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Pulmonary emphysema is traditionally subcategorized into three subtypes, which have distinct radiological appearances on computed tomography (CT) and can help with the diagnosis of chronic obstructive pulmonary disease (COPD). Automated…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Jie Yang , Elsa D. Angelini , Benjamin M. Smith , John H. M. Austin , Eric A. Hoffman , David A. Bluemke , R. Graham Barr , Andrew F. Laine

Respiratory airflow signals provide critical insight into breathing mechanics, yet conventional analysis methods remain limited in their ability to characterize the internal structure of individual breaths. Traditional approaches treat…

Signal Processing · Electrical Eng. & Systems 2026-04-27 Victoria Ribeiro Rodrigues , Paul W. Davenport , Nicholas J. Napoli

Machine learning models have utilized semantic features, deep features, or both to assess lung nodule malignancy. However, their reliance on manual annotation during inference, limited interpretability, and sensitivity to imaging variations…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Luoting Zhuang , Seyed Mohammad Hossein Tabatabaei , Ramin Salehi-Rad , Linh M. Tran , Denise R. Aberle , Ashley E. Prosper , William Hsu

Priori knowledge of pulmonary anatomy plays a vital role in diagnosis of lung diseases. In CT images, pulmonary fissure segmentation is a formidable mission due to various of factors. To address the challenge, an useful approach based on…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Yuanyuan Peng , Pengpeng Luan , Hongbin Tu , Xiong Li , Ping Zhou

With respect to spatial overlap, CNN-based segmentation of short axis cardiovascular magnetic resonance (CMR) images has achieved a level of performance consistent with inter observer variation. However, conventional training procedures…

Image and Video Processing · Electrical Eng. & Systems 2020-08-24 Nick Byrne , James R. Clough , Giovanni Montana , Andrew P. King

Early diagnosis of pathological invasiveness of pulmonary adenocarcinomas using computed tomography (CT) imaging would alter the course of treatment of adenocarcinomas and subsequently improve the prognosis. Most of the existing systems use…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Xiang Li , Jiechao Ma , Hongwei Li

To predict lung nodule malignancy with a high sensitivity and specificity, we propose a fusion algorithm that combines handcrafted features (HF) into the features learned at the output layer of a 3D deep convolutional neural network (CNN).…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Shulong Li , Panpan Xu , Bin Li , Liyuan Chen , Zhiguo Zhou , Hongxia Hao , Yingying Duan , Michael Folkert , Jianhua Ma , Steve Jiang , Jing Wang

We investigated the feasibility and advantages of using non-contrast CT calcium score (CTCS) images to assess pericoronary adipose tissue (PCAT) and its association with major adverse cardiovascular events (MACE). PCAT features from…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yingnan Song , Hao Wu , Juhwan Lee , Justin Kim , Ammar Hoori , Tao Hu , Vladislav Zimin , Mohamed Makhlouf , Sadeer Al-Kindi , Sanjay Rajagopalan , Chun-Ho Yun , Chung-Lieh Hung , David L. Wilson

Purpose: To introduce a widely applicable workflow for pulmonary lobe segmentation of MR images using a recurrent neural network (RNN) trained with chest computed tomography (CT) datasets. The feasibility is demonstrated for 2D coronal…

Purpose: Lung disease assessment in precapillary pulmonary hypertension (PH) is essential for appropriate patient management. This study aims to develop an artificial intelligence (AI) deep learning model for lung texture classification in…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Michael J. Sharkey , Krit Dwivedi , Samer Alabed , Andrew J. Swift

Machine learning methods with quantitative imaging features integration have recently gained a lot of attention for lung nodule classification. However, there is a dearth of studies in the literature on effective features ranking methods…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Hina Shakir , Haroon Rasheed , Tariq Mairaj Rasool Khan

Purpose: Accurate segmentation of lung and infection in COVID-19 CT scans plays an important role in the quantitative management of patients. Most of the existing studies are based on large and private annotated datasets that are…

Image and Video Processing · Electrical Eng. & Systems 2021-06-09 Jun Ma , Yixin Wang , Xingle An , Cheng Ge , Ziqi Yu , Jianan Chen , Qiongjie Zhu , Guoqiang Dong , Jian He , Zhiqiang He , Yuntao Zhu , Ziwei Nie , Xiaoping Yang

Classical radiomic features have been designed to describe image appearance and intensity patterns. These features are directly interpretable and readily understood by radiologists. Compared with end-to-end deep learning (DL) models, lower…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yaxi Chen , Simin Ni , Aleksandra Ivanova , Shaheer U. Saeed , Rikin Hargunani , Jie Huang , Chaozong Liu , Yipeng Hu

Purpose: This study investigated how nodule segmentation and surrounding peritumoral regions influence radionics-based lung cancer classification. Methods: Using 3D CT scans with bounding box annotated nodules, we generated 3D segmentations…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Fakrul Islam Tushar

Distant metastases (DM) refer to the dissemination of tumors, usually, beyond the organ where the tumor originated. They are the leading cause of death in patients with soft-tissue sarcomas (STSs). Positron emission tomography-computed…

Image and Video Processing · Electrical Eng. & Systems 2021-12-22 Yige Peng , Lei Bi , Ashnil Kumar , Michael Fulham , Dagan Feng , Jinman Kim

Purpose: To estimate the total lung volume (TLV) from real and synthetic frontal chest radiographs (CXR) on a pixel level using lung thickness maps generated by a U-Net deep learning model. Methods: This retrospective study included 5,959…

In video-assisted thoracoscopic surgeries, successful procedures of nodule resection are highly dependent on the precise estimation of lung deformation between the inflated lung in the computed tomography (CT) images during preoperative…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Utako Yamamoto , Megumi Nakao , Masayuki Ohzeki , Junko Tokuno , Toyofumi Fengshi Chen-Yoshikawa , Tetsuya Matsuda

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

The limitations of conventional imaging techniques have hitherto precluded a thorough and formal investigation of the complex morphology of the left ventricular (LV) endocardial surface and its relation to the severity of Coronary Artery…

Computer Vision and Pattern Recognition · Computer Science 2013-02-14 Anirban Mukhopadhyay , Zhen Qian , Suchendra M. Bhandarkar , Tianming Liu , Sarah Rinehart , Szilard Voros

An early effective screening and grading of COVID-19 has become imperative towards optimizing the limited available resources of the medical facilities. An automated segmentation of the infected volumes in lung CT is expected to…

Image and Video Processing · Electrical Eng. & Systems 2023-02-20 Pallabi Dutta , Sushmita Mitra
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