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Tubular structure segmentation in medical images, e.g., segmenting vessels in CT scans, serves as a vital step in the use of computers to aid in screening early stages of related diseases. But automatic tubular structure segmentation in CT…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yan Wang , Xu Wei , Fengze Liu , Jieneng Chen , Yuyin Zhou , Wei Shen , Elliot K. Fishman , Alan L. Yuille

Accurate airway extraction from computed tomography (CT) images is a critical step for planning navigation bronchoscopy and quantitative assessment of airway-related chronic obstructive pulmonary disease (COPD). The existing methods are…

Image and Video Processing · Electrical Eng. & Systems 2022-12-16 Yanan Wu , Shuiqing Zhao , Shouliang Qi , Jie Feng , Haowen Pang , Runsheng Chang , Long Bai , Mengqi Li , Shuyue Xia , Wei Qian , Hongliang Ren

Segmentation of the airway tree from chest computed tomography (CT) images is critical for quantitative assessment of airway diseases including bronchiectasis and chronic obstructive pulmonary disease (COPD). However, obtaining an accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 A. Garcia-Uceda Juarez , H. A. W. M. Tiddens , M. de Bruijne

3D Convolutional Neural Networks (CNNs) have been widely adopted for airway segmentation. The performance of 3D CNNs is greatly influenced by the dataset while the public airway datasets are mainly clean CT scans with coarse annotation,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-08 Minghui Zhang , Xin Yu , Hanxiao Zhang , Hao Zheng , Weihao Yu , Hong Pan , Xiangran Cai , Yun Gu

Medical image segmentation, which aims to automatically extract anatomical or pathological structures, plays a key role in computer-aided diagnosis and disease analysis. Despite the problem has been widely studied, existing methods are…

Image and Video Processing · Electrical Eng. & Systems 2022-03-01 Han Zhang , Lok Ming Lui

Airway segmentation, especially bronchioles segmentation, is an important but challenging task because distal bronchus are sparsely distributed and of a fine scale. Existing neural networks usually exploit sparse topology to learn the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Mingyue Zhao , Shang Zhao , Quan Quan , Li Fan , Xiaolan Qiu , Shiyuan Liu , S. Kevin Zhou

Accurate, automatic and complete extraction of pulmonary airway in medical images plays an important role in analyzing thoracic CT volumes such as lung cancer detection, chronic obstructive pulmonary disease (COPD), and…

Image and Video Processing · Electrical Eng. & Systems 2022-08-16 Shaofeng Yuan

Training convolutional neural networks (CNNs) for segmentation of pulmonary airway, artery, and vein is challenging due to sparse supervisory signals caused by the severe class imbalance between tubular targets and background. We present a…

Image and Video Processing · Electrical Eng. & Systems 2021-02-26 Yulei Qin , Hao Zheng , Yun Gu , Xiaolin Huang , Jie Yang , Lihui Wang , Feng Yao , Yue-Min Zhu , Guang-Zhong Yang

In this research project, we put forward an advanced method for airway segmentation based on the existent convolutional neural network (CNN) and graph neural network (GNN). The method is originated from the vessel segmentation, but we…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Yihua Yang

Purpose: Bronchoscopic intervention is a widely-used clinical technique for pulmonary diseases, which requires an accurate and topological complete airway map for its localization and guidance. The airway map could be extracted from chest…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Yangqian Wu , Minghui Zhang , Weihao Yu , Hao Zheng , Jiasheng Xu , Yun Gu

Discontinuity in the delineation of peripheral bronchioles hinders the potential clinical application of automated airway segmentation models. Moreover, the deployment of such models is limited by the data heterogeneity across different…

Image and Video Processing · Electrical Eng. & Systems 2022-10-24 Zeyu Tang , Nan Yang , Simon Walsh , Guang Yang

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

Segmentation of lung tissue in computed tomography (CT) images is a precursor to most pulmonary image analysis applications. Semantic segmentation methods using deep learning have exhibited top-tier performance in recent years, however…

Image and Video Processing · Electrical Eng. & Systems 2023-04-27 Niloufar Delfan , Hamid Abrishami Moghaddam , Mohammadreza Modaresi , Kimia Afshari , Kasra Nezamabadi , Neda Pak , Omid Ghaemi , Mohamad Forouzanfar

Lung cancer ranks as one of the leading causes of cancer diagnosis and is the foremost cause of cancer-related mortality worldwide. The early detection of lung nodules plays a pivotal role in improving outcomes for patients, as it enables…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Jiasen Zhang , Mingrui Yang , Weihong Guo , Brian A. Xavier , Michael Bolen , Xiaojuan Li

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

Intrathoracic airway segmentation in computed tomography (CT) is a prerequisite for various respiratory disease analyses such as chronic obstructive pulmonary disease (COPD), asthma and lung cancer. Unlike other organs with simpler shapes…

Image and Video Processing · Electrical Eng. & Systems 2023-06-16 Puyang Wang , Dazhou Guo , Dandan Zheng , Minghui Zhang , Haogang Yu , Xin Sun , Jia Ge , Yun Gu , Le Lu , Xianghua Ye , Dakai Jin

Airway segmentation on CT scans is critical for pulmonary disease diagnosis and endobronchial navigation. Manual extraction of airway requires strenuous efforts due to the complicated structure and various appearance of airway. For…

Image and Video Processing · Electrical Eng. & Systems 2019-07-17 Yulei Qin , Mingjian Chen , Hao Zheng , Yun Gu , Mali Shen , Jie Yang , Xiaolin Huang , Yue-Min Zhu , Guang-Zhong Yang

Accurately and precisely characterizing the morphology of small pulmonary structures from Computed Tomography (CT) images, such as airways and vessels, is becoming of great importance for diagnosis of pulmonary diseases. The smaller…

Image and Video Processing · Electrical Eng. & Systems 2020-04-13 Pietro Nardelli , James C. Ross , Raúl San José Estépar

Accurate airway segmentation from chest computed tomography (CT) scans is essential for quantitative lung analysis, yet manual annotation is impractical and many automated U-Net-based methods yield disconnected components that hinder…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 John M. Oyer , Ali Namvar , Benjamin A. Hoff , Wassim W. Labaki , Ella A. Kazerooni , Charles R. Hatt , Fernando J. Martinez , MeiLan K. Han , Craig J. Galbán , Sundaresh Ram

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
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