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1,826 Results Found

  • Article
  • Open Access
2,642 Views
25 Pages

23 December 2024

This study presents a novel transmission-based method for characterizing local structural features, including the grammage, thickness, and fiber orientation, of paper materials. Some non-destructive techniques, such as micro-computed tomography (μ...

  • Article
  • Open Access
22 Citations
5,153 Views
8 Pages

We demonstrated that the tetramethylammonium hydroxide (TMAH) solution possesses different etching abilities to the chip sidewalls with different orientations because the orientation of chip sidewall determines the exposed crystallographic plane of g...

  • Article
  • Open Access
5 Citations
2,745 Views
14 Pages

Effects of Light Orientation and Mechanical Damage to Leaves on Isoflavone Accumulation in Soybean Seeds

  • Giuseppe Barion,
  • Mohamed Hewidy,
  • Anna Panozzo,
  • Andrea Aloia and
  • Teofilo Vamerali

20 March 2021

Soybean is largely cultivated worldwide providing high amounts of proteins and oil for food and feed, and isoflavones for nutraceutical uses. The increasing interest in agroforestry practices for improving carbon sequestration and mitigating climate...

  • Article
  • Open Access
3 Citations
2,958 Views
18 Pages

Light-emitting diodes (LEDs) with high modulation bandwidth are required for high-speed visible light communication applications. Crystal orientation in the GaN LED structure plays a key factor in its modulation bandwidth as the recombination lifetim...

  • Article
  • Open Access
3 Citations
2,346 Views
19 Pages

The accuracy of line-of-sight (LOS)-based indoor visible light positioning (VLP) depends directly on the accuracy of the received LOS power. In an actual indoor visible light communication (VLC) system, the total received power contains the LOS power...

  • Article
  • Open Access
5 Citations
2,936 Views
15 Pages

Conventional visible light positioning (VLP) systems usually require at least three light-emitting diodes (LEDs) to enable trilateration or triangulation, which is infeasible when the LED condition is constrained. In this paper, we propose a novel in...

  • Article
  • Open Access
13 Citations
3,681 Views
16 Pages

15 February 2023

Fine classification of urban nighttime lighting is a key prerequisite step for small-scale nighttime urban research. In order to fill the gap of high-resolution urban nighttime light image classification and recognition research, this paper is based...

  • Article
  • Open Access
1,906 Views
19 Pages

20 October 2023

We present the Pattern Orientation Finder (POF), an innovative, bio-inspired algorithm for measuring the orientation of patterns of parallel elements. The POF was developed to obtain an autonomous navigation system for drones inspecting vegetable cul...

  • Article
  • Open Access
1 Citations
1,690 Views
22 Pages

Single-Shot, Monochrome, Spatial Pixel-Encoded, Structured Light System for Determining Surface Orientations

  • Ahsan Elahi,
  • Qidan Zhu,
  • Jun Lu,
  • Umer Farooq,
  • Ghulam Farid,
  • Muhammad Bilal and
  • Yong Li

7 November 2024

This study introduces a technique for determining surface orientations by projecting a monochrome, spatial pixel-encoded pattern and calculating the surface normals from single-shot measurement. Our method differs from traditional methods, such as sh...

  • Article
  • Open Access
10 Citations
8,591 Views
15 Pages

23 November 2016

In this paper, an efficient method based on a light section sensor is presented for measuring cylindrical objects’ radii and orientations in a robotic application. By this method, the cylindrical objects can be measured under some special conditions,...

  • Article
  • Open Access
4 Citations
2,562 Views
15 Pages

31 August 2024

In this work, a method for measuring tow angles in carbon fiber components, based on the use of a polarized camera, is analyzed from a metrological point of view. Carbon fibers alter the direction of the reflected light’s electrical field, so t...

  • Article
  • Open Access
12 Citations
4,411 Views
17 Pages

Determination of the Optimal Orientation of Chinese Solar Greenhouses Using 3D Light Environment Simulations

  • Anhua Liu,
  • Demin Xu,
  • Michael Henke,
  • Yue Zhang,
  • Yiming Li,
  • Xingan Liu and
  • Tianlai Li

14 February 2022

With the continuous use of resources, solar energy is expected to be the most used sustainable energy. To improve the solar energy efficiency in Chinese Solar Greenhouses (CSG), the effect of CSG orientation on intercepted solar radiation was systema...

