中文
相关论文

相关论文: Adaptation to CT Reconstruction Kernels by Enforci…

200 篇论文

Building on crucial insights into the determining factors of the visual integrity of an image and the property of deep convolutional neural network (CNN), we have developed the Deep Feature Consistent Deep Image Transformation (DFC-DIT)…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Xianxu Hou , Jiang Duan , Guoping Qiu

Magnetic Resonance Imaging (MRI) is widely used in routine clinical diagnosis and treatment. However, variations in MRI acquisition protocols result in different appearances of normal and diseased tissue in the images. Convolutional neural…

In response to the need for rapid and accurate COVID-19 diagnosis during the global pandemic, we present a two-stage framework that leverages pseudo labels for domain adaptation to enhance the detection of COVID-19 from CT scans. By…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Runtian Yuan , Qingqiu Li , Junlin Hou , Jilan Xu , Yuejie Zhang , Rui Feng , Hao Chen

Purpose: Medical images acquired using different scanners and protocols can differ substantially in their appearance. This phenomenon, scanner domain shift, can result in a drop in the performance of deep neural networks which are trained…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Brian Guo , Darui Lu , Gregory Szumel , Rongze Gui , Tingyu Wang , Nicholas Konz , Maciej A. Mazurowski

Assume you encounter an inverse problem that shall be solved for a large number of data, but no ground-truth data is available. To emulate this encounter, in this study, we assume it is unknown how to solve the imaging problem of Computed…

With a Coronavirus disease (COVID-19) case count exceeding 10 million worldwide, there is an increased need for a diagnostic capability. The main variables in increasing diagnostic capability are reduced cost, turnaround or diagnosis time,…

图像与视频处理 · 电气工程与系统科学 2020-09-21 Hussin K. Ragb , Ian T. Dover , Redha Ali

Population imaging studies rely upon good quality medical imagery before downstream image quantification. This study provides an automated approach to assess image quality from cardiovascular magnetic resonance (CMR) imaging at scale. We…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Shahabedin Nabavi , Hossein Simchi , Mohsen Ebrahimi Moghaddam , Alejandro F. Frangi , Ahmad Ali Abin

Conventional Fourier-domain Optical Coherence Tomography (FD-OCT) systems depend on resampling into wavenumber (k) domain to extract the depth profile. This either necessitates additional hardware resources or amplifies the existing…

光学 · 物理学 2025-09-24 Maryam Viqar , Erdem Sahin , Elena Stoykova , Violeta Madjarova

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

We present a deep-learning based computing framework for fast-and-accurate CT (DL-FACT) testing of COVID-19. Our CT-based DL framework was developed to improve the testing speed and accuracy of COVID-19 (plus its variants) via a DL-based…

图像与视频处理 · 电气工程与系统科学 2021-12-20 Garvit Goel , Jingyuan Qi , Wu-chun Feng , Guohua Cao

In this work, CT-xCOV, an explainable framework for COVID-19 diagnosis using Deep Learning (DL) on CT-scans is developed. CT-xCOV adopts an end-to-end approach from lung segmentation to COVID-19 detection and explanations of the detection…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Ismail Elbouknify , Afaf Bouhoute , Khalid Fardousse , Ismail Berrada , Abdelmajid Badri

We propose a novel continual self-supervised learning (CSSL) framework for simultaneously learning diverse features from multi-window-obtained chest computed tomography (CT) images and ensuring data privacy. Achieving a robust and highly…

Computed Tomography (CT) is a non-invasive imaging modality with applications ranging from healthcare to security. It reconstructs cross-sectional images of an object using a collection of projection data collected at different angles.…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Muhammad Usman Ghani , W. Clem Karl

Background: Dual-energy CT (DECT) and material decomposition play vital roles in quantitative medical imaging. However, the decomposition process may suffer from significant noise amplification, leading to severely degraded image…

Despite their success in many computer vision tasks, convolutional networks tend to require large amounts of labeled data to achieve generalization. Furthermore, the performance is not guaranteed on a sample from an unseen domain at test…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Ozan Ciga , Jianan Chen , Anne Martel

State-of-the-art approaches to infer dense depth measurements from images rely on CNNs trained end-to-end on a vast amount of data. However, these approaches suffer a drastic drop in accuracy when dealing with environments much different in…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Alessio Tonioni , Matteo Poggi , Stefano Mattoccia , Luigi Di Stefano

Dynamic free-breathing fetal cardiac MRI is one of the most challenging modalities, which requires high temporal and spatial resolution to depict rapid changes in a small fetal heart. The ability of deep learning methods to recover…

图像与视频处理 · 电气工程与系统科学 2023-08-16 Denis Prokopenko , Kerstin Hammernik , Thomas Roberts , David F A Lloyd , Daniel Rueckert , Joseph V Hajnal

Deep neural networks often suffer performance drops when test data distribution differs from training data. Domain Generalization (DG) aims to address this by focusing on domain-invariant features or augmenting data for greater diversity.…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Nam Duong Tran , Nam Nguyen Phuong , Hieu H. Pham , Phi Le Nguyen , My T. Thai

Objective: X-ray computed tomography employing sparse projection views has emerged as a contemporary technique to mitigate radiation dose. However, due to the inadequate number of projection views, an analytic reconstruction method…

机器学习 · 计算机科学 2025-01-10 Yoseob Han

Purpose: Identifying intravenous (IV) contrast use within CT scans is a key component of data curation for model development and testing. Currently, IV contrast is poorly documented in imaging metadata and necessitates manual correction and…