Výsledky vyhledávání - Ray tracing algorithm validation

Comprehensive and strict validation of neutral atmosphere ray tracing algorithms and some improvements for space geodetic radio signals Autor Li, Wei, He, Yujin, Chai, Yanju

“…This study presents a more thorough and rigorous method for the validation of atmospheric ray tracing algorithms used for computing the path delays of space geodetic microwave signals…”
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An Efficient Ray Validation Technique for Ray-Tracing in Urban Microcellular Environments Autor Hussain, Sajjad, Brennan, Conor

“… This letter presents a time efficient ray validation algorithm for ray-tracing models. The model presented in this letter uses a pre-computed database of building faces…”
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Monte Carlo and ray tracing algorithms in the cyberknife treatment planning for lung tumours- comparison and validation Autor Murali, V, Gopalakrishna Kurup, P G, Bhuvaneswari, N, Sudahar, H, Muthukumaran, M

“…Multiplan treatment planning system, used with Cyberknife system, provides the option of using either the ray tracing algorithm or the Monte Carlo algorithm for the final dose calculation…”
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Validation of Three-Dimensional Ray-Tracing Algorithm for Indoor Wireless Propagations Autor Salem, Majdi, Ismail, Mahamod, Misran, Norbahiah

“… An interpolation prediction method (IPM) has been proposed to predict the propagated signal and to make the ray-tracing algorithm faster, accurate, and simple…”
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Efficient Preprocessed Ray Tracing for 5G Mobile Transmitter Scenarios in Urban Microcellular Environments Autor Hussain, Sajjad, Brennan, Conor

“… This paper presents an efficient ray-tracing algorithm for a mobile transmitter radiating in an urban environment…”
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Millimeter-Wave Mobile Sensing and Environment Mapping: Models, Algorithms and Validation Autor Baquero Barneto, Carlos, Rastorgueva-Foi, Elizaveta, Keskin, Musa Furkan, Riihonen, Taneli, Turunen, Matias, Talvitie, Jukka, Wymeersch, Henk, Valkama, Mikko

“…Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research…”
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Ray Tracing Algorithm to Simulate Laser-Cut Panel Light-Redirecting Elements Autor Ribeiro, Pedro Vitor Sousa, Cabús, Ricardo Carvalho

“… This paper aims to propose an algorithm to simulate the behaviour of fenestration complex systems, such as the laser-cut panel, based on ray tracing techniques…”
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Deep Learning-Based mmWave Beam Selection for 5G NR/6G with Sub-6 GHz Channel Information: Algorithms and Prototype Validation Autor Sim, Min Soo, Lim, Yeon-Geun, Park, Sang Hyun, Dai, Linglong, Chae, Chan-Byoung

“…In fifth-generation (5G) communications, millimeter wave (mmWave) is one of the key technologies to increase the data rate. To overcome this technology's poor…”
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MO‐D‐BRB‐07: Phantom Validation and Clinical Application of Monte Carlo for Small Field SBRT Autor Grimm, J, Das, I, Cheng, C, Grimm, S, LaCouture, T, Asbell, S, Kramer, N, Pahlajani, N, Chen, Y, Xu, Q, Xue, J

“… We also recalculated Ray Tracing treatment plans with the Monte Carlo algorithm and compared to SBRT dose tolerance limits. Methods…”
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Varied line spacing plane holographic grating recorded by using uniform line spacing plane gratings Autor Qing, Ling, Gang, Wu, Bin, Liu, Qiuping, Wang

“… Analytical expressions of groove parameters are derived to the fourth order. A ray-tracing validation algorithm is provided based on Fermat's principle and a local search method…”
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mcrtFOAM: A mesh-agglomeration Monte Carlo ray-tracing solver for radiative transfer in gray semitransparent solids Autor Fan, Chao, Xia, Xin-Lin, Qiu, Jian, Sun, Chuang

“…Monte Carlo ray-tracing method has become a promising technique for solving radiative transfer…”
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Rainbow Schlieren Deflectometry for spherical fields: A new algorithm and numerical validation approach Autor Junne, Henning, Jurtz, Nico, Schulz, Joschka M., Kraume, Matthias, Böhm, Lutz

“… The algorithm determined radial temperature profiles and local Nusselt numbers from resulting deflection angles of the ray tracing simulations…”
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A Visibility Matching Technique for Efficient Millimeter-Wave Vehicular Channel Modeling Autor Hussain, Sajjad, Brennan, Conor

“… This communication presents an efficient ray-tracing algorithm for V2V propagation prediction. The model presented in this communication extends a previous model that uses a precomputed database of intra-visibility of walls and edges in the environment…”
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Leaf and wood classification framework for terrestrial LiDAR point clouds Autor Vicari, Matheus B., Disney, Mathias, Wilkes, Phil, Burt, Andrew, Calders, Kim, Woodgate, William, Freckleton, Robert

“… The automated separation algorithm and its intermediate steps are presented and validated. Validation consisted of using a testing framework with synthetic point clouds, simulated using ray…”
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Genetic Algorithm for Path Loss Model Selection in Signal Strength-Based Indoor Localization Autor Lee, Byeong-ho, Ham, Doyoung, Choi, Jeongsik, Kim, Seong-Cheol, Kim, Yong-Hwa

“…Ranging methods using received signal strength (RSS) information are widely used for indoor localization because they can be easily implemented without…”
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Millimeter-Wave Radio SLAM: End-to-End Processing Methods and Experimental Validation Autor Rastorgueva-Foi, Elizaveta, Kaltiokallio, Ossi, Ge, Yu, Turunen, Matias, Talvitie, Jukka, Tan, Bo, Furkan Keskin, Musa, Wymeersch, Henk, Valkama, Mikko

“… Additionally, the method has built-in robustness against unavoidable antenna sidelobes. Secondly, we propose new snapshot SLAM algorithms that have increased robustness…”
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Model and Validation of Single-Axis Tracking With Bifacial PV Autor Pelaez, Silvana Ayala, Deline, Chris, Greenberg, Peter, Stein, Joshua S., Kostuk, Raymond K.

“… Simulations show that smart tracking algorithms…”
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Ray-tracing images for melting PCM bridges in microgravity Autor Martínez, U., Gligor, D., Salgado Sánchez, P., Ezquerro, J.M., Porter, J.

“…•A ray-tracing algorithm is applied to melting PCM bridges.•Support material for the optical diagnosis of the MarPCM experiment…”
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Mammography and breast tomosynthesis simulator for virtual clinical trials Autor Badal, Andreu, Sharma, Diksha, Graff, Christian G., Zeng, Rongping, Badano, Aldo

“… of machine learning algorithms. We present a detailed description of the computational models implemented in the open source GPU-accelerated Monte Carlo x-ray imaging simulation code MC-GPU…”
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Field validation of data-driven BSDF and peak extraction models for light-scattering fabric shades Autor Wang, Taoning, Lee, Eleanor S., Ward, Gregory J., Yu, Tammie

“…) algorithm was developed to circumvent limits in BSDF angular resolution, where the specular peak is extracted during simulation by evaluating the BSDF in the through…”
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