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Organ shape reconstruction based on a single-projection image during treatment has wide clinical scope, e.g., in image-guided radiotherapy and surgical guidance. We propose an image-to-graph convolutional network that achieves deformable…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Megumi Nakao , Mitsuhiro Nakamura , Tetsuya Matsuda

Purpose: The lung nodules localization in CT scan images is the most difficult task due to the complexity of the arbitrariness of shape, size, and texture of lung nodules. This is a challenge to be faced when coming to developing different…

Image and Video Processing · Electrical Eng. & Systems 2023-01-06 Haytham Al Ewaidat , Youness El Brag

Video-assisted thoracoscopic surgery (VATS) is a minimally invasive surgical technique for the diagnosis and treatment of early-stage lung cancer. During VATS, large lung deformation occurs as a result of a change of patient position and a…

Segmentation of the left ventricle (LV) from cardiac magnetic resonance imaging (MRI) datasets is an essential step for calculation of clinical indices such as ventricular volume and ejection fraction. In this work, we employ deep learning…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 M. R. Avendi , A. Kheradvar , H. Jafarkhani

Computer vision has shown promising results in medical image processing. Pneumothorax is a deadly condition and if not diagnosed and treated at time then it causes death. It can be diagnosed with chest X-ray images. We need an expert and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Karan Jakhar , Avneet Kaur , Meenu Gupta

Robot-assisted airway intubation application needs high accuracy in locating targets and organs. Two vital landmarks, nostrils and glottis, can be detected during the intubation to accommodate the stages of nasal intubation. Automated…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Tianhang Liu , Hechen Li , Long Bai , Yanan Wu , An Wang , Mobarakol Islam , Hongliang Ren

PET imaging is an invaluable tool in clinical settings as it captures the functional activity of both healthy anatomy and cancerous lesions. Developing automatic lesion segmentation methods for PET images is crucial since manual lesion…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Tanya Gatsak , Kumar Abhishek , Hanene Ben Yedder , Saeid Asgari Taghanaki , Ghassan Hamarneh

The recent application of deep learning in various areas of medical image analysis has brought excellent performance gains. In particular, technologies based on deep learning in medical image registration can outperform traditional…

Image and Video Processing · Electrical Eng. & Systems 2019-09-09 Abdullah Nazib , Clinton Fookes , Dimitri Perrin

In the medical field, accurate diagnosis of lung cancer is crucial for treatment. Traditional manual analysis methods have significant limitations in terms of accuracy and efficiency. To address this issue, this paper proposes a deep…

Image and Video Processing · Electrical Eng. & Systems 2025-01-10 Ziyang Gao , Yong Tian , Shih-Chi Lin , Junghua Lin

Cardiac deformation is a crucial biomarker for the evaluation of cardiac function. Current methods for estimating cardiac strain might underestimate local deformation due to through-plane motion and segmental averaging. Mesh-based mapping…

Tissues and Organs · Quantitative Biology 2025-04-07 Beatrice Moscoloni , Patrick Segers , Mathias Peirlinck

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

The objective of this study was to develop a PET tumor-segmentation framework that addresses the challenges of limited spatial resolution, high image noise, and lack of clinical training data with ground-truth tumor boundaries in PET…

Purpose: This study proposes a novel anatomically-driven dynamic modeling framework for coronary arteries using skeletal skinning weights computation, aiming to achieve precise control over vessel deformation while maintaining real-time…

Graphics · Computer Science 2025-03-05 Shuo Wang , Tong Ren , Nan Cheng , Rong Wang , Li Zhang

Detection of pulmonary nodules on chest CT is an essential step in the early diagnosis of lung cancer, which is critical for best patient care. Although a number of computer-aided nodule detection methods have been published in the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Junjie Zhang , Yong Xia , Yanning Zhang

The abundance of overlapping anatomical structures appearing in chest radiographs can reduce the performance of lung pathology detection by automated algorithms (CAD) as well as the human reader. In this paper, we present a deep learning…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Ophir Gozes , Hayit Greenspan

Segmentation of certain hollow organs, such as the bladder, is especially hard to automate due to their complex geometry, vague intensity gradients in the soft tissues, and a tedious manual process of the data annotation routine. Yet,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Elizaveta Lazareva , Oleg Rogov , Olga Shegai , Denis Larionov , Dmitry V. Dylov

Representing 3D shape deformations by linear models in high-dimensional space has many applications in computer vision and medical imaging, such as shape-based interpolation or segmentation. Commonly, using Principal Components Analysis a…

Computer Vision and Pattern Recognition · Computer Science 2016-05-12 Florian Bernard , Peter Gemmar , Frank Hertel , Jorge Goncalves , Johan Thunberg

Early diagnosis and analysis of lung cancer involve a precise and efficient lung nodule segmentation in computed tomography (CT) images. However, the anonymous shapes, visual features, and surroundings of the nodule in the CT image pose a…

Image and Video Processing · Electrical Eng. & Systems 2020-03-23 Nikhil Varma Keetha , Samson Anosh Babu P , Chandra Sekhara Rao Annavarapu

This study proposed a deep learning-based tracking method for ultrasound (US) image-guided radiation therapy. The proposed cascade deep learning model is composed of an attention network, a mask region-based convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Yupei Zhang , Xianjin Dai , Zhen Tian , Yang Lei , Jacob F. Wynne , Pretesh Patel , Yue Chen , Tian Liu , Xiaofeng Yang

We develop a learning framework for building deformable templates, which play a fundamental role in many image analysis and computational anatomy tasks. Conventional methods for template creation and image alignment to the template have…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Adrian V. Dalca , Marianne Rakic , John Guttag , Mert R. Sabuncu