  • Article
  • Open Access
17 Citations
3,758 Views
16 Pages

27 April 2021

This paper present simulation-based results on the impact of transmitter (Tx) position and orientation uncertainty on the accuracy of the visible light positioning (VLP) system based on the received signal strength (RSS). There are several constraini...

  • Article
  • Open Access
5 Citations
5,845 Views
18 Pages

18 June 2015

We elucidated the light-matter interaction of individual ZnO NRs with a monochromatic beam of linearly polarized light that scatters elastically from the ZnO NRs by performing forward scattering and back-aperture imaging in a dark-field setting. We p...

  • Article
  • Open Access
174 Views
17 Pages

Using advanced optical modelling, we quantify how sinusoidal corrugation and emitter dipole orientation jointly govern light extraction from OLED thin-film stacks into a glass substrate for red, green, and blue emission. Irrespective of emission colo...

  • Article
  • Open Access
12 Citations
2,986 Views
8 Pages

11 March 2022

Metasurfaces can be used to precisely control polarization state of the scattered light. Here, we present a metasurface-based terahertz device. On the one hand, it serves as a high performance linear polarization converter in transmission of over 80%...

  • Article
  • Open Access
14 Citations
5,728 Views
17 Pages

19 September 2020

In this paper, daylight availability depending on building orientation in a typical educational classroom was investigated. Measurements of daylight illuminance distributions in the room depth for different illuminance outside the building allowed to...

  • Article
  • Open Access
2 Citations
1,728 Views
21 Pages

Influence of Printing Orientation on the Flexural Strength of Different Light-Cured Resins Manufactured with Two 3D Printers: In Vitro Study

  • Maria Francesca Sfondrini,
  • Federica Gariboldi,
  • Michael Cerri,
  • Claudia Todaro,
  • Maurizio Pascadopoli,
  • Giulia Casiraghi and
  • Andrea Scribante

26 June 2025

Three-dimensional printing is rapidly growing in applied dentistry. In order to print faster, increase workflow, and minimize the consumption of resin material, it is important to use the right printer and the correct printing orientation. The object...

  • Article
  • Open Access
3 Citations
2,485 Views
12 Pages

Understanding the Molecular Arrangement and Orientation Characteristics of Mesophase Pitch and Its Fibers via a Polarized Light Microscope

  • Jingpan Li,
  • Ximing Tang,
  • Ji Qin,
  • Jianxiao Yang,
  • Xiao Wu,
  • Yuxin Wei,
  • Xubin He and
  • Zujian Huang

16 April 2024

A polarized light microscope (PLM) was utilized to examine the optical textures of mesophase pitch (MP) and MP-derived fibers, which aimed to reveal the arrangement and orientation characteristics of pitch molecules and to clarify the evolution and t...

  • Article
  • Open Access
9 Citations
4,593 Views
12 Pages

Enhanced Photodegradation Activity of Hydrogen-Terminated Si Nanowires Arrays with Different-Oriented Crystal Phases

  • Longfei Song,
  • Linqu Luo,
  • Jianjun Song,
  • Hongchao Zhang,
  • Xuan Li,
  • Shuiling Cheng,
  • Wei Jin,
  • Jie Tang,
  • Lei Liu and
  • Fengyun Wang

1 December 2017

Although Si nanowires (NWs) arrays are superior candidates for visible light photocatalysis, reports about the photodegradation activity of various crystal-orientated Si NWs are still insufficient. Here, light-doped hydrogen-terminated Si NWs arrays...

  • Article
  • Open Access
1,079 Views
34 Pages

Line-of-Sight Probability Analysis of Underground Mining Visible Light Communication Diversity Schemes Under Random Receiver Orientation

  • Julián Solís,
  • Iván Sánchez,
  • Cesar Azurdia-Meza,
  • Pablo Palacios Játiva,
  • David Zabala-Blanco and
  • Ali Dehghan Firoozabadi

3 May 2025

Visiblelightcommunication (VLC) is an emerging technology that offers an alternative to traditional wireless communications systems. However, the technology presents limitations related to the impact of the receiver’s orientation, which can sig...

