Results 91 to 100 of about 50,688 (337)
3D visualization through the Hologram for the Learning of Area and Volume Concepts
Mathematics, 2019 This study aims to implement and evaluate a methodological proposal using the hologram as a teaching medium for the learning of concepts related to areas and volumes of geometrical bodies.
Lara Orcos +2 more
doaj +1 more source
Verification of the accommodative responses in viewing an on-axis analog reflection hologram
Open Physics, 2021 Vergence and accommodation responses of human vision are very important factors when a 3D image is observed, and a vergence-accommodation conflict (VAC) causes perceptual distortion, visual discomfort, and fatigue for an observer.
Lee Seunghyun +4 more
doaj +1 more source
3D hologram in futuristic classroom: A review
Periodicals of Engineering and Natural Sciences (PEN), 2019 Holography is a photographic method that records the light dispersed from a body and then produces a realistic image identified as three-dimensional Holograms.
Chandra Reka Ramachandiran +2 more
semanticscholar +1 more source
Super‐Resolution and High‐Data‐Density Acoustic Meta‐Hologram via Amplitude and Phase Coupling
Advanced Science, EarlyView.A super‐resolution acoustic meta‐hologram utilizes amplitude‐phase coupling under energy conservation constraints to overcome the traditional diffraction limit. This conceptually advanced approach achieves high‐fidelity acoustic field reconstruction and dense information transmission, unlocking new potentials for high‐resolution acoustic imaging and ...
Xiao Guo +15 more
wiley +1 more source
Design and Fabrication of a Holographic Radial Polarization Converter
Photonics, 2020 Radial polarization converters can convert an incident light into a radially polarized light, which is beneficial in a variety of applications. In this paper, a new design of holographic radial polarization converter is proposed which consists of eight ...
Jing-Heng Chen +6 more
doaj +1 more source
Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective
Advanced Electronic Materials, EarlyView.Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe +4 more
wiley +1 more source
Holo-U2Net for High-Fidelity 3D Hologram Generation
SensorsTraditional methods of hologram generation, such as point-, polygon-, and layer-based physical simulation approaches, suffer from substantial computational overhead and generate low-fidelity holograms.
Tian Yang, Zixiang Lu
doaj +1 more source
Learning Effectiveness of 3D Hologram Animation on Primary School Learners
, 2019 Integration of technology in education is changing traditional learning methods to satisfy global requirement towards Industrial Revolution (IR) 4.0. Innovative teaching methods help teachers to motivate and engage students in their learning.
Loh Ngiik Hoon, S. S. Shaharuddin
semanticscholar +1 more source
Metasurface hologram for polarization measurement.
Optics Letters, 2019 Polarization measurement is crucial for many optical applications in science and technology. Geometric metasurfaces have been used to develop polarization-sensitive holograms, providing a new opportunity for polarization measurement.
Scott Hermon +7 more
semanticscholar +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source