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Manual annotation of airway regions in computed tomography images is a time-consuming and expertise-dependent task. Automatic airway segmentation is therefore a prerequisite for enabling rapid bronchoscopic navigation and the clinical…

图像与视频处理 · 电气工程与系统科学 2025-07-10 Qibiao Wu , Yagang Wang , Qian Zhang

Automated liver segmentation from radiology scans (CT, MRI) can improve surgery and therapy planning and follow-up assessment in addition to conventional use for diagnosis and prognosis. Although convolutional neural networks (CNNs) have…

图像与视频处理 · 电气工程与系统科学 2022-05-31 Ugur Demir , Zheyuan Zhang , Bin Wang , Matthew Antalek , Elif Keles , Debesh Jha , Amir Borhani , Daniela Ladner , Ulas Bagci

Automated segmentation of lung abnormalities in computed tomography is an important step for diagnosing and characterizing lung disease. In this work, we improve upon a previous method and propose S-MEDSeg, a deep learning based approach…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Diedre S. Carmo , Rosarie A. Tudas , Alejandro P. Comellas , Leticia Rittner , Roberto A. Lotufo , Joseph M. Reinhardt , Sarah E. Gerard

Analysis and modeling of the ventricles and myocardium are important in the diagnostic and treatment of heart diseases. Manual delineation of those tissues in cardiac MR (CMR) scans is laborious and time-consuming. The ambiguity of the…

图像与视频处理 · 电气工程与系统科学 2019-08-29 Jingkun Chen , Hongwei Li , Jianguo Zhang , Bjoern Menze

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…

图像与视频处理 · 电气工程与系统科学 2021-08-04 A. Garcia-Uceda , R. Selvan , Z. Saghir , H. A. W. M. Tiddens , M. de Bruijne

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…

图像与视频处理 · 电气工程与系统科学 2021-02-26 Yulei Qin , Hao Zheng , Yun Gu , Xiaolin Huang , Jie Yang , Lihui Wang , Feng Yao , Yue-Min Zhu , Guang-Zhong Yang

Video bronchoscopy is routinely conducted for biopsies of lung tissue suspected for cancer, monitoring of COPD patients and clarification of acute respiratory problems at intensive care units. The navigation within complex bronchial trees…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Ron Keuth , Mattias Heinrich , Martin Eichenlaub , Marian Himstedt

Image anomaly detection consists in detecting images or image portions that are visually different from the majority of the samples in a dataset. The task is of practical importance for various real-life applications like biomedical image…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Axel De Nardin , Pankaj Mishra , Gian Luca Foresti , Claudio Piciarelli

The morphology and distribution of airway tree abnormalities enables diagnosis and disease characterisation across a variety of chronic respiratory conditions. In this regard, airway segmentation plays a critical role in the production of…

Early detection of lung cancer is crucial as it increases the chances of successful treatment. Automatic lung image segmentation assists doctors in identifying diseases such as lung cancer, COVID-19, and respiratory disorders. However, lung…

图像与视频处理 · 电气工程与系统科学 2024-10-22 Sadjad Rezvani , Mansoor Fateh , Yeganeh Jalali , Amirreza Fateh

Lung image segmentation plays an important role in computer-aid pulmonary diseases diagnosis and treatment. This paper proposed a lung image segmentation method by generative adversarial networks. We employed a variety of generative…

图像与视频处理 · 电气工程与系统科学 2019-08-05 Jiaxin Cai , Hongfeng Zhu

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…

图像与视频处理 · 电气工程与系统科学 2022-08-16 Shaofeng Yuan

Automated airway segmentation from lung CT scans is vital for diagnosing and monitoring pulmonary diseases. Despite advancements, challenges like leakage, breakage, and class imbalance persist, particularly in capturing small airways and…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Ali Keshavarzi , Elsa Angelini

Methods that are resilient to artifacts in the cardiac magnetic resonance imaging (MRI) while performing ventricle segmentation, are crucial for ensuring quality in structural and functional analysis of those tissues. While there has been…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Carles Garcia-Cabrera , Eric Arazo , Kathleen M. Curran , Noel E. O'Connor , Kevin McGuinness

Chest radiography is an effective screening tool for diagnosing pulmonary diseases. In computer-aided diagnosis, extracting the relevant region of interest, i.e., isolating the lung region of each radiography image, can be an essential step…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Hilda Azimi , Jianxing Zhang , Pengcheng Xi , Hala Asad , Ashkan Ebadi , Stephane Tremblay , Alexander Wong

High-quality instance segmentation has shown emerging importance in computer vision. Without any refinement, DCT-Mask directly generates high-resolution masks by compressed vectors. To further refine masks obtained by compressed vectors, we…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Qinrou Wen , Jirui Yang , Xue Yang , Kewei Liang

Considering the increased workload in pathology laboratories today, automated tools such as artificial intelligence models can help pathologists with their tasks and ease the workload. In this paper, we are proposing a segmentation model…

This study evaluates publicly available deep-learning based lung segmentation models in transplant-eligible patients to determine their performance across disease severity levels, pathology categories, and lung sides, and to identify…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Jisoo Lee , Michael R. Harowicz , Yuwen Chen , Hanxue Gu , Isaac S. Alderete , Lin Li , Maciej A. Mazurowski , Matthew G. Hartwig

Accurate lung lesion segmentation from Computed Tomography (CT) images is crucial to the analysis and diagnosis of lung diseases such as COVID-19 and lung cancer. However, the smallness and variety of lung nodules and the lack of…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Changwei Wang , Rongtao Xu , Shibiao Xu , Weiliang Meng , Jun Xiao , Xiaopeng Zhang

Each medical segmentation task should be considered with a specific AI algorithm based on its scenario so that the most accurate prediction model can be obtained. The most popular algorithms in medical segmentation, 3D U-Net and its…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Shiyi Wang , Yang Nan , Felder Federico N , Sheng Zhang , Walsh Simon L F , Guang Yang