Results 271 to 280 of about 12,005,461 (356)

T1 Over Squared Proton Density Ratio to Characterize Multiple Sclerosis Lesions

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Differentiating remyelinated from demyelinated lesions in MS remains challenging without histological confirmation. This study introduces the T1‐to‐PD2 ratio (TPR) imaging approach and evaluates its ability to characterize MS lesions alongside other quantitative MRI (qMRI) metrics. Methods Thirty individuals with MS (mean age: 47.5 ± 
Sarah J. Wright, Scotty G. McKay, Jean Ramos Bou, Fen Bao, Vivian B. Truong, Chenyang Li, Li Jiang, Anza B. Memon, E. Mark Haacke, Yulin Ge, Yongsheng Chen   +10 more
wiley   +1 more source

Temporal Interference Stimulation of Centromedian‐Parafascicular Complex in Disorders of Consciousness: A Pilot Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Treatment of disorders of consciousness (DoC) remains a major clinical challenge, and noninvasive, targeted modulation of deep brain structures has emerged as a promising therapeutic strategy. We aimed to evaluate the feasibility/safety and preliminary effects of thalamic temporal interference stimulation (TIS) targeting centromedian‐
Gengyao Hu, Changgeng Song, Dianwei Wu, Xiaoqian Niu, Jianmin Hao, Lijuan Liu, Xiaogang Kang, Wen Jiang   +7 more
wiley   +1 more source

Does Long‐Term Lower Extremity Strength Training in Adults With Knee Osteoarthritis and Varus Alignment Reduce Knee Joint Loading During Gait?

Arthritis Care &Research, EarlyView.
Objective We examined whether 18 months of strength training in individuals with knee varus alignment and medial tibiofemoral osteoarthritis (OA) reduced knee joint loads during walking compared to an attention control group. Methods This study was a secondary analysis of a randomized clinical trial that compared the effects of strength training to a ...
Stephen P. Messier, Matthew N. Vigliotti, Paige E. Rice, Brian Pietrosimone, Shannon L. Mihalko, Edward H. Ip, Richard F. Loeser, David J. Hunter, Ali Guermazi, Ryan Hill, Santiago Saldana, Kim L. Bennell, Paul DeVita   +12 more
wiley   +1 more source

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UAV Path Planning for Target Coverage Task in Dynamic Environment

IEEE Internet of Things Journal, 2023
Exploiting the possibility of an unmanned aerial vehicle (UAV) as a powerful tool for the Internet of Things applications, such as intelligent agricultural monitoring, intelligent transportation monitoring, etc., has gradually become a hot research topic
Jing Li, Yonghua Xiong, Jinhua She
semanticscholar   +1 more source

MOD-RRT*: A Sampling-Based Algorithm for Robot Path Planning in Dynamic Environment

IEEE transactions on industrial electronics (1982. Print), 2021
This article presents an algorithm termed as multiobjective dynamic rapidly exploring random (MOD-RRT*), which is suitable for robot navigation in unknown dynamic environment. The algorithm is composed of a path generation procedure and a path replanning
Jie Qi, Hui Yang, Haixin Sun
semanticscholar   +1 more source

Reliability and maintenance analysis of a degradation-threshold-shock model for a system in a dynamic environment

Applied Mathematical Modelling, 2021
In this paper, a degradation-threshold-shock model for a system in a dynamic environment is studied. Unlike most existing works assuming the independence between different failure mechanisms, this study considers a two-fold stochastic dependence between ...
Nan Zhang, M. Fouladirad, A. Barros, Jun Zhang   +3 more
semanticscholar   +1 more source

Dynamic synthetic environments: a survey [PDF]

The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology, 2018
The real environment in which military operations take place is dynamic and ever changing under the influence of natural effects and human activities.
Smelik, R.M., Wermeskerken, F.P.J. van, Krijnen, R., Kuijper, F.   +3 more
openaire   +2 more sources

Radiosity for dynamic environments

The Journal of Visualization and Computer Animation, 1997
In this paper we present a radiosity algorithm for dynamic scenes with a high level of frame-to-frame coherence. The algorithm is restricted to dynamic environments, where the object's movement is known a priori and the viewpoint is static. Each image is computed as the sum of two images: the base-level image, computed in a pre-process, and the frame ...
Xavier Pueyo, Dani Tost, Ignacio Martín 0002, Blanca Garcia   +3 more
openaire   +1 more source

Sodium Dynamics in the Cellular Environment

Journal of the American Chemical Society, 2023
Sodium ions are essential for the functions of biological cells, and they are maintained at the balance between intra- and extracellular environments. The quantitative assessment of intra- and extracellular sodium as well as its dynamics can provide crucial physiological information on a living system.
Yu Yin, Yifan Song, Yinhang Jia, Juntao Xia, Ruiliang Bai, Xueqian Kong   +5 more
openaire   +2 more sources

Unicube for Dynamic Environment Mapping

IEEE Transactions on Visualization and Computer Graphics, 2011
Cube mapping is widely used in many graphics applications due to the availability of hardware support. However, it does not sample the spherical surface evenly. Recently, a uniform spherical mapping, isocube mapping, was proposed. It exploits the six-face structure used in cube mapping and samples the spherical surface evenly.
Tze-Yui Ho, Liang Wan, Chi-Sing Leung, Ping-Man Lam, Tien-Tsin Wong   +4 more
openaire   +2 more sources