  • Article
  • Open Access
919 Views
15 Pages

Skyglow-Induced Luminance Gradients Influence Orientation in a Migratory Moth

  • Yi Ji,
  • Yibo Ma,
  • Zhangsu Wen,
  • Boya Gao,
  • James J. Foster,
  • Daihong Yu,
  • Yan Wu,
  • Guijun Wan and
  • Gao Hu

10 December 2025

Artificial light at night (ALAN) is altering nocturnal ecosystems. While the effects of direct light sources on insect behavior are well studied, the influence of large-scale skyglow on migratory orientation remains unclear. Here, we tested how skygl...

  • Article
  • Open Access
1,212 Views
39 Pages

8 October 2025

Visible Light Positioning (VLP) has emerged as a pivotal technology for industrial Internet of Things (IoT) and smart logistics, offering high accuracy, immunity to electromagnetic interference, and cost-effectiveness. However, fluctuations in signal...

  • Article
  • Open Access
736 Views
11 Pages

19 September 2025

Collagen is the primary load-bearing component in connective tissues, and its organization dictates the biomechanical properties and functions of the tissue. Polarized light imaging has been an effective tool for characterizing collagen organization....

  • Article
  • Open Access
3 Citations
2,706 Views
23 Pages

A Computer Vision Milky Way Compass

  • Yiting Tao,
  • Michael Lucas,
  • Asanka Perera,
  • Samuel Teague,
  • Eric Warrant and
  • Javaan Chahl

15 May 2023

The Milky Way is used by nocturnal flying and walking insects for maintaining heading while navigating. In this study, we have explored the feasibility of the method for machine vision systems on autonomous vehicles by measuring the visual features a...

  • Article
  • Open Access
11 Citations
5,392 Views
23 Pages

The visual and non-visual effectiveness of light is often determined by measuring the spectrally weighed irradiance on the corneal plane. This is typically achieved using spectral irradiance or illuminance measurements, captured in a hemispheric (2&p...

  • Article
  • Open Access
14 Citations
4,338 Views
19 Pages

2 September 2019

In this study, we report the synthesis, characterization, and chiroptical properties of azo-group-containing chiral salen type Schiff base Ni(II), Cu(II), and Zn(II) complexes absorbed on gold nanoparticles (AuNPs) of 10 nm diameters. Induced circula...

  • Article
  • Open Access
755 Views
15 Pages

25 November 2025

Additive manufacturing (AM) technologies, particularly Fused Deposition Modeling (FDM) and Digital Light Processing (DLP), offer viable solutions for producing Auxetic materials characterized by their negative Poisson’s ratio. This study invest...

  • Article
  • Open Access
1 Citations
1,092 Views
13 Pages

Influence of Post-Washing Time and Build Orientation on Mechanical Properties and Biocompatibility of Additively Manufactured Permanent Dental Resin Material

  • Pei-Wen Peng,
  • Jia-Syuan Chou,
  • Le-Xin Chen,
  • Po-En Chuang,
  • Hidekazu Takahashi,
  • Min-Chieh Hsieh and
  • Wei-Fang Lee

5 October 2025

Background: Digital light processing (DLP) is widely used in permanent dental restorations for its precision and efficiency, yet the effects of build orientation and post-washing time on resin properties remain unclear. This study aims to investigate...

  • Article
  • Open Access
383 Views
17 Pages

21 January 2026

This in vitro study aimed to evaluate the effects of resin type, layer thickness, and printing orientation on the surface and mechanical properties of 3D-printed occlusal splints fabricated using digital light processing (DLP) technology. Three comme...

  • Article
  • Open Access
2 Citations
2,443 Views
25 Pages

Biofilms are key bacterial communities in genetic and adaptive resistance to antibiotics as well as disease control strategies. The mature high-coverage biofilm formations of the Vibrio campbellii strains (wild type BB120 and isogenic derivatives JAF...

