Results 201 to 210 of about 12,614,375 (254)

A UAV Vision-Based Deformation Monitoring Method with 3D Scale Constraints. [PDF]

Sensors (Basel)
Liu J, Wu J, Dai W, Pan D, Zhou M, Xing L, Yu Z.   +6 more
europepmc   +1 more source

Time-Series Analysis of Microtopographic Evolution and Morphological Changes in Regressive Tidal Creeks via UAV-LiDAR. [PDF]

Sensors (Basel)
Kim J, Yoon H, Hong I.
europepmc   +1 more source

Development of a stream DTM generation method using vegetation and morphology composite filters with SfM point clouds. [PDF]

Sci Rep
Lee H, Gou J, Park J, Jang S, Song I.
europepmc   +1 more source

Mapping landscape changes to address dengue fever risk in Laos and Thailand. [PDF]

Curr Res Parasitol Vector Borne Dis
Umar M, Asghar S, Zafar S.
europepmc   +1 more source

Multi source Earth observation and machine learning framework for mapping land degradation vulnerability in salinity- and hydrothermal-stressed regions of the southern main Ethiopian Rift. [PDF]

PLoS One
Moged Reda T, Tadese A, Haimanote W, Jothimani M, Hangibayna A, Gunta S, Kabite Wedajo G, Gessesse B, Adamu A, Tomass Z, Gulie G, Yilma A, Tsegaye D.   +12 more
europepmc   +1 more source

Spatial analysis of groundwater potential mapping using the geospatial technology in the Northern Ethiopia, Amhara Region. [PDF]

Sci Rep
Nigusse AG, Baye G, Berhane G, Zenebe A, Gebremedhin E.   +4 more
europepmc   +1 more source

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Extraction of ground control points (GCPs) from synthetic aperture radar images and SRTM DEM

International Journal of Remote Sensing, 2006
Qualified ground control points (GCPs) are crucial in the geolocation of a remotely sensed image. If a region has no published map, the geographical coordinates of GCPs must be obtained indirectly. Although these can be re‐constructed from a synthetic aperture radar (SAR) image using sensor position and velocity, this conventional method does not ...
S.‐H. Hong, H.‐S. Jung, J.‐S. Won
exaly   +2 more sources

Role of Ground Control Points (GCPs) in Integration of Terrestrial Laser Scanner (TLS) and Close-range Photogrammetry (CRP)

, 2019
The need for GCPs is increasingly more important with the increase in higher accuracy requirements and increase in user expectations. GCPs (Ground control points) are necessary for orientation and placement of photographs and 3D models in the spatial coordinate system, and they play a key role in co-registration of two point clouds.
Yogender, Raghavendra S., Kushwaha S. K. P.   +2 more
openaire   +2 more sources

USING GROUND CONTROL POINTS (GCP) AND UAV POIND CLOUD PROCESSIN� IN WATER MANAGEMENT

SGEM International Multidisciplinary Scientific GeoConference� EXPO Proceedings, 2022
Using aerial vehicles without pilot (UAV-unmanned aerial vehicle) or Drone has seen a rapid development, over the last decade, in order to obtain spatial information of the Earth's surface. This scientific paper was realized for the Hydrotechnical Node of Costei, from Timis County and has as purpose the processing of aerial images, obtained from a ...
Adrian Smuleac, Laura Smuleac, Raul Pascalau, George Popescu, Adina Horablaga   +4 more
openaire   +1 more source

Accuracy assessment of 3D model reconstructed from UAV images by the distribution of the ground control points (GCPs)

AIP Conference Proceedings
Imzahim A. Alwan
exaly   +2 more sources