Results 21 to 30 of about 23,753 (298)

GNSS Accuracy Analysis for Efficiency of Ground Control Point (GCP) Measurement

open access: yesInternational Journal on Advanced Science, Engineering and Information Technology, 2020
Nowadays, the Global Navigation Satellite System (GNSS) has a significant role in the field of surveying and mapping, especially in determining the coordinates of ground control points for rectifying aerial photography, satellite imagery and airborne lidar.
- Khomsin   +2 more
openaire   +1 more source

Combined Block Adjustment for Optical Satellite Stereo Imagery Assisted by Spaceborne SAR and Laser Altimetry Data

open access: yesRemote Sensing, 2021
To ensure the accuracy of large-scale optical stereo image bundle block adjustment, it is necessary to provide well-distributed ground control points (GCPs) with high accuracy. However, it is difficult to acquire control points through field measurements
Guo Zhang   +4 more
doaj   +1 more source

PRECISION OF VISUAL LOCALIZATION USING DYNAMIC GROUND CONTROL POINTS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Localization is one of the first steps in navigation. Especially due to the rapid development in automated driving, a precise and reliable localization becomes essential.
P. Trusheim, C. Heipke
doaj   +1 more source

Utilization of Unmanned Aerial Vehicle (UAV) for Topographic Survey Using Ground Control Points (GCP) from Geodetic GNSS

open access: yesAceh International Journal of Science and Technology, 2023
In connection with the development plan of the USK campus II area, it is necessary to map the area to support and complete the necessary data. Mapping with an Unmanned Aerial Vehicle (UAV) is a strategy or way for large-scale mapping with a faster and more efficient time. It can save time compared to using conventional survey methods.
Nizamuddin Nizamuddin   +2 more
openaire   +2 more sources

Uncertainty Analysis for Image-Based Streamflow Measurement: The Influence of Ground Control Points

open access: yesWater, 2022
Large-scale particle image velocimetry (LSPIV) provides a cost-effective, rapid, and secure monitoring tool for streamflow measurements. However, surveys of ground control points (GCPs) might affect the camera parameters through the solution of ...
Wen‐Cheng Liu, Wei-Che Huang, C. Young
semanticscholar   +1 more source

Remotely Sensed Ground Control Points [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Accurate ground control is required to georeferenced airborne and spaceborne images. The production of ortho-photogrammetric data requires ground control that is traditionally provided as Ground Control Points (GCPs) by GNSS measurements in the field ...
P. Hummel
doaj   +1 more source

A weighted least squares solution for space intersection of spaceborne stereo SAR data [PDF]

open access: yes, 2001
The use of stereoscopic SAR images offers an alternative to interferometric SAR for the generation of digital elevation models (DEMs). The stereo radargrammetric method is robust and can generate DEMs of sufficient accuracy to geocode SAR images ...
Chen, P.-H., Dowman, I.J.
core   +1 more source

THE SYSTEM OVERVIEW AND GEOMETRIC IMAGE QUALITY OF THE TH-1 SATELLITE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
The Tian-Hui 1 (TH-1) is the first stereo mapping transmission satellite in China, and the primary mission goal of the satellite is for topographic mapping at 1:50,000 scale without Ground Control Points (GCPs).
J. Wang, J. Wang, X. Hu
doaj   +1 more source

Geometric Quality Testing of the WorldView-2 Image Data Acquired over the JRC Maussane Test Site using ERDAS LPS, PCI Geomatics and Keystone digital photogrammetry software packages – Initial Findings with ANNEX [PDF]

open access: yes, 2011
This report presents the geometric quality results recorded for the five samples of the WorldView-2 Basic and Standard (processing level 1A and 2A) imagery acquired over the JRC Maussane Test Site.
NOWAK DA COSTA JOANNA   +1 more
core   +1 more source

Unmanned Aerial Vehicle (UAV) for monitoring soil erosion in Morocco [PDF]

open access: yes, 2012
This article presents an environmental remote sensing application using a UAV that is specifically aimed at reducing the data gap between field scale and satellite scale in soil erosion monitoring in Morocco. A fixed-wing aircraft type Sirius I (MAVinci,
D'Oleire-Oltmanns, Sebastian   +3 more
core   +1 more source

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