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We develop a connection sensitive attention U-Net(CSAU) for accurate retinal vessel segmentation. This method improves the recent attention U-Net for semantic segmentation with four key improvements: (1) connection sensitive loss that…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Ruirui Li , Mingming Li , Jiacheng Li , Yating Zhou

Accurate semantic segmentation of 3D dental models is essential for digital dentistry applications such as orthodontics and dental implants. However, due to complex tooth arrangements and similarities in shape among adjacent teeth, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qiang He , Wentian Qu , Jiajia Dai , Changsong Lei , Shaofeng Wang , Feifei Zuo , Yajie Wang , Yaqian Liang , Xiaoming Deng , Cuixia Ma , Yong-Jin Liu , Hongan Wang

The task of localizing and categorizing objects in medical images often remains formulated as a semantic segmentation problem. This approach, however, only indirectly solves the coarse localization task by predicting pixel-level scores,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Paul F. Jaeger , Simon A. A. Kohl , Sebastian Bickelhaupt , Fabian Isensee , Tristan Anselm Kuder , Heinz-Peter Schlemmer , Klaus H. Maier-Hein

Colo-segment recognition in colonoscopy videos is a key requirement for many downstream tasks, but existing automatic recognition methods only use colonoscopy images without fully exploiting the use of temporal information, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ziyi Wang , Zhengjie Zhang , Jingsheng Gao , Dahong Qian , Suncheng Xiang

Automated detection of curvilinear structures, e.g., blood vessels or nerve fibres, from medical and biomedical images is a crucial early step in automatic image interpretation associated to the management of many diseases. Precise…

Image and Video Processing · Electrical Eng. & Systems 2020-10-20 Lei Mou , Yitian Zhao , Huazhu Fu , Yonghuai Liu , Jun Cheng , Yalin Zheng , Pan Su , Jianlong Yang , Li Chen , Alejandro F Frang , Masahiro Akiba , Jiang Liu

Semantic segmentation of surgical instruments plays a crucial role in robot-assisted surgery. However, accurate segmentation of cataract surgical instruments is still a challenge due to specular reflection and class imbalance issues. In…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Zhen-Liang Ni , Gui-Bin Bian , Xiao-Hu Zhou , Zeng-Guang Hou , Xiao-Liang Xie , Chen Wang , Yan-Jie Zhou , Rui-Qi Li , Zhen Li

Automated fetal head segmentation in ultrasound images is critical for accurate biometric measurements in prenatal care. While existing deep learning approaches have achieved a reasonable performance, they struggle with issues like low…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Ammar Bhilwarawala , Mainak Bandyopadhyay

Accurately segmenting blood vessels in retinal fundus images is crucial in the early screening, diagnosing, and evaluating some ocular diseases, yet it poses a nontrivial uncertainty for the segmentation task due to various factors such as…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Yuanyuan Peng , Pengpeng Luan , Zixu Zhang

The ability to extrapolate gene expression dynamics in living single cells requires robust cell segmentation, and one of the challenges is the amorphous or irregularly shaped cell boundaries. To address this issue, we modified the U-Net…

Quantitative Methods · Quantitative Biology 2020-01-17 Nanyan Zhu , Chen Liu , Zakary S. Singer , Tal Danino , Andrew F. Laine , Jia Guo

This paper proposes RIU-Net (for Range-Image U-Net), the adaptation of a popular semantic segmentation network for the semantic segmentation of a 3D LiDAR point cloud. The point cloud is turned into a 2D range-image by exploiting the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Pierre Biasutti , Aurélie Bugeau , Jean-François Aujol , Mathieu Brédif

3D teeth reconstruction from X-ray is important for dental diagnosis and many clinical operations. However, no existing work has explored the reconstruction of teeth for a whole cavity from a single panoramic radiograph. Different from…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Yuan Liang , Weinan Song , Jiawei Yang , Liang Qiu , Kun Wang , Lei He

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

We propose a topology-constrained quantized nnUNet framework for efficient and anatomically accurate 3D tooth segmentation, addressing the challenges of spatial distortion introduced by quantization in deep learning models. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Paarth Prasad , Ruchika Malhotra

Segmentation plays a crucial role in diagnosis. Studying the retinal vasculatures from fundus images help identify early signs of many crucial illnesses such as diabetic retinopathy. Due to the varying shape, size, and patterns of retinal…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Shreshth Saini , Geetika Agrawal

Lung cancer has been one of the major threats across the world with the highest mortalities. Computer-aided detection (CAD) can help in early detection and thus can help increase the survival rate. Accurate lung parenchyma segmentation (to…

Image and Video Processing · Electrical Eng. & Systems 2025-09-18 Muhammad Abdullah , Furqan Shaukat

Accurate segmentation of the tooth point cloud is of great significance for diagnosis clinical assisting and treatment planning. Existing methods mostly employ semantic segmentation, focusing on the semantic feature between different types…

Graphics · Computer Science 2026-01-01 Yating Cai , Yanghui Xu , Zehua Hu , Jiazhou Chen , Jing Huang

Automated medical image segmentation is becoming increasingly crucial to modern clinical practice, driven by the growing demand for precise diagnosis, the push towards personalized treatment plans, and the advancements in machine learning…

Image and Video Processing · Electrical Eng. & Systems 2023-11-13 Tan-Hanh Pham , Xianqi Li , Kim-Doang Nguyen

Accurate detection of oral cancer is crucial for improving patient outcomes. However, the field faces two key challenges: the scarcity of deep learning-based image segmentation research specifically targeting oral cancer and the lack of…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Ahmed Albishri , Syed Jawad Hussain Shah , Yugyung Lee , Rong Wang

Reconstructing the 3D anatomical structures of the oral cavity, which originally reside in the cone-beam CT (CBCT), from a single 2D Panoramic X-ray(PX) remains a critical yet challenging task, as it can effectively reduce radiation risks…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Wen Ma , Huikai Wu , Zikai Xiao , Yang Feng , Jian Wu , Zuozhu Liu

The low-level details and high-level semantics are both essential to the semantic segmentation task. However, to speed up the model inference, current approaches almost always sacrifice the low-level details, which leads to a considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Changqian Yu , Changxin Gao , Jingbo Wang , Gang Yu , Chunhua Shen , Nong Sang