Results 11 to 20 of about 804,011 (277)

Lightness constancy: ratio invariance and luminance profile [PDF]

open access: yes, 2009
The term simultaneous lightness constancy describes the capacity of the visual system to perceive equal reflecting surfaces as having the same lightness despite lying in different illumination fields.
Agostini, Tiziano   +2 more
core   +1 more source

Experimental Evaluation of Thermal and Lighting Performance Using Double Dynamic Insulated Glazing

open access: yesBuildings, 2022
Designing windows in hot climates that allow occupants to easily control their preferences in a smart home is of considerable importance. This paper aims to contribute to this topic by examining the potential of a smart window system that has double ...
Abdultawab M. Qahtan   +1 more
doaj   +1 more source

Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology

open access: yesCrystals, 2018
The Scattered Photon Extraction (SPE™) based on the concept of TIR lens combined with remote phosphor is proven to be one of the effective solutions for improving white LED efficiency, and it provides the omnidirectional light distribution for ...
Tsung-Xian Lee, Yun-Chieh Huang
doaj   +1 more source

Usability Evaluation for the Integration of Library Data Analysis and an Interactive Artwork by Sensing Technology

open access: yesApplied Sciences, 2020
In this research, we propose innovative ideas for digital art combined with educational applications for the library. It also presents the library’s information services to be more humane and interesting.
Yuh-Shihng Chang, Kuo-Jui Hu
doaj   +1 more source

Development of Optical Fiber-Based Daylighting System and Its Comparison

open access: yesEnergies, 2015
Fiber-optic daylighting systems have been shown to be a promising and effective way to transmit sunlight in the interior space whilst reducing electric lighting energy consumption.
Irfan Ullah, Allen Jong-Woei Whang
doaj   +1 more source

Illumination in binaries [PDF]

open access: yes, 1996
We give a simple, but accurate method that can be used to account for illumination in compact binary systems which have a low-mass companion, even if spherically symmetric illumination of the secondary star (not necessarily on the main sequence) is not ...
Hameury, J. -M., Ritter, H.
core   +2 more sources

Dynamic Illumination for Augmented Reality with Real-Time Interaction [PDF]

open access: yes, 2019
Current augmented and mixed reality systems suffer a lack of correct illumination modeling where the virtual objects render the same lighting condition as the real environment. While we are experiencing astonishing results from the entertainment industry
Alhakamy, A’aeshah, Tuceryan, Mihran
core   +1 more source

Light-Induced Sulfur Transport inside Single-Walled Carbon Nanotubes

open access: yesNanomaterials, 2020
Filling of single-walled carbon nanotubes (SWCNTs) and extraction of the encapsulated species from their cavities are perspective treatments for tuning the functional properties of SWCNT-based materials.
Olga V. Sedelnikova   +8 more
doaj   +1 more source

Concepts of Quranic illumination in Savavid period [PDF]

open access: yesنگره, 2016
Calligraphy and Illumination are two main elements of the book layout and writing the Quran. Illumination of the Quran that have been implemented in the history of art in Iran has features and special characteristics are aesthetic.
Samad Najarpoor jabbary
doaj   +1 more source

ON UNIFORMITY OF RASTER ILLUMINATION UNDER LASER SCANNING [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
The paper considers the possibility of a flat light field creation (light raster) of a large size by laser scanning at a distance of several tens of meters with angular sizes equal to 20º×4º.
S. A. Alekseev   +4 more
doaj   +1 more source

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