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There are many approaches to weakly-supervised training of networks to segment 2D images. By contrast, existing approaches to segmenting volumetric images rely on full-supervision of a subset of 2D slices of the 3D volume. We propose an…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Udaranga Wickramasinghe , Patrick M. Jensen , Mian Shah , Jiancheng Yang , Pascal Fua

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

Background: It is fundamental for accurate segmentation and quantification of the pulmonary vessel, particularly smaller vessels, from computed tomography (CT) images in chronic obstructive pulmonary disease (COPD) patients. Objective: The…

Image and Video Processing · Electrical Eng. & Systems 2025-07-28 Shuiqing Zhao , Meihuan Wang , Jiaxuan Xu , Jie Feng , Wei Qian , Rongchang Chen , Zhenyu Liang , Shouliang Qi , Yanan Wu

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

Lung cancer is the leading cause of cancer-related death worldwide, and early diagnosis is critical to improving patient outcomes. To diagnose cancer, a highly trained pulmonologist must navigate a flexible bronchoscope deep into the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Jake Sganga , David Eng , Chauncey Graetzel , David B. Camarillo

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 is crucial for the examination, diagnosis, and prognosis of lung diseases, while its manual delineation is unduly burdensome. To alleviate this time-consuming and potentially subjective manual procedure, researchers have…

Image and Video Processing · Electrical Eng. & Systems 2022-09-12 Yang Nan , Javier Del Ser , Zeyu Tang , Peng Tang , Xiaodan Xing , Yingying Fang , Francisco Herrera , Witold Pedrycz , Simon Walsh , Guang Yang

Robotic-assisted tracheal intubation requires the robot to distinguish anatomical features like an experienced physician using deep-learning techniques. However, real datasets of oropharyngeal organs are limited due to patient privacy…

Image and Video Processing · Electrical Eng. & Systems 2023-07-29 Guankun Wang , Tian-Ao Ren , Jiewen Lai , Long Bai , Hongliang Ren

With lung cancer being the most fatal cancer worldwide, it is important to detect the disease early. A potentially effective way of detecting early cancer lesions developing along the airway walls (epithelium) is bronchoscopy. To this end,…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Qi Chang , Patrick D. Byrnes , Danish Ahmad , Jennifer Toth , Rebecca Bascom , William E. Higgins

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

Open-vocabulary segmentation of 3D scenes is a fundamental function of human perception and thus a crucial objective in computer vision research. However, this task is heavily impeded by the lack of large-scale and diverse 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Kunhao Liu , Fangneng Zhan , Jiahui Zhang , Muyu Xu , Yingchen Yu , Abdulmotaleb El Saddik , Christian Theobalt , Eric Xing , Shijian Lu

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

A key element of computer-assisted surgery systems is phase recognition of surgical videos. Existing phase recognition algorithms require frame-wise annotation of a large number of videos, which is time and money consuming. In this work we…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Roy Hirsch , Regev Cohen , Mathilde Caron , Tomer Golany , Daniel Freedman , Ehud Rivlin

We present a weakly-supervised approach to segmenting proposed drivable paths in images with the goal of autonomous driving in complex urban environments. Using recorded routes from a data collection vehicle, our proposed method generates…

Robotics · Computer Science 2017-11-20 Dan Barnes , Will Maddern , Ingmar Posner

Audio-visual segmentation is a challenging task that aims to predict pixel-level masks for sound sources in a video. Previous work applied a comprehensive manually designed architecture with countless pixel-wise accurate masks as…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Shentong Mo , Bhiksha Raj

Pulmonary lobe segmentation is an important task for pulmonary disease related Computer Aided Diagnosis systems (CADs). Classical methods for lobe segmentation rely on successful detection of fissures and other anatomical information such…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Hao Tang , Chupeng Zhang , Xiaohui Xie

Polyp segmentation is a crucial step towards computer-aided diagnosis of colorectal cancer. However, most of the polyp segmentation methods require pixel-wise annotated datasets. Annotated datasets are tedious and time-consuming to produce,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Guangyu Ren , Michalis Lazarou , Jing Yuan , Tania Stathaki

Accurate segmentation for medical images is important for clinical diagnosis. Existing automatic segmentation methods are mainly based on fully supervised learning and have an extremely high demand for precise annotations, which are very…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Yuanpeng Liu , Qinglei Hui , Zhiyi Peng , Shaolin Gong , Dexing Kong

Unsupervised video object segmentation aims to segment a target object in the video without a ground truth mask in the initial frame. This challenging task requires extracting features for the most salient common objects within a video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Minhyeok Lee , Suhwan Cho , Seunghoon Lee , Chaewon Park , Sangyoun Lee

Image segmentation is a fundamental problem in medical image analysis. In recent years, deep neural networks achieve impressive performances on many medical image segmentation tasks by supervised learning on large manually annotated data.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Ling Zhang , Vissagan Gopalakrishnan , Le Lu , Ronald M. Summers , Joel Moss , Jianhua Yao