Results 51 to 60 of about 55,690 (303)

Refinement of amino‐acid conformation vs. difference density maps in time‐resolved serial femtosecond crystallography data analysis

open access: yesFEBS Open Bio, EarlyView.
The dFoCC pipeline starts with observed DED and resting‐state coordinates, which are then used to generate a library of triggered states. Correlation analysis of the calculated DED features of each candidate vs observed DED permits quantitative evaluation of candidate structural quality.
Meng Iao Fong   +3 more
wiley   +1 more source

Time‐Continuous Quasi‐Monte Carlo Ray Tracing

open access: yes, 2017
Domain‐continuous visibility determination algorithms have proved to be very efficient at reducing noise otherwise prevalent in stochastic sampling. Even though they come with an increased overhead in terms of geometrical tests and visibility information
Gribel, C.J., Akenine‐Möller, T.
core   +1 more source

Indoor Radio Map Construction via Ray Tracing With RGB-D Sensor-Based 3D Reconstruction: Concept and Experiments in WLAN Systems

open access: yesIEEE Access, 2023
This paper proposes an RGB-D sensor-aided ray-tracing simulation framework for indoor radio map construction that models indoor information, such as walls and obstacles, as a set of cuboids.
Norisato Suga   +2 more
doaj   +1 more source

Ray tracing parametric patches [PDF]

open access: yesProceedings of the 9th annual conference on Computer graphics and interactive techniques, 1982
This paper describes an algorithm that uses ray tracing techniques to display bivariate polynomial surface patches. A new intersection algorithm is developed which uses ideas from algebraic geometry to obtain a numerical procedure for finding the intersection of a ray and a patch without subdivision.
openaire   +4 more sources

Cyclic azapeptide CD36 ligand attenuates cardiac injury and reduces long‐chain fatty acid accumulation after myocardial ischemia–reperfusion in mice

open access: yesFEBS Open Bio, EarlyView.
In a murine model of myocardial ischemia and reperfusion (MI/R), the CD36 azapeptide ligand MPE‐298 reduces cardiac injury and transiently lowers left ventricular long‐chain fatty acids (LCFAs) accumulation 3 h after reperfusion, accompanied by a decrease of oxidative stress and inflammation‐associated genes' expression in the heart and adipose tissue.
Jade Gauvin   +12 more
wiley   +1 more source

Texture Level of Detail Strategies for Real-Time Ray Tracing

open access: yes, 2019
Unlike rasterization, where one can rely on pixel quad partial derivatives, an alternative approach must be taken for filtered texturing during ray tracing. We describe two methods for computing texture level of detail for ray tracing. The first approach
Jim Nilsson   +17 more
core   +1 more source

Real-Time Rendering of Point Clouds With Photorealistic Effects: A Survey

open access: yesIEEE Access, 2022
Readily available RGB-D cameras in smart phones and improving 3D scanning technologies have made it possible to produce detailed point cloud and point-based models of real world objects even in real time.
Petrus E. J. Kivi   +5 more
doaj   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

open access: yesAdvanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin   +2 more
wiley   +1 more source

AN USER PROGRAMMABLE SYSTEM AGNOSTIC REAL-TIME RAY TRACING FRAMEWORK

open access: yes, 2021
Thesis (Master's)--University of Washington, 2021Ray tracing rendering is a well-understood rendering technique that can produce photorealistic images or complex visual effects.
Leung, Cho Chark Joe
core  

Estratégias e Implementação de Realismo Crescente em Ray-Tracing

open access: yes, 2023
As imagens produzidas pelo algoritmo de Ray-Tracing são reconhecidas pela sua alta qualidade e realismo. O obstáculo que impede a utilização destes algoritmos em sistemas de baixo custo consiste na grande exigencia em termos de tempo de processamento.
Sousa, A. Augusto   +3 more
core   +1 more source

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