Results 1 to 10 of about 55,131,924 (95)

Using 3D models to quantify aboveground biomass in the cushion-forming species Plantago rigida in an Andean páramo peatland [PDF]

open access: yesMires and Peat, 2023
Peatlands dominated by cushion-forming species have been recognised for their high rates of soil carbon storage, along with their crucial importance in local pastoral systems, and in water supply and regulation, in the tropical and subtropical Andes ...
Ricardo Jaramillo   +4 more
doaj   +1 more source

Workshop on 3D mapping of habitats and biological communities with underwater photogrammetry [PDF]

open access: yesResearch Ideas and Outcomes, 2023
For the past decades, photogrammetry has been increasingly used for monitoring spatial arrangement or temporal dynamics of submerged man-made structures and natural systems.
Loïc Van Audenhaege   +10 more
doaj   +3 more sources

Semantic Structure from Motion for Railroad Bridges Using Deep Learning

open access: yesApplied Sciences, 2021
Current maintenance practices consume significant time, cost, and manpower. Thus, a new technique for maintenance is required. Construction information technologies, including building information modeling (BIM), have recently been applied to the field ...
Gun Park, Jae Hyuk Lee, Hyungchul Yoon
doaj   +1 more source

RGBD Infant Head Reconstruction for Cranial Vault Asymmetry Estimation

open access: yesIEEE Access, 2022
We present an RGBD infant head reconstruction method with a mobile phone depth sensor on a novel dataset. Acquiring 3D models from infants enables many important medical tasks such as automatic cranial asymmetry classification for plagiocephaly therapy ...
Samuel Zeitvogel   +4 more
doaj   +1 more source

Performance Evaluation of Parallel Structure from Motion (SfM) Processing with Public Cloud Computing and an On-Premise Cluster System for UAS Images in Agriculture

open access: yesISPRS International Journal of Geo-Information, 2021
Thanks to sensor developments, unmanned aircraft system (UAS) are the most promising modern technologies used to collect imagery datasets that can be utilized to develop agricultural applications in these days. UAS imagery datasets can grow exponentially
Anjin Chang   +5 more
doaj   +1 more source

Towards a Mobile 3D Documentation Solution. Video-Based Photogrammetry and iPhone 12 Pro as Fieldwork Documentation Tools

open access: yesJournal of Computer Applications in Archaeology, 2023
New affordable equipment suitable for 3D fieldwork documentation has appeared during the last years. Both photogrammetry and laser scanning are becoming affordable for archaeologists, who often work with limited resources and tight time constraints. This
Nikolai Paukkonen
doaj   +1 more source

ANTHROPOMETRIC MEASUREMENT BASED ON STRUCTURE FROM MOTION IMAGING TECHNIQUE

open access: yesПриборы и методы измерений, 2016
The aim of this work was to estimate limitations related of the actual resolution of images taken into the object reconstruction procedure (using Structure from Motion method) applied for anthropometric measurements. This is necessary to define technical
S. Paśko, M. Sutkowski
doaj   +1 more source

Multi-Drone 3D Building Reconstruction Method

open access: yesMathematics, 2021
In the recent decade, the rapid development of drone technologies has made many spatial problems easier to solve, including the problem of 3D reconstruction of large objects.
Anton Filatov   +2 more
doaj   +1 more source

Block Partitioning and Merging for Processing Large-Scale Structure From Motion Problems in Distributed Manner

open access: yesIEEE Access, 2019
The processing time of incremental structure from motion increases exponentially with the number of images. As a result, a huge amount of time is needed for large datasets.
Luping Lu, Yong Zhang, Kai Liu
doaj   +1 more source

Born-Digital Logistics: Impacts of 3D Recording on Archaeological Workflow, Training, and Interpretation

open access: yesOpen Archaeology, 2021
Digital technologies have been at the heart of fieldwork at the Kaymakçı Archaeological Project (KAP) since its beginning in 2014. All data on this excavation are born-digital, from textual, photographic, and videographic descriptions of contexts and ...
Scott Catherine B.   +3 more
doaj   +1 more source

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