Results 21 to 30 of about 4,410,782 (330)

Ray Tracing Method of Gradient Refractive Index Medium Based on Refractive Index Step

open access: yesApplied Sciences, 2021
For gradient refractive index media with large refractive index gradients, traditional ray tracing methods based on refined elements or spatial geometric steps have problems such as low tracing accuracy and efficiency.
Qingpeng Zhang, Yi Tan, Ge Ren, Tao Tang
doaj   +1 more source

RT Engine: An Efficient Hardware Architecture for Ray Tracing

open access: yesApplied Sciences, 2022
The reality of the ray tracing technology that leads to its rendering effect is becoming increasingly apparent in computer vision and industrial applications.
Run Yan   +8 more
doaj   +1 more source

iTrace – A Ray Tracing Aberrometer

open access: yesDelhi Journal of Ophthalmology, 2019
Modern ophthalmology focusses on visual quality and not just visual acuity. The quality of vision is affected by both lower and higher order aberrations.
Ayushi Sinha   +4 more
doaj   +1 more source

McStas (i): Introduction, use, and basic principles for ray-tracing simulations [PDF]

open access: yesJournal of Neutron Research, 2019
We present an overview of, and an introduction to, the general-purpose neutron simulation package McStas. We present the basic principles behind Monte Carlo ray-tracing simulations of neutrons performed in the package and present a few simple examples ...
P. Willendrup, K. Lefmann
semanticscholar   +1 more source

Ray Tracing for Radio Propagation Modeling: Principles and Applications

open access: yesIEEE Access, 2015
This paper reviews the basic concepts of rays, ray tracing algorithms, and radio propagation modeling using ray tracing methods. We focus on the fundamental concepts and the development of practical ray tracing algorithms.
Zhengqing Yun, Magdy F. Iskander
doaj   +1 more source

Dynamic Low-sampling Ambient Occlusion Real-time Ray Tracing for Molecular Rendering [PDF]

open access: yesJisuanji kexue, 2022
High-quality rendering in molecular visualization are particularly important for researchers to observe the structure of biomolecules.The rasterization rendering effect commonly used by mainstream molecular visualization tools is not good.Advanced ray ...
LI Jia-zhen, JI Qing-ge
doaj   +1 more source

Comparison of Phase Space and Quasi-Monte Carlo Ray Tracing for the 3D Compound Parabolic Concentrator [PDF]

open access: yesEPJ Web of Conferences
Phase space ray tracing is an alternative to (Quasi-)Monte Carlo ray tracing in 2D. We introduce a 3D phase space algorithm and apply it to the compound parabolic concentrator.
Jansen Willem   +3 more
doaj   +1 more source

Photorealistic Rapid Computer-Generated Holography Employing an Enhanced Path Tracing Technique With Sequence Generated Trial

open access: yesIEEE Photonics Journal, 2023
Fast holographic generation technology depends on the swift creation of computer-generated holograms (CGHs). Currently, the fast generation method of computer-generated holograms based on ray tracing is still based on non-physical ray tracing methods ...
Xindi Chen   +5 more
doaj   +1 more source

Application of ionospheric tomography for high frequency oblique incidence ray tracing

open access: yesAnnals of Geophysics, 2016
Recognizing the applicability of tomographic imaging in the ionosphere, the reconstruction method has been applied to generate more realistic low latitude ionospheric background based on the Ionex TEC data and also direct measurement TEC data over West ...
Sandip Nandi, Bijoy Bandyopadhyay
doaj   +1 more source

RAY TRACING RENDER MENGGUNAKAN FRAGMENT ANTI ALIASING

open access: yesJUTI: Jurnal Ilmiah Teknologi Informasi, 2008
Rendering is generating surface and three-dimensional effects on an object displayed on a monitor screen. Ray tracing as a rendering method that traces ray for each image pixel has a drawback, that is, aliasing (jaggies effect). There are some methods
Febriliyan Samopa, Wawan Mardian
doaj   +1 more source

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