Results 81 to 90 of about 12,614,384 (261)

The Influence of Ground Control Points (GCPs) for Digital Elevation Models (DEMs) Using UAVs

Unmanned aerial vehicles are a modern technology for collecting data for aerial surveying to produce high-resolution digital elevation models (DEMs). This accuracy is achieved using ground control points (GCPs), which are specific locations on the ground
Kamal M. Gamal, Ahmed S. Elshrkawy, Ahmed Elshesheny, Osama M. Moussa   +3 more
core   +1 more source

MULTI-GNSS PPP: An Alternative Positioning Technique for Establishing Ground Control Points

International Journal of Environment and Geoinformatics, 2020
Traditionally, ground control points (GCPs) are utilized to determine absolute image orientations indirectly in aerial triangulation. For a long time, differential and relative GNSS (Global Navigation Satellite System) positioning techniques have been ...
Berkay Bahadur, Metin Nohutçu
doaj   +1 more source

Real world testing and cost‐effectiveness analysis of subcutaneous EEG (REAL‐ASE): Protocol for a prospective multicentre interventional trial

Epilepsia Open, EarlyView.
Abstract Objective Epilepsy is a common condition associated with significant morbidity, mortality, and costs. Poor documentation of seizures is a major challenge in epilepsy care. Objective seizure counting with mobile devices may mitigate this challenge and improve patient management.
Matthew McWilliam, Pedro F. Viana, Eren Dursun, Joe Davies, Joel S. Winston, Jessica Agren, Harutomo Hasegawa, Jonas Duun‐Henriksen, Mark P. Richardson   +8 more
wiley   +1 more source

Higher geometric accuracy using GPS derived ground control points for LULC analysis

, 2021
Georeferencing in remote sensing imagery provides an integrated validation on the land use land cover (LULC) changes of urban growth. Geometic accuracy in georeferencing can be increased using Global Positioning System (GPS) derived ground control points
Mohd Yusoff, Mariney, Abdullah, Jamalunlaili, Yasin, Muhammad Yazrin, Mohd Noor, Nisfariza, Mohd Noor, Norzailawati   +4 more
core  

DataSheet1_Using existing infrastructure as ground control points to support citizen science coastal UAS monitoring programs.docx

, 2023
Recent publications have described the ability of citizen scientists to conduct unoccupied aerial system (UAS) flights to collect data for coastal management.
Lucas F. Rabins (14819161), Ethan J. Theuerkauf (3779899), Erin L. Bunting (14819164)   +2 more
core   +1 more source

Influence of flight altitude and control points in the georeferencing of images obtained by unmanned aerial vehicle

European Journal of Remote Sensing, 2021
This study aimed to explore the influence of flight altitude, density, and distribution of ground control points (GCPs) on the digital terrain model (DTM) in surveys conducted by unmanned aerial vehicles (UAVs).
Lucas Santos Santana, Gabriel Araújo E Silva Ferraz, Diego Bedin Marin, Brenon Dienevam Souza Barbosa, Luana Mendes Dos Santos, Patrícia Ferreira Ponciano Ferraz, Leonardo Conti, Stefano Camiciottoli, Giuseppe Rossi   +8 more
doaj   +1 more source

Fenfluramine in Rett syndrome: A multidimensional clinical study

Epilepsia Open, EarlyView.
Abstract Objective Rett syndrome (RTT) is a severe neurodevelopmental disorder frequently associated with drug‐resistant epilepsy, autonomic dysfunction, respiratory abnormalities, sleep disturbances, and behavioral impairment. Fenfluramine has shown efficacy in developmental and epileptic encephalopathies and may provide broader therapeutic benefits ...
Elena Gonzalez‐Alguacil, Nuria Lamagrande Casanova, Manuel Luján Bonete, David Mansilla Lozano, Juan José García Peñas, María Ballará Petitbó, Rocío Trincado Lamuño, Verónica Cantarín‐Extremera, Raquel Díaz Conejo, César Rodríguez Sánchez, Adrián García Ron, Víctor Soto Insuga   +11 more
wiley   +1 more source

Digitalisasi Pemetaan Topografi menggunakan Alat Drone serta Perhitungan Ketelitian dengan Ground Control Point (Gcp)

Jurnal Teknik Sipil Terapan
Perkembangan teknologi telah mendorong penggunaan drone untuk pemetaan topografi yang hemat biaya dan waktu. Pada penelitian yang dilakukan di area pengembangan perumahan Citraland Winangun, dilakukan penentuan kondisi topografi dan keakuratan proses pemetaan menggunakan drone dengan Ground Control Point (GCP).
Anastasya G.O Piyoh, I Gede Yohan Kafrain, Fenny Moniaga   +2 more
openaire   +1 more source

Chiral perovskites for next‐generation chiral optoelectronics and spintronics

FlexMat, EarlyView.
Benefiting from structural inversion symmetry breaking and strong spin‐orbit coupling, chiral perovskites possess intriguing chiral optical and spin properties. We overview their advances and core applications in perovskite solar cells, circularly polarized light detectors and spin circularly polarized‐light‐emitting diodes, offering great potential ...
Mengyao Zhang, Rui Xu, Xueyan Hou, Sihan Du, Mengting Xu, Jia Wu, Zhichao Lin, Pei Liu, Qiang Zhuang, Xiaoming Zhao, Yang Yang, Wenda Shi, Wanlin Guo, Jie Kong   +13 more
wiley   +1 more source

Ground truth extraction from LiDAR data for image orthorectification

, 2008
The availability of high accuracy GCPs (ground control points) and DEMs (digital elevation models) becomes the key issue for successful implementation of an image orthorectification project.
Liu, Xiaoye, Zhang, Zhenyu, Zhenyu Zhang, Xiaoye Liu   +3 more
core   +1 more source