021-05-05 Youbao Tang , Jinzheng Cai , Ke Yan , Lingyun Huang , Guotong Xie , Jing Xiao , Jingjing Lu , Gigin Lin , Le Lu

Recent medical image segmentation models are mostly hybrid, which integrate self-attention and convolution layers into the non-isomorphic architecture. However, one potential drawback of these approaches is that they failed to provide an…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Jiansen Guo , Hong-Yu Zhou , Liansheng Wang , Yizhou Yu

Brain tumor segmentation is essential for diagnosis and treatment planning, yet many CNN and U-Net based approaches produce noisy boundaries in regions of tumor infiltration. We introduce UAMSA-UNet, an Uncertainty-Aware Multi-Scale…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Satyaki Roy Chowdhury , Golrokh Mirzaei

Unsupervised anomaly detection aims to build models to effectively detect unseen anomalies by only training on the normal data. Although previous reconstruction-based methods have made fruitful progress, their generalization ability is…

Machine Learning · Computer Science 2022-01-04 Yuxin Zhang , Jindong Wang , Yiqiang Chen , Han Yu , Tao Qin

The high cure rate of cancer is inextricably linked to physicians' accuracy in diagnosis and treatment, therefore a model that can accomplish high-precision tumor segmentation has become a necessity in many applications of the medical…

Image and Video Processing · Electrical Eng. & Systems 2023-07-26 Zeqiu. Yu , Shuo. Han , Ziheng. Song

This paper proposes a 3D attention-based U-Net architecture for multi-region segmentation of brain tumors using a single stacked multi-modal volume created by combining three non-native MRI volumes. The attention mechanism added to the…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Maryann M. Gitonga

Meningiomas represent the most prevalent form of primary brain tumors, comprising nearly one-third of all diagnosed cases. Accurate delineation of these tumors from MRI scans is crucial for guiding treatment strategies, yet remains a…

Image and Video Processing · Electrical Eng. & Systems 2025-10-27 Mohammad Mahdi Danesh Pajouh , Sara Saeedi

Attention mechanism has been regarded as an advanced technique to capture long-range feature interactions and to boost the representation capability for convolutional neural networks. However, we found two ignored problems in current…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Zhu Baozhou , Peter Hofstee , Jinho Lee , Zaid Al-Ars

We introduce an accurate lung segmentation model for chest radiographs based on deep convolutional neural networks. Our model is based on atrous convolutional layers to increase the field-of-view of filters efficiently. To improve…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Sangheum Hwang , Sunggyun Park

An improved model of medical image segmentation for brain tumor is discussed, which is a deep learning algorithm based on U-Net architecture. Based on the traditional U-Net, we introduce GSConv module and ECA attention mechanism to improve…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Qiyuan Tian , Zhuoyue Wang , Xiaoling Cui

This paper delves into the challenges and advancements in the field of medical image segmentation, particularly focusing on breast cancer diagnosis. The authors propose a novel Transformer-based segmentation model that addresses the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Weijie He , Runyuan Bao , Yiru Cang , Jianjun Wei , Yang Zhang , Jiacheng Hu

Motivated by the increasing popularity of attention mechanisms, we observe that popular convolutional (conv.) attention models like Squeeze-and-Excite (SE) and Convolutional Block Attention Module (CBAM) rely on expensive multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Majedaldein Almahasneh , Xianghua Xie , Adeline Paiement

Segmenting the left atrial (LA) wall from late gadolinium enhancement magnetic resonance imaging (LGE-MRI) is challenging because of its thin geometry, low contrast, and limited expert annotations. We propose a model-agnostic meta-learning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Yusri Al-Sanaani , Rebecca Thornhill , Pablo Nery , Elena Pena , Robert deKemp , Calum Redpath , David Birnie , Sreeraman Rajan

Artificial intelligence, including deep learning models, will play a transformative role in automated medical image analysis for the diagnosis of cardiac disorders and their management. Automated accurate delineation of cardiac images is…

Image and Video Processing · Electrical Eng. & Systems 2025-06-27 Racheal Mukisa , Arvind K. Bansal

Segmentation in 3D scans is playing an increasingly important role in current clinical practice supporting diagnosis, tissue quantification, or treatment planning. The current 3D approaches based on convolutional neural networks usually…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Alexey Novikov , David Major , Maria Wimmer , Dimitrios Lenis , Katja Bühler

The attention mechanism can refine the extracted feature maps and boost the classification performance of the deep network, which has become an essential technique in computer vision and natural language processing. However, the memory and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Rui Li , Shunyi Zheng , Chenxi Duan , Jianlin Su , Ce Zhang