Results 11 to 20 of about 1,580,329 (205)

Analysis of Spatiotemporal Features in a Virtual Navigation Game Across Different Age Groups: Quantitative Research

JMIR Serious Games
BackgroundWith rapid urbanization, the proliferation of densely arranged buildings and increasingly homogeneous architectural designs has made disorientation and navigation difficulties more common, especially for older adults.
Xiaofeng Qiao, Shan Tian, Min Tang, Shipei He, Jinghui Wang, Linyuan Fan, Yuanjie Zhu, Zhiyang Zhang, Songjun Du, Chaojie Dong, Yepu Chen, Xiaoyu Liu   +11 more
doaj   +2 more sources

The impact of ultrasound contrast-enhanced fusion virtual navigation technology-guided microwave ablation (MWA) and standard MWA on the local tumor progression of hepatocellular carcinoma with unclear ultrasound images [PDF]

European Journal of Medical Research
Purpose Compared the impact of ultrasound contrast-enhanced fusion virtual navigation technology-guided microwave ablation (MWA) and standard MWA on the local tumor progression of hepatocellular carcinoma with unclear ultrasound images, to explore the ...
Ping Zhang, Qiong Zhou, Zhiyong Zeng
doaj   +2 more sources

Color Correction for Immersive Video Applications

IEEE Access, 2021
In this paper, the color correction method developed for immersive video systems is presented. The proposed method significantly increases the consistency of color characteristics of multiview sequences, understood both as the temporal and the inter-view
Adrian Dziembowski, Dawid Mieloch, Slawomir Rozek, Marek Domanski   +3 more
doaj   +1 more source

Effects of simulated augmented reality cueing in a virtual navigation task

Frontiers in Virtual Reality, 2022
Navigational tools are relied on to traverse unfamiliar grounds, but their use may come at a cost to situational awareness and spatial memory due to increased cognitive load.
Jeanine K. Stefanucci, David Brickler, Hunter C. Finney, E. Wilson, Trafton Drew, Sarah H. Creem-Regehr   +5 more
semanticscholar   +1 more source

The Cross-Zone Navigation and Signage Systems for Combatting Cybersickness and Disorientation in Middle-Aged and Older People within a 3D Virtual Store

Applied Sciences, 2022
With the maturation and popularization of 3D virtual reality (3D VR) technology, various corporations have employed 3D VR animations to enrich the experience of visiting a store and change how products are presented.
Cheng-Li Liu, Shiaw-Tsyr Uang
doaj   +1 more source

Real‐time ultrasound virtual navigation in 3D PET/CT volumes for superficial lymph‐node evaluation: innovative fusion examination

Ultrasound in Obstetrics and Gynecology, 2021
To evaluate the feasibility and clinical application of fusion imaging with virtual navigation, combining 18F‐fluorodeoxyglucose (18F‐FDG) positron emission tomography/computed tomography (PET/CT) with real‐time ultrasound imaging, in assessing ...
G. Garganese, S. Bove, S. Fragomeni, F. Moro, E. K. A. Triumbari, A. Collarino, D. Verri, S. Gentileschi, I. Sperduti, G. Scambia, V. Rufini, A. Testa   +11 more
semanticscholar   +1 more source

Visual-spatial processing impairment in the occipital-frontal connectivity network at early stages of Alzheimer’s disease

Frontiers in Aging Neuroscience, 2023
IntroductionAlzheimer’s disease (AD) is the leading cause of dementia worldwide, but its pathophysiological phenomena are not fully elucidated. Many neurophysiological markers have been suggested to identify early cognitive impairments of AD.
Iván Plaza-Rosales, Iván Plaza-Rosales, Enzo Brunetti, Enzo Brunetti, Enzo Brunetti, Rodrigo Montefusco-Siegmund, Samuel Madariaga, Rodrigo Hafelin, Daniela P. Ponce, Daniela P. Ponce, María Isabel Behrens, María Isabel Behrens, María Isabel Behrens, María Isabel Behrens, Pedro E. Maldonado, Pedro E. Maldonado, Andrea Paula-Lima, Andrea Paula-Lima, Andrea Paula-Lima   +18 more
doaj   +1 more source

Navigation assistance in Virtual Worlds [PDF]

InSITE Conference, 2001
In this paper we report about ongoing research on navigation assistance in virtual environments. Our aim is to contribute to the development of forms of navigation assistance that enable non-professional visitors of a virtual environment to find their way without previous training.
van Dijk, Betsy, op den Akker, Rieks, Nijholt, Anton, Zwiers, Job   +3 more
openaire   +3 more sources

Research on Accuracy of Augmented Reality Surgical Navigation System Based on Multi-View Virtual and Real Registration Technology

IEEE Access, 2020
The traditional navigation system used in spinal puncture is not able to monitor the surgical process in real time and the accuracy of navigation is unsatisfactory.
Fengfeng Zhang, Long Chen, Wenhua Miao, Lining Sun   +3 more
doaj   +1 more source

A Virtual System and Method for Autonomous Navigation Performance Testing of Unmanned Surface Vehicles

Journal of Marine Science and Engineering, 2023
An overall framework of the virtual testing system has been established based on the analysis of the virtual testing requirements for autonomous navigation performance of unmanned surface vehicles (USVs).
Guoquan Xiao, Guihong Zheng, Chao Tong, Xiaobin Hong   +3 more
doaj   +1 more source