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Magnetic Resonance Imaging (MRI) and Positron Emission Tomography (PET) automatic 3-D registration is implemented and validated for small animal image volumes so that the high-resolution anatomical MRI information can be fused with the low…

计算机视觉与模式识别 · 计算机科学 2017-05-24 Nathanael L. Baisa , Stéphanie Bricq , Alain Lalande

In this study, we present a method for generating automated anatomy segmentation datasets using a sequential process that involves nnU-Net-based pseudo-labeling and anatomy-guided pseudo-label refinement. By combining various fragmented…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Alexander Jaus , Constantin Seibold , Kelsey Hermann , Alexandra Walter , Kristina Giske , Johannes Haubold , Jens Kleesiek , Rainer Stiefelhagen

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

Computed Tomography Coronary Angiography (CTCA) is a non-invasive method to evaluate coronary artery anatomy and disease. CTCA is ideal for geometry reconstruction to create virtual models of coronary arteries. To our knowledge there is no…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Ramtin Gharleghi , Dona Adikari , Katy Ellenberger , Mark Webster , Chris Ellis , Arcot Sowmya , Sze-Yuan Ooi , Susann Beier

Deep learning has shown great promise in the ability to automatically annotate organs in magnetic resonance imaging (MRI) scans, for example, of the brain. However, despite advancements in the field, the ability to accurately segment…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Cosmin Ciausu , Deepa Krishnaswamy , Benjamin Billot , Steve Pieper , Ron Kikinis , Andrey Fedorov

LAFOV PET/CT has the potential to unlock new applications such as ultra-low dose PET/CT imaging, multiplexed imaging, for biomarker development and for faster AI-driven reconstruction, but further work is required before these can be…

Organoids are self-organized 3D cell clusters that closely mimic the architecture and function of in vivo tissues and organs. Quantification of organoid morphology helps in studying organ development, drug discovery, and toxicity…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Xiaodan Xing , Chunling Tang , Yunzhe Guo , Nicholas Kurniawan , Guang Yang

Industrial cone-beam X-ray computed tomography (CT) scans of additively manufactured components produce a 3D reconstruction from projection measurements acquired at multiple predetermined rotation angles of the component about a single…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Jingsong Lin , Singanallur Venkatakrishnan , Gregery Buzzard , Amir Koushyar Ziabari , Charles Bouman

Computerized tomography (CT) has been used for decades by medical professionals to detect and diagnose injuries and ailments. CT scanners are based on interesting physics, but due to their bulk, cost, and safety, hands on experience with a…

物理教育 · 物理学 2021-01-28 Vincent Daley , Owen Paetkau , Mark Paetkau

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Amal Lahchim , Lambros Athanasiou

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

图像与视频处理 · 电气工程与系统科学 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Large-scale electrification is vital to addressing the climate crisis, but several scientific and technological challenges remain to fully electrify both the chemical industry and transportation. In both of these areas, new electrochemical…

Semantic segmentation was seen as a challenging computer vision problem few years ago. Due to recent advancements in deep learning, relatively accurate solutions are now possible for its use in automated driving. In this paper, the semantic…

机器学习 · 统计学 2017-08-04 Mennatullah Siam , Sara Elkerdawy , Martin Jagersand , Senthil Yogamani

Many strides have been made in semantic segmentation of multiple classes within an image. This has been largely due to advancements in deep learning and convolutional neural networks (CNNs). Features within a CNN are automatically learned…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Erik Gaasedelen , Alex Deakyne , Paul Iaizzo

The rapid spread of COVID-19 has necessitated efficient and accurate diagnostic methods. Computed Tomography (CT) scan images have emerged as a valuable tool for detecting the disease. In this article, we present a novel deep learning…

图像与视频处理 · 电气工程与系统科学 2023-08-15 Susmita Ghosh , Abhiroop Chatterjee

Artificial intelligence (AI) has significant potential to positively impact and advance medical imaging, including positron emission tomography (PET) imaging applications. AI has the ability to enhance and optimize all aspects of the PET…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Arkadiusz Sitek , Sangtae Ahn , Evren Asma , Adam Chandler , Alvin Ihsani , Sven Prevrhal , Arman Rahmim , Babak Saboury , Kris Thielemans

The accurate segmentation of Coronary Computed Tomography Angiography (CCTA) images holds substantial clinical value for the early detection and treatment of Coronary Heart Disease (CHD). The Transformer, utilizing a self-attention…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Chenchu Xu , Meng Li , Xue Wu

Automatic detection and classification of Cardiovascular disease (CVD) from Computed Tomography (CT) images play an important part in facilitating better-informed clinical decisions. However, most of the recent deep learning based methods…

图像与视频处理 · 电气工程与系统科学 2026-05-07 Ajay Mittal , Raghav Mehta , Omar Todd , Philipp Seeböck , Georg Langs , Ben Glocker

Coronary CT angiography (CCTA) and intravascular ultrasound (IVUS) provide complementary information for coronary artery disease assessment, making their registration valuable for comprehensive analysis. However, existing registration…

图像与视频处理 · 电气工程与系统科学 2024-12-24 R. L. M. van Herten , José P. Henriques , R. Nils Planken , Joost Daemen , Eline M. J. Hartman , Jolanda J. Wentzel , Ivana Išgum

The precise delineation of blood vessels in medical images is critical for many clinical applications, including pathology detection and surgical planning. However, fully-automated vascular segmentation is challenging because of the…

图像与视频处理 · 电气工程与系统科学 2024-09-20 Amine Sadikine , Bogdan Badic , Enzo Ferrante , Vincent Noblet , Pascal Ballet , Dimitris Visvikis , Pierre-Henri Conze