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Automated airway segmentation is a prerequisite for pre-operative diagnosis and intra-operative navigation for pulmonary intervention. Due to the small size and scattered spatial distribution of peripheral bronchi, this is hampered by…

Image and Video Processing · Electrical Eng. & Systems 2021-04-30 Hao Zheng , Yulei Qin , Yun Gu , Fangfang Xie , Jie Yang , Jiayuan Sun , Guang-zhong Yang

Traditional anomaly detection methods focus on detecting inter-class variations while medical image novelty identification is inherently an intra-class detection problem. For example, a machine learning model trained with normal chest X-ray…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Xiaoyuan Guo , Judy Wawira Gichoya , Saptarshi Purkayastha , Imon Banerjee

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

Automated detection and segmentation of pulmonary nodules on lung computed tomography (CT) scans can facilitate early lung cancer diagnosis. Existing supervised approaches for automated nodule segmentation on CT scans require voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2018-02-26 Xinyang Feng , Jie Yang , Andrew F. Laine , Elsa D. Angelini

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

Thoracic Computed Tomography (CT) scans offer detailed insights into the intricate branching network of the airway tree, which is essential for understanding various respiratory diseases. Airway bifurcations, where airway branches split,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Ali Keshavarzi , Quentin Bouniot , Benjamin M. Smith , Elsa Angelini

Topological consistency plays a crucial role in the task of boundary segmentation for reticular images, such as cell membrane segmentation in neuron electron microscopic images, grain boundary segmentation in material microscopic images and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Chuni Liu , Boyuan Ma , Xiaojuan Ban , Yujie Xie , Hao Wang , Weihua Xue , Jingchao Ma , Ke Xu

Manual segmentation is used as the gold-standard for evaluating neural networks on automated image segmentation tasks. Due to considerable heterogeneity in shapes, colours and textures, demarcating object boundaries is particularly…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Michael Yeung , Guang Yang , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

An accurate segmentation of lung nodules in computed tomography (CT) images is critical to lung cancer analysis and diagnosis. However, due to the variety of lung nodules and the similarity of visual characteristics between nodules and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Haichao Cao , Hong Liu , Enmin Song , Chih-Cheng Hung , Guangzhi Ma , Xiangyang Xu , Renchao Jin , Jianguo Lu

The research evaluates lightweight medical abstract classification methods to establish their maximum performance capabilities under financial budget restrictions. On the public medical abstracts corpus, we finetune BERT base and Distil…

Computation and Language · Computer Science 2025-10-22 Jiaqi Liu , Tong Wang , Su Liu , Xin Hu , Ran Tong , Lanruo Wang , Jiexi Xu

Recent progress in Temporal Action Segmentation (TAS) has increasingly relied on complex architectures, which can hinder practical deployment. We present a lightweight dual-loss training framework that improves fine-grained segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Hinako Mitsuoka , Kazuhiro Hotta

Accurate lung tumor segmentation is crucial for improving diagnosis, treatment planning, and patient outcomes in oncology. However, the complexity of tumor morphology, size, and location poses significant challenges for automated…

Image and Video Processing · Electrical Eng. & Systems 2026-02-16 Elena Mulero Ayllón , Massimiliano Mantegna , Linlin Shen , Paolo Soda , Valerio Guarrasi , Matteo Tortora

Accurate airway anatomical labeling is crucial for clinicians to identify and navigate complex bronchial structures during bronchoscopy. Automatic airway anatomical labeling is challenging due to significant individual variability and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Chenyu Li , Minghui Zhang , Chuyan Zhang , Yun Gu

In this paper we present a new discretization strategy for the boundary element formulation of the Electroencephalography (EEG) forward problem. Boundary integral formulations, classically solved with the Boundary Element Method (BEM), are…

Medical Physics · Physics 2016-03-22 Lyes Rahmouni , Simon Adrian , Kristof Cools , Francesco P. Andriulli

We present a novel method for small bowel segmentation where a cylindrical topological constraint based on persistent homology is applied. To address the touching issue which could break the applied constraint, we propose to augment a…

Image and Video Processing · Electrical Eng. & Systems 2020-10-08 Seung Yeon Shin , Sungwon Lee , Daniel C. Elton , James L. Gulley , Ronald M. Summers

The lung airway tree modeling is essential to work for the diagnosis of pulmonary diseases, especially for X-Ray computed tomography (CT). The airway tree modeling on CT images can provide the experts with 3-dimension measurements like wall…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Hsiang-Chin Chien , Ching-Ping Wang , Jung-Chih Chen , Chia-Yen Lee

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

This paper presents a fully automatic and end-to-end optimised airway segmentation method for thoracic computed tomography, based on the U-Net architecture. We use a simple and low-memory 3D U-Net as backbone, which allows the method to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-04 A. Garcia-Uceda , R. Selvan , Z. Saghir , H. A. W. M. Tiddens , M. de Bruijne

Accurate segmentation of pulmonary airways and vessels is crucial for the diagnosis and treatment of pulmonary diseases. However, current deep learning approaches suffer from disconnectivity issues that hinder their clinical usefulness. To…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Ziqiao Weng , Jiancheng Yang , Dongnan Liu , Weidong Cai

Reconstructing Portal Vein and Hepatic Vein trees from contrast enhanced abdominal CT scans is a prerequisite for preoperative liver surgery simulation. Existing deep learning based methods treat vascular tree reconstruction as a semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Deepak Keshwani , Yoshiro Kitamura , Satoshi Ihara , Satoshi Iizuka , Edgar Simo-Serra