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We propose a novel Deep Active Learning (DeepAL) model-3D Wasserstein Discriminative UNet (WD-UNet) for reducing the annotation effort of medical 3D Computed Tomography (CT) segmentation. The proposed WD-UNet learns in a semi-supervised way…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Shiyi Wang , Yang Nan , Simon Walsh , Guang Yang

Learning a medical image segmentation model is an inherently ambiguous task, as uncertainties exist in both images (noise) and manual annotations (human errors and bias) used for model training. To build a trustworthy image segmentation…

Image and Video Processing · Electrical Eng. & Systems 2023-08-17 Xinyu Bai , Wenjia Bai

Inter-and intra-observer variation in delineating regions of interest (ROIs) occurs because of differences in expertise level and preferences of the radiation oncologists. We evaluated the accuracy of a segmentation model using the U-Net…

Accurate segmentation of brain tumors plays a key role in the diagnosis and treatment of brain tumor diseases. It serves as a critical technology for quantifying tumors and extracting their features. With the increasing application of deep…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Longfeng Shen , Yanqi Hou , Jiacong Chen , Liangjin Diao , Yaxi Duan

Lesion segmentation is a crucial step of the radiomic workflow. Manual segmentation requires long execution time and is prone to variability, impairing the realisation of radiomic studies and their robustness. In this study, a deep-learning…

Segmentation of cardiac structures is one of the fundamental steps to estimate volumetric indices of the heart. This step is still performed semi-automatically in clinical routine, and is thus prone to inter- and intra-observer variability.…

Recently, deep learning has become much more popular in computer vision area. The Convolution Neural Network (CNN) has brought a breakthrough in images segmentation areas, especially, for medical images. In this regard, U-Net is the…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Ange Lou , Shuyue Guan , Murray Loew

The rise of Transformer architectures has advanced medical image segmentation, leading to hybrid models that combine Convolutional Neural Networks (CNNs) and Transformers. However, these models often suffer from excessive complexity and…

Image and Video Processing · Electrical Eng. & Systems 2025-07-17 Yousef Sadegheih , Afshin Bozorgpour , Pratibha Kumari , Reza Azad , Dorit Merhof

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

Accurate medical image segmentation is crucial for diagnosis and analysis. However, the models without calibrated uncertainty estimates might lead to errors in downstream analysis and exhibit low levels of robustness. Estimating the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-16 Yanwu Yang , Xutao Guo , Yiwei Pan , Pengcheng Shi , Haiyan Lv , Ting Ma

Brain tumor segmentation is a critical task in medical image analysis, aiding in the diagnosis and treatment planning of brain tumor patients. The importance of automated and accurate brain tumor segmentation cannot be overstated. It…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Muhammad Ansab Butt , Absaar Ul Jabbar

This paper proposes a novel cascaded U-Net for brain tumor segmentation. Inspired by the distinct hierarchical structure of brain tumor, we design a cascaded deep network framework, in which the whole tumor is segmented firstly and then the…

Image and Video Processing · Electrical Eng. & Systems 2019-07-19 Hongying Liu , Xiongjie Shen , Fanhua Shang , Fei Wang

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

Airway segmentation is critical for virtual bronchoscopy and computer-aided pulmonary disease analysis. In recent years, convolutional neural networks (CNNs) have been widely used to delineate the bronchial tree. However, the segmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-02-02 Weihao Yu , Hao Zheng , Minghui Zhang , Hanxiao Zhang , Jiayuan Sun , Jie Yang

In recent years Deep Learning has brought about a breakthrough in Medical Image Segmentation. U-Net is the most prominent deep network in this regard, which has been the most popular architecture in the medical imaging community. Despite…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Nabil Ibtehaz , M. Sohel Rahman

Fluctuations of the glacier calving front have an important influence over the ice flow of whole glacier systems. It is therefore important to precisely monitor the position of the calving front. However, the manual delineation of SAR…

Machine Learning · Computer Science 2021-05-05 Andreas Hartmann , Amirabbas Davari , Thorsten Seehaus , Matthias Braun , Andreas Maier , Vincent Christlein

Efficient intravascular access in trauma and critical care significantly impacts patient outcomes. However, the availability of skilled medical personnel in austere environments is often limited. Autonomous robotic ultrasound systems can…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Rohini Banerjee , Cecilia G. Morales , Artur Dubrawski

An essential stage in computer aided diagnosis of chest X rays is automated lung segmentation. Due to rib cages and the unique modalities of each persons lungs, it is essential to construct an effective automated lung segmentation model.…

Image and Video Processing · Electrical Eng. & Systems 2022-10-20 S Ali John Naqvi , Abdullah Tauqeer , Rohaib Bhatti , S Bazil Ali

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li

Ultrasound imaging is widely used in clinical practice due to its cost-effectiveness, mobility, and safety. However, current AI research often treats disease prediction and tissue segmentation as two separate tasks and their model requires…

Image and Video Processing · Electrical Eng. & Systems 2026-03-10 Zhi Chen , Le Zhang