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Automated segmentation plays a pivotal role in medical image analysis and computer-assisted interventions. Despite the promising performance of existing methods based on convolutional neural networks (CNNs), they neglect useful equivariant…

Image and Video Processing · Electrical Eng. & Systems 2025-01-27 Jiazhen Zhang , Yuexi Du , Nicha C. Dvornek , John A. Onofrey

Accurate segmentation of the region of interest in medical images can provide an essential pathway for devising effective treatment plans for life-threatening diseases. It is still challenging for U-Net, and its state-of-the-art variants,…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Md. Rayhan Ahmed , Adnan Ferdous Ashrafi , Raihan Uddin Ahmed , Swakkhar Shatabda , A. K. M. Muzahidul Islam , Salekul Islam

Medical image segmentation faces critical challenges in semi-supervised learning scenarios due to severe annotation scarcity requiring expert radiological knowledge, significant inter-annotator variability across different viewpoints and…

Image and Video Processing · Electrical Eng. & Systems 2026-01-06 Zihan Li , Dandan Shan , Yunxiang Li , Paul E. Kinahan , Qingqi Hong

Retinal imaging has emerged as a promising method of addressing this challenge, taking advantage of the unique structure of the retina. The retina is an embryonic extension of the central nervous system, providing a direct in vivo window…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Syed Javed , Tariq M. Khan , Abdul Qayyum , Arcot Sowmya , Imran Razzak

Extracting blood vessels from retinal fundus images plays a decisive role in diagnosing the progression in pertinent diseases. In medical image analysis, vessel extraction is a semantic binary segmentation problem, where blood vasculature…

Image and Video Processing · Electrical Eng. & Systems 2022-03-21 Kundan Kumar , Sumanshu Agarwal

Due to the lack of automated methods, to diagnose cerebrovascular disease, time-of-flight magnetic resonance angiography (TOF-MRA) is assessed visually, making it time-consuming. The commonly used encoder-decoder architectures for…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Syed Farhan Abbas , Nguyen Thanh Duc , Yoonguu Song , Kyungwon Kim , Ekta Srivastava , Boreom Lee

Medical image segmentation remains particularly challenging for complex and low-contrast anatomical structures. In this paper, we introduce the U-Transformer network, which combines a U-shaped architecture for image segmentation with self-…

Image and Video Processing · Electrical Eng. & Systems 2021-03-15 Olivier Petit , Nicolas Thome , Clément Rambour , Luc Soler

Retinal vessel segmentation is crucial for intelligent ophthalmic diagnosis, yet it faces three major challenges: insufficient multi-scale feature fusion, disruption of contextual continuity, and noise interference. This study proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xinran Xu , Yuliang Ma , Sifu Cai , Ming Meng , Qiang Lv , Ruoyan Shi

Sturge-Weber syndrome (SWS) is a vascular malformation disease, and it may cause blindness if the patient's condition is severe. Clinical results show that SWS can be divided into two types based on the characteristics of scleral blood…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Chang Yao , Jingyu Tang , Menghan Hu , Yue Wu , Wenyi Guo , Qingli Li , Xiao-Ping Zhang

When studying the results of a segmentation algorithm using convolutional neural networks, one wonders about the reliability and consistency of the results. This leads to questioning the possibility of using such an algorithm in…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Nicolas Makaroff , Laurent D. Cohen

Objective: Magnetic resonance imaging (MRI) has been widely used for the analysis and diagnosis of brain diseases. Accurate and automatic brain tumor segmentation is of paramount importance for radiation treatment. However, low tissue…

Image and Video Processing · Electrical Eng. & Systems 2022-04-18 Jiangyun Li , Hong Yu , Chen Chen , Meng Ding , Sen Zha

Diabetic retinopathy is the most important complication of diabetes. Early diagnosis of retinal lesions helps to avoid visual loss or blindness. Due to high-resolution and small-size lesion regions, applying existing methods, such as…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Zizheng Yan , Xiaoguang Han , Changmiao Wang , Yuda Qiu , Zixiang Xiong , Shuguang Cui

Many deep learning based methods have been proposed for retinal vessel segmentation, however few of them focus on the connectivity of segmented vessels, which is quite important for a practical computer-aided diagnosis system on retinal…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Rui Xu , Tiantian Liu , Xinchen Ye , Yen-Wei Chen

Retinal vessel segmentation is critical for the early diagnosis of vision-threatening and systemic diseases, especially in real-world clinical settings with limited computational resources. Although significant improvements have been made…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Mehwish Mehmood , Shahzaib Iqbal , Tariq Mahmood Khan , Ivor Spence , Muhammad Fahim

The advancements in deep learning technologies have produced immense contributions to biomedical image analysis applications. With breast cancer being the common deadliest disease among women, early detection is the key means to improve…

Image and Video Processing · Electrical Eng. & Systems 2022-02-04 Narinder Singh Punn , Sonali Agarwal

The vascular structure of blood vessels is important in diagnosing retinal conditions such as glaucoma and diabetic retinopathy. Accurate segmentation of these vessels can help in detecting retinal objects such as the optic disc and optic…

Image and Video Processing · Electrical Eng. & Systems 2020-12-18 Abdullah Sarhan , Jon Rokne , Reda Alhajj , Andrew Crichton

Segmentation for tracking surgical instruments plays an important role in robot-assisted surgery. Segmentation of surgical instruments contributes to capturing accurate spatial information for tracking. In this paper, a novel network,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Zhen-Liang Ni , Gui-Bin Bian , Xiao-Liang Xie , Zeng-Guang Hou , Xiao-Hu Zhou , Yan-Jie Zhou

The spatial attention mechanism captures long-range dependencies by aggregating global contextual information to each query location, which is beneficial for semantic segmentation. In this paper, we present a sparse spatial attention…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Mengyu Liu , Hujun Yin

Breast ultrasound imaging is a valuable tool for early breast cancer detection, but automated tumor segmentation is challenging due to inherent noise, variations in scale of lesions, and fuzzy boundaries. To address these challenges, we…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Muhammad Azeem Aslam , Asim Naveed , Nisar Ahmed

The morphology of retinal blood vessels can indicate various diseases in the human body, and researchers have been working on automatic scanning and segmentation of retinal images to aid diagnosis. This project compares the performance of…

Image and Video Processing · Electrical Eng. & Systems 2023-03-20 Ifeyinwa Linda Anene , Yongmin Li