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相关论文: Dental pathology detection in 3D cone-beam CT

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We propose a topology-constrained quantized nnUNet framework for efficient and anatomically accurate 3D tooth segmentation, addressing the challenges of spatial distortion introduced by quantization in deep learning models. The proposed…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Paarth Prasad , Ruchika Malhotra

Computed Tomography (CT) using synchrotron radiation is a powerful technique that, compared to lab-CT techniques, boosts high spatial and temporal resolution while also providing access to a range of contrast-formation mechanisms. The…

图像与视频处理 · 电气工程与系统科学 2025-01-20 Jiayang Shi , Daniel M. Pelt , K. Joost Batenburg

Computer Aided Diagnosis has emerged as an indispensible technique for validating the opinion of radiologists in CT interpretation. This paper presents a deep 3D Convolutional Neural Network (CNN) architecture for automated CT scan-based…

图像与视频处理 · 电气工程与系统科学 2019-06-05 Sumita Mishra , Naresh Kumar Chaudhary , Pallavi Asthana , Anil Kumar

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

There is an increasing demand in medical industries to have automated systems for detection and localization which are manually inefficient otherwise. In dentistry, it bears great interest to trace the pathway of mandibular canals…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Mrinal Kanti Dhar , Zeyun Yu

This study presents a novel approach for reconstructing cone beam computed tomography (CBCT) for specific orbits using known operator learning. Unlike traditional methods, this technique employs a filtered backprojection type (FBP-type)…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Chengze Ye , Linda-Sophie Schneider , Yipeng Sun , Andreas Maier

The standard non-invasive imaging technique used to assess the severity and extent of Coronary Artery Disease (CAD) is Coronary Computed Tomography Angiography (CCTA). However, manual grading of each patient's CCTA according to the…

We introduce a new computer aided detection and diagnosis system for lung cancer screening with low-dose CT scans that produces meaningful probability assessments. Our system is based entirely on 3D convolutional neural networks and…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Onur Ozdemir , Rebecca L. Russell , Andrew A. Berlin

Purpose: Aortic dissections are life-threatening cardiovascular conditions requiring accurate segmentation of true lumen (TL), false lumen (FL), and false lumen thrombosis (FLT) from CTA images for effective management. Manual segmentation…

图像与视频处理 · 电气工程与系统科学 2025-06-30 Hao Xu , Ruth Lim , Brian E. Chapman

Fundamental to improving Dental and Orthodontic treatments is the ability to quantitatively assess and cross-compare their outcomes. Such assessments require calculating distances and angles from 3D coordinates of dental landmarks. The…

数值分析 · 数学 2020-12-25 Brénainn Woodsend , Eirini Koufoudaki , Peter A. Mossey , Ping Lin

Due to the lack of standardized 3D cephalometric analytic methodology, 2D cephalograms synthesized from 3D cone-beam computed tomography (CBCT) volumes are widely used for cephalometric analysis in dental CBCT systems. However, compared…

图像与视频处理 · 电气工程与系统科学 2021-03-23 Yixing Huang , Fuxin Fan , Christopher Syben , Philipp Roser , Leonid Mill , Andreas Maier

Dental panoramic X-ray imaging is a popular diagnostic method owing to its very small dose of radiation. For an automated computer-aided diagnosis system in dental clinics, automatic detection and identification of individual teeth from…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Minyoung Chung , Jusang Lee , Sanguk Park , Minkyung Lee , Chae Eun Lee , Jeongjin Lee , Yeong-Gil Shin

Generalizability is a concern when applying a deep learning (DL) model trained on one dataset to other datasets. Training a universal model that works anywhere, anytime, for anybody is unrealistic. In this work, we demonstrate the…

医学物理 · 物理学 2020-04-20 Xiao Liang , Dan Nguyen , Steve Jiang

Computed tomography (CT) is a widely used non-invasive diagnostic method in various fields, and recent advances in deep learning have led to significant progress in CT image reconstruction. However, the lack of large-scale, open-access…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Maximilian B. Kiss , Ander Biguri , Zakhar Shumaylov , Ferdia Sherry , K. Joost Batenburg , Carola-Bibiane Schönlieb , Felix Lucka

In the field of dentistry, there is a growing demand for increased precision in diagnostic tools, with a specific focus on advanced imaging techniques such as computed tomography, cone beam computed tomography, magnetic resonance imaging,…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Walid Brahmi , Imen Jdey , Fadoua Drira

To shorten the door-to-puncture time for better treating patients with acute ischemic stroke, it is highly desired to obtain quantitative cerebral perfusion images using C-arm cone-beam computed tomography (CBCT) equipped in the…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Haotian Zhao , Ruifeng Chen , Jing Yan , Juan Feng , Jun Xiang , Yang Chen , Dong Liang , Yinsheng Li

Chronic obstructive pulmonary disease (COPD) is a lung disease that is not fully reversible and one of the leading causes of morbidity and mortality in the world. Early detection and diagnosis of COPD can increase the survival rate and…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Jalil Ahmed , Sulaiman Vesal , Felix Durlak , Rainer Kaergel , Nishant Ravikumar , Martine Remy-Jardin , Andreas Maier

Background: Intracranial bleeding (IB) is a life-threatening condition caused by traumatic brain injuries, including epidural, subdural, subarachnoid, and intraparenchymal hemorrhages. Rapid and accurate detection is crucial to prevent…

Accurate representation of tooth position is extremely important in treatment. 3D dental image segmentation is a widely used method, however labelled 3D dental datasets are a scarce resource, leading to the problem of small samples that…

图像与视频处理 · 电气工程与系统科学 2024-02-29 Yifu Zhang , Zuozhu Liu , Yang Feng , Renjing Xu

Inspired by the success of deep learning applications on restoration of low-dose and sparse CT images, we propose a novel method to reconstruct high-quality 4D cone-beam CT (4DCBCT) images from sparse datasets. Our approach combines the…

医学物理 · 物理学 2018-08-14 Joel Beaudry , Pedro L. Esquinas