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For the task of subdecimeter aerial imagery segmentation, fine-grained semantic segmentation results are usually difficult to obtain because of complex remote sensing content and optical conditions. Recently, convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Kai Yue , Lei Yang , Ruirui Li , Wei Hu , Fan Zhang , Wei Li

The human lung is a complex respiratory organ, consisting of five distinct anatomic compartments called lobes. Accurate and automatic segmentation of these pulmonary lobes from computed tomography (CT) images is of clinical importance for…

Image and Video Processing · Electrical Eng. & Systems 2019-09-18 Hoileong Lee , Tahreema Matin , Fergus Gleeson , Vicente Grau

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

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

The coronavirus disease 2019 (COVID-19) affects billions of lives around the world and has a significant impact on public healthcare. Due to rising skepticism towards the sensitivity of RT-PCR as screening method, medical imaging like…

Image and Video Processing · Electrical Eng. & Systems 2022-04-14 Dominik Müller , Iñaki Soto Rey , Frank Kramer

Some lung diseases are related to bronchial airway structures and morphology. Although airway segmentation from chest CT volumes is an important task in the computer-aided diagnosis and surgery assistance systems for the chest, complete 3-D…

Computer Vision and Pattern Recognition · Computer Science 2017-04-27 Qier Meng , Takayuki Kitasaka , Masahiro Oda , Junji Ueno , Kensaku Mori

Objective: The accurate segmentation of capnograms during cardiopulmonary resuscitation (CPR) is essential for effective patient monitoring and advanced airway management. This study aims to develop a robust algorithm using a U-net…

Quantitative Methods · Quantitative Biology 2024-10-29 Andoni Elola , Imanol Ania , Xabier Jaureguibeitia , Henry Wang , Michelle Nassal , Ahamed Idris , Elisabete Aramendi

To improve the prognosis of patients suffering from pulmonary diseases, such as lung cancer, early diagnosis and treatment are crucial. The analysis of CT images is invaluable for diagnosis, whereas high quality segmentation of the airway…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Karen-Helene Støverud , David Bouget , Andre Pedersen , Håkon Olav Leira , Thomas Langø , Erlend Fagertun Hofstad

In contrast to the literature where local patterns in 3D point clouds are captured by customized convolutional operators, in this paper we study the problem of how to effectively and efficiently project such point clouds into a 2D image…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Yecheng Lyu , Xinming Huang , Ziming Zhang

Accurate segmentation of the heart is essential for personalized blood flow simulations and surgical intervention planning. Segmentations need to be accurate in every spatial dimension, which is not ensured by segmenting data slice by…

Image and Video Processing · Electrical Eng. & Systems 2024-01-25 Lee Jollans , Mariana Bustamante , Lilian Henriksson , Anders Persson , Tino Ebbers

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

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…

Image and Video Processing · Electrical Eng. & Systems 2024-10-22 Sadjad Rezvani , Mansoor Fateh , Yeganeh Jalali , Amirreza Fateh

Segmentation of pulmonary infiltrates can help assess severity of COVID-19, but manual segmentation is labor and time-intensive. Using neural networks to segment pulmonary infiltrates would enable automation of this task. However, training…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Keno K. Bressem , Stefan M. Niehues , Bernd Hamm , Marcus R. Makowski , Janis L. Vahldiek , Lisa C. Adams

3D lung segmentation is essential since it processes the volumetric information of the lungs, removes the unnecessary areas of the scan, and segments the actual area of the lungs in a 3D volume. Recently, the deep learning model, such as…

Image and Video Processing · Electrical Eng. & Systems 2021-05-07 Dhaval D. Kadia , Md Zahangir Alom , Ranga Burada , Tam V. Nguyen , Vijayan K. Asari

Knowledge of airway tree morphology has important clinical applications in diagnosis of chronic obstructive pulmonary disease. We present an automatic tree extraction method based on multiple hypothesis tracking and template matching for…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Raghavendra Selvan , Jens Petersen , Jesper H. Pedersen , Marleen de Bruijne

Accurate segmentation of organ at risk (OAR) play a critical role in the treatment planning of image guided radiation treatment of head and neck cancer. This segmentation task is challenging for both human and automatic algorithms because…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Yueyue Wang , Liang Zhao , Zhijian Song , Manning Wang

Pulmonary vessel segmentation is important for clinical diagnosis of pulmonary diseases, while is also challenging due to the complicated structure. In this work, we present an effective framework and refinement process of pulmonary vessel…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Hejie Cui , Xinglong Liu , Ning Huang

Airway segmentation is essential for chest CT image analysis. Different from natural image segmentation, which pursues high pixel-wise accuracy, airway segmentation focuses on topology. The task is challenging not only because of its…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Andong Wang , Terence Chi Chun Tam , Ho Ming Poon , Kun-Chang Yu , Wei-Ning Lee

Pneumothorax, also called a collapsed lung, refers to the presence of the air in the pleural space between the lung and chest wall. It can be small (no need for treatment), or large and causes death if it is not identified and treated on…

Image and Video Processing · Electrical Eng. & Systems 2020-09-09 Ayat Abedalla , Malak Abdullah , Mahmoud Al-Ayyoub , Elhadj Benkhelifa

This research embarked on a comparative exploration of the holistic segmentation capabilities of Convolutional Neural Networks (CNNs) in both 2D and 3D formats, focusing on cystic fibrosis (CF) lesions. The study utilized data from two CF…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Amel Imene Hadj Bouzid , Baudouin Denis de Senneville , Fabien Baldacci , Pascal Desbarats , Patrick Berger , Ilyes Benlala , Gaël Dournes