Results 101 to 110 of about 2,045,190 (230)

An Evolutionary Approach towards Clustering Airborne Laser Scanning Data

open access: yesCoRR, 2012
In land surveying, the generation of maps was greatly simplified with the introduction of orthophotos and at a later stage with airborne LiDAR laser scanning systems. While the original purpose of LiDAR systems was to determine the altitude of ground elevations, newer full wave systems provide additional information that can be used on classifying the ...
Hochreiter, Ronald   +1 more
openaire   +4 more sources

Air‐Abrasion With Aluminum Oxide Particles in Non‐Carious Cervical Lesions: Impact on Sclerotic Superficial Layer, Surface Topography, and Restorative Adhesive Performance

open access: yesJournal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To evaluate the effect of airborne‐particle abrasion (APA) with aluminum oxide on superficial dentin sclerosis, surface topography, and bonding performance of a universal adhesive in natural non‐carious cervical lesions (NCCLs), using dentin classification by the North Carolina Index (NCI) and Optical Coherence Tomography Index (OCT).
Nathalie Murielly Rolim de Abreu   +4 more
wiley   +1 more source

Effect of substructure fabrication method and design on the fracture resistance properties of metal–ceramic restorations

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose In metal–ceramic restorations, the substructure fabrication method and design may affect the prognosis of the prosthesis. This study evaluated and compared the fracture resistance of metal–ceramic restorations fabricated with different substructure fabrication methods using two different alloy powders and designs.
Young‐Hoon Lee   +4 more
wiley   +1 more source

Bond strength enhancement for additively manufactured zirconia: Micro‐retentive design approach

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose To investigate the effect of digitally designed micro‐retention features on the bond strength of additively manufactured (AM) zirconia copings. Materials and Methods Sixty titanium base abutments (NobelParallel, NobelBiocare), pretreated with 50 µm alumina particles were divided into four groups (n = 15 per group); one group with ...
Rama B. Al‐Rashdan   +5 more
wiley   +1 more source

Unsupervised Classification for Landslide Detection from Airborne Laser Scanning

open access: yesGeosciences, 2019
Landslides are natural disasters that cause extensive environmental, infrastructure and socioeconomic damage worldwide. Since they are difficult to identify, it is imperative to evaluate innovative approaches to detect early-warning signs and assess ...
Caitlin J. Tran   +3 more
doaj   +1 more source

Digital elevation models of the sea-ice surface from airborne laser scanning during MOSAiC. [PDF]

open access: yesSci Data, 2023
Hutter N   +6 more
europepmc   +1 more source

Does treatment‐induced surface roughness of 3 mol% yttria‐stabilized tetragonal zirconia polycrystals influence the wear of opposing restorative materials? An in vitro study

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose This study aimed to investigate whether different surface treatments applied to 3 mol% yttria‐stabilized tetragonal zirconia polycrystals (3Y‐TZP), with comparable mean roughness (Ra) values, result in comparable values of additional surface roughness parameters, and to evaluate the influence of zirconia surface topography on vertical ...
Aline Stieper   +4 more
wiley   +1 more source

Diameter, height and species of 42 million trees in three European landscapes generated from field data and airborne laser scanning data. [PDF]

open access: yesOpen Res Eur, 2023
Aussenac R   +8 more
europepmc   +1 more source

Effects of low‐pressure plasma and ytterbium fiber laser on zirconia surface properties and bond strength to gingiva‐colored composite

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose To evaluate and compare the effects of surface activation by low‐pressure plasma (LPP) and surface texturing by ytterbium fiber laser (YFL) treatments on zirconia surface properties and shear bond strength (SBS) to a gingiva‐colored indirect composite under aged and non‐aged conditions.
Merve Akbulut   +2 more
wiley   +1 more source

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