  • Article
  • Open Access
342 Views
8 Pages

Influence of Model Design and Printing Orientation on the Dimensional Accuracy of 3D-Printed Models for Implant-Supported Restorations

  • Felix Förtsch,
  • Antonius Klemt,
  • Valentin Kabst,
  • Harald Schwandner,
  • Manfred Wichmann and
  • Ragai Edward Matta

28 January 2026

Dimensional accuracy of 3D-printed implant models is essential for precise implant-supported restorations. The objective of this study was to evaluate the influence of printing orientation and model base design on the accuracy of implant position tra...

  • Article
  • Open Access
8 Citations
3,602 Views
11 Pages

7 May 2018

We have investigated linearly polarized UV light-induced molecular orientation due to Weigert effect of composite materials of new six binuclear nickel(II), copper(II), and zinc(II) complexes of two rigid Schiff base ring ligands (L1 and L2) composit...

  • Article
  • Open Access
21 Citations
5,998 Views
26 Pages

29 November 2017

The present study is focused on the development of a new control-oriented semi-empirical model to predict nitrogen oxide (NOx) emissions in a light-duty diesel engine under both steady-state and transient conditions. The model is based on the estimat...

  • Article
  • Open Access
5 Citations
2,854 Views
16 Pages

In this paper, we develop new classification and estimation algorithms in the context of free space optics (FSO) transmission. Firstly, a new classification algorithm is proposed to address efficiently the problem of identifying structured light mode...

  • Article
  • Open Access
12 Citations
3,145 Views
18 Pages

A Novel and Adaptive Angle Diversity-Based Receiver for 6G Underground Mining VLC Systems

  • Pablo Palacios Játiva,
  • Iván Sánchez,
  • Ismael Soto,
  • Cesar A. Azurdia-Meza,
  • David Zabala-Blanco,
  • Muhammad Ijaz,
  • Ali Dehghan Firoozabadi and
  • David Plets

22 October 2022

Visible light communication (VLC) is considered an enabling technology for future 6G wireless systems. Among the many applications in which VLC systems are used, one of them is harsh environments such as Underground Mining (UM) tunnels. However, thes...

  • Article
  • Open Access
33 Citations
3,701 Views
16 Pages

Optical and Mechanical Properties of Layered Infrared Interference Filters

  • Michał Bembenek,
  • Mykola Makoviichuk,
  • Ivan Shatskyi,
  • Liubomyr Ropyak,
  • Igor Pritula,
  • Leonid Gryn and
  • Volodymyr Belyakovskyi

22 October 2022

The design and manufacturing technology of interference-absorbing short-wave filters based on a layered composition of Si–SiO on a sapphire substrate of various shapes was developed. A transition layer of SiO was applied to the surface of the s...

  • Article
  • Open Access
1 Citations
817 Views
21 Pages

Effects of Variations in Water Table Orientation on LNAPL Migration Processes

  • Huiming Yu,
  • Qingqing Guan,
  • Xianju Zhao,
  • Hongguang He,
  • Li Chen and
  • Yuan Gao

2 July 2025

Light non-aqueous phase liquids (LNAPLs) are significant groundwater contaminants whose migration in aquifers is governed by dynamic groundwater level fluctuations. This study establishes a multiphase flow coupling model integrating hydraulic, gaseou...

  • Article
  • Open Access
2 Citations
2,566 Views
18 Pages

15 July 2024

This paper investigated the feasibility of using 3D printing processes, specifically material extrusion (MEX) and vat photopolymerization (DLP—Digital Light Processing), to produce customized wrist–hand orthoses. Design, printability, and...

  • Article
  • Open Access
1,526 Views
22 Pages

Determination of the Mechanical Tensile Characteristics of Some 3D-Printed Specimens from NYLON 12 CARBON Fiber Material

  • Claudiu Babiș,
  • Andrei Dimitrescu,
  • Sorin Alexandru Fica,
  • Ovidiu Antonescu,
  • Daniel Vlăsceanu and
  • Constantin Stochioiu

This study investigates the mechanical behavior of Nylon 12 Carbon Fiber specimens manufactured through fused filament fabrication (FFF) for potential integration into light water well drilling rigs. Fifteen tensile test samples were 3D-printed on a...

