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Aortic shape analysis plays a key role in cardiovascular diagnostics, treatment planning, and understanding disease progression. We present a robust, fully automated pipeline for aortic shape analysis from cardiac MRI, combining deep…

Tissues and Organs · Quantitative Biology 2025-09-15 Nairouz Shehata , Amr Elsawy , Mohamed Nagy , Muhammad ElMahdy , Mariam Ali , Soha Romeih , Heba Aguib , Magdi Yacoub , Ben Glocker

Automatic localization and segmentation of organs-at-risk (OAR) in CT are essential pre-processing steps in medical image analysis tasks, such as radiation therapy planning. For instance, the segmentation of OAR surrounding tumors enables…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Fernando Navarro , Guido Sasahara , Suprosanna Shit , Ivan Ezhov , Jan C. Peeken , Stephanie E. Combs , Bjoern H. Menze

In this paper, an automatic seeded region growing algorithm is proposed for cellular image segmentation. First, the regions of interest (ROIs) extracted from the preprocessed image. Second, the initial seeds are automatically selected based…

Computer Vision and Pattern Recognition · Computer Science 2014-12-15 Mohammed M. Abdelsamea

Brain tumors are one of the deadliest forms of cancer with a mortality rate of over 80%. A quick and accurate diagnosis is crucial to increase the chance of survival. However, in medical analysis, the manual annotation and segmentation of a…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Zachary Schwehr , Sriman Achanta

A good segmentation result depends on a set of "correct" choice for the seeds. When the input images are noisy, the seeds may fall on atypical pixels that are not representative of the region statistics. This can lead to erroneous…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Mohammed M. Abdelsamea

Region-of-Interest (ROI) tomography aims at reconstructing a region of interest $C$ inside a body using only x-ray projections intersecting $C$ with the goal to reduce overall radiation exposure when only a small specific region of the body…

Mathematical Physics · Physics 2016-03-23 Robert Azencott , Bernhard G. Bodmann , Tasadduk Chowdhury , Demetrio Labate , Anando Sen , Daniel Vera

Manual prescription of the field of view (FOV) by MRI technologists is variable and prolongs the scanning process. Often, the FOV is too large or crops critical anatomy. We propose a deep-learning framework, trained by radiologists'…

Image and Video Processing · Electrical Eng. & Systems 2022-11-10 Ke Lei , Ali B. Syed , Xucheng Zhu , John M. Pauly , Shreyas S. Vasanawala

Cerebrovascular disease is one of the major diseases facing the world today. Automatic segmentation of intracranial artery (IA) in digital subtraction angiography (DSA) sequences is an important step in the diagnosis of vascular related…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Lemeng Wang , Wentao Liu , Weijin Xu , Haoyuan Li , Huihua Yang , Feng Gao

Stroke is a major public health problem, affecting millions worldwide. Deep learning has recently demonstrated promise for enhancing the diagnosis and risk prediction of stroke. However, existing methods rely on costly medical imaging…

Image and Video Processing · Electrical Eng. & Systems 2025-12-17 Saeed Shurrab , Aadim Nepal , Terrence J. Lee-St. John , Nicola G. Ghazi , Bartlomiej Piechowski-Jozwiak , Farah E. Shamout

Object detection and segmentation are two core modules of an autonomous vehicle perception system. They should have high efficiency and low latency while reducing computational complexity. Currently, the most commonly used algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Maciej Baczmanski , Robert Synoczek , Mateusz Wasala , Tomasz Kryjak

Diffusion-Weighted Magnetic Resonance Imaging (DWI) is widely used for early cerebral infarct detection caused by ischemic stroke. Manual segmentation is done by a radiologist as a common clinical process, nonetheless, challenges of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Noranart Vesdapunt , Nongluk Covavisaruch

Purpose: Segmentation of organs-at-risk (OARs) is a bottleneck in current radiation oncology pipelines and is often time consuming and labor intensive. In this paper, we propose an atlas-based semi-supervised registration algorithm to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Charles Huang , Masoud Badiei , Hyunseok Seo , Ming Ma , Xiaokun Liang , Dante Capaldi , Michael Gensheimer , Lei Xing

This study presents the first report on the development of an artificial intelligence (AI) for automatic region segmentation of four-dimensional computer tomography (4D-CT) images during swallowing. The material consists of 4D-CT images…

Image and Video Processing · Electrical Eng. & Systems 2025-01-31 Yukihiro Michiwaki , Takahiro Kikuchi , Takashi Ijiri , Yoko Inamoto , Hiroshi Moriya , Takumi Ogawa , Ryota Nakatani , Yuto Masaki , Yoshito Otake , Yoshinobu Sato

Accurate detection of the myocardial infarction (MI) area is crucial for early diagnosis planning and follow-up management. In this study, we propose an end-to-end deep-learning algorithm framework (OF-RNN ) to accurately detect the MI area…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Chenchu Xu , Lei Xu , Zhifan Gao , Shen zhao , Heye Zhang , Yanping Zhang , Xiuquan Du , Shu Zhao , Dhanjoo Ghista , Shuo Li

At the present time Optical Coherence Tomography (OCT) is among the most commonly used non-invasive imaging methods for the acquisition of large volumetric scans of human retinal tissues and vasculature. To resolve decisive information from…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 D. Sitenko , B. Boll , C. Schnörr

The segmentation and analysis of coronary arteries from intravascular optical coherence tomography (IVOCT) is an important aspect of diagnosing and managing coronary artery disease. Current image processing methods are hindered by the time…

Machine Learning · Computer Science 2021-04-20 Arjun Balaji , Lachlan Kelsey , Kamran Majeed , Carl Schultz , Barry Doyle

The delineation of tumor target and organs-at-risk is critical in the radiotherapy treatment planning. Automatic segmentation can be used to reduce the physician workload and improve the consistency. However, the quality assurance of the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yihao Zhao , Cuiyun Yuan , Ying Liang , Yang Li , Chunxia Li , Man Zhao , Jun Hu , Wei Liu , Chenbin Liu

Object detection in aerial images is an active yet challenging task in computer vision because of the birdview perspective, the highly complex backgrounds, and the variant appearances of objects. Especially when detecting densely packed…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Jian Ding , Nan Xue , Yang Long , Gui-Song Xia , Qikai Lu

In CT angiography, the accurate segmentation of abdominal aortic aneurysms (AAAs) is difficult due to large anatomical variability, low-contrast vessel boundaries, and the close proximity of organs whose intensities resemble vascular…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Osamah Sufyan , Martin Brückmann , Ralph Wickenhöfer , Babette Dellen , Uwe Jaekel

Given the wide diffusion of deep neural network architectures for computer vision tasks, several new applications are nowadays more and more feasible. Among them, a particular attention has been recently given to instance segmentation, by…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Leonardo Rossi , Akbar Karimi , Andrea Prati