Results 21 to 30 of about 2,991,442 (236)

Automated Two-Step Seamline Detection for Generating Large-Scale Orthophoto Mosaics from Drone Images

open access: yesRemote Sensing
To generate an orthophoto mosaic from a collection of aerial images, the original images are first orthorectified individually using a Digital Surface Model (DSM).
Masood Varshosaz   +3 more
doaj   +2 more sources

Production of orthophoto map using mobile photogrammetry and comparative assessment of cost and accuracy with satellite imagery for corridor mapping: a case study in Manesar, Haryana, India

open access: yesAnnals of GIS, 2023
The study aims to find a low-cost alternate technology to get imagery, using mobile platform, and produce digital orthophoto for corridor mapping, with a higher degree of accuracy and which can reduce the lag time of acquisition of data.
Manuj Dev   +3 more
doaj   +1 more source

Automated LoD-2 Model Reconstruction from Very-HighResolution Satellite-derived Digital Surface Model and Orthophoto [PDF]

open access: yesIsprs Journal of Photogrammetry and Remote Sensing, 2021
Digital surface models (DSM) generated from multi-stereo satellite images are getting higher in quality owing to the improved data resolution and photogrammetric reconstruction algorithms.
Sheng Gui, R. Qin
semanticscholar   +1 more source

Detection and Monitoring of Woody Vegetation Landscape Features Using Periodic Aerial Photography

open access: yesRemote Sensing, 2023
Woody vegetation landscape features, such as hedges, tree patches, and riparian vegetation, are important elements of landscape and biotic diversity. For the reason that biodiversity loss is one of the major ecological problems in the EU, it is necessary
Damjan Strnad   +4 more
doaj   +1 more source

ACCURACY IMPROVEMENT OF DEM FOR GENERATING ORTHOPHOTO BY REVERSE PROJECTION METHOD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
The generation of orthophotos using digital aerial photography is performed for the maintenance of spatial information data for wide areas at the mid-scale.For orthophoto generation, a digital elevation model (DEM) based on stereo matching methods is ...
F. Sugiyama, H. Chikatsu
doaj   +1 more source

The analysis of data on cadastral parcels registered within real estate cadastre for category IA state roads in Republic of Serbia [PDF]

open access: yesTehnika, 2023
Data analysis on cadastral parcels (CPs)registered within the Real Estate Cadastre (REC) for 1A category state roads (highway) has been presented in the paper.
Avramović Milivoje D.
doaj   +1 more source

PRODUCTION IN GDLRC AND PRESENT REFLECTIONS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Recently, Turkey's National Geographic Information System (TNGIS) carried out a more comprehensive studies. General Directorate of Land Registry and Cadastre (GDLRC) within the scope of these studies has projects in many areas within the jurisdiction ...
A. Kisa   +3 more
doaj   +1 more source

RESEARCH ON THE KEY TECHNOLOGY OF UAV IN THE ACCURACY ASSESSMENT OF LAND COVER CLASSIFICATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
This paper uses UAV low-altitude aerial photography technology, equipped with orthophoto camera, tilt camera and LiDAR camera, to obtain and process high-precision evaluation data, which is used to evaluate the correctness of land cover classification ...
W. Gao   +