  • Article
  • Open Access
1 Citations
1,998 Views
23 Pages

Daylighting Strategies for Low-Rise Residential Buildings Through Analysis of Architectural Design Parameters

  • Kamaraj Kalaimathy,
  • Sudha Gopalakrishnan,
  • Radhakrishnan Shanthi Priya,
  • Chandrasekaran Selvam and
  • Ramalingam Senthil

Daylighting is essential in residential building design because it influences energy efficiency and visual comfort while also supporting occupants’ health and overall well-being. Adequate natural light exposure aids circadian regulation and psy...

  • Article
  • Open Access
10 Citations
3,886 Views
12 Pages

24 April 2020

Oriental lacquer is a natural polymeric coating with a satiny texture and excellent characteristics, such as chemical resistance and durability. However, the poor lightfastness resulted in the natural aromatic structures of the urushiol structures li...

  • Article
  • Open Access
10 Citations
2,864 Views
13 Pages

Collagen Fibres Orientation in the Bone Matrix around Dental Implants: Does the Implant’s Thread Design Play a Role?

  • Francesco Valente,
  • Antonio Scarano,
  • Giovanna Murmura,
  • Giuseppe Varvara,
  • Bruna Sinjari,
  • Federico Mandelli,
  • Maurizio Piattelli,
  • Sergio Caputi and
  • Tonino Traini

The aim of this study was to analyse the influence of different thread shapes of titanium dental implant on the bone collagen fibre orientation (BCFO) around loaded implants. Twenty titanium dental implants, divided for thread shapes in six groups (A...

  • Article
  • Open Access
25 Citations
6,011 Views
13 Pages

Objective: A digital workflow opens up new possibilities for the indirect bonding (IDB) of brackets. We tested if the printing orientation for bracket transfer models on the build platform of a 3D printer influences the accuracy of the following IDB...

  • Article
  • Open Access
53 Citations
12,788 Views
20 Pages

Optimizing Land Use Allocation of Transit-Oriented Development (TOD) to Generate Maximum Ridership

  • Mohammed Ali Berawi,
  • Gunawan Saroji,
  • Fuad Adrian Iskandar,
  • Bernard Elpetino Ibrahim,
  • Perdana Miraj and
  • Mustika Sari

Transit-oriented development (TOD) is based around transit stations, with the emphasis on high population density and multifunctional areas in promoting sustainable mobility. This study aimed to develop a TOD model that could achieve an optimum land...

  • Article
  • Open Access
5 Citations
3,235 Views
19 Pages

Integrated Urban Transport and Land-Use Policies in Reducing CO2 Emissions and Energy Consumption: Case Study of a Medium-Sized City in Thailand

  • Prinya Chindaprasirt,
  • Pongrid Klungboonkrong,
  • Sittha Jaensirisak,
  • Natthapoj Faiboun,
  • Sina Long,
  • Atit Tippichai and
  • Michael A. P. Taylor

In developing cities, transport activities have become one of the primary sources of CO2 emissions and energy consumption owing to rapid economic growth, urbanization, and motorization. Khon Kaen City, Thailand, was chosen as a representative mid-siz...

  • Article
  • Open Access
27 Citations
5,033 Views
18 Pages

Assessing the Capability and Potential of LiDAR for Weed Detection

  • Nooshin Shahbazi,
  • Michael B. Ashworth,
  • J. Nikolaus Callow,
  • Ajmal Mian,
  • Hugh J. Beckie,
  • Stuart Speidel,
  • Elliot Nicholls and
  • Ken C. Flower

26 March 2021

Conventional methods of uniformly spraying fields to combat weeds, requires large herbicide inputs at significant cost with impacts on the environment. More focused weed control methods such as site-specific weed management (SSWM) have become popular...

  • Article
  • Open Access
1 Citations
1,395 Views
10 Pages

Polarized light imaging (PLI) has been effective in visualizing and quantifying collagen content. Collagen-specific data are often overlaid over the tissue image for visualization. However, such contextual tissue images are typically in grayscale and...

  • Article
  • Open Access
16 Citations
4,376 Views
16 Pages

12 June 2023

Periodontitis, a chronic inflammatory disease caused by microbial communities carrying pathogens, leads to the loss of tooth-supporting tissues and is a significant contributor to tooth loss. This study aims to develop a novel injectable cell-laden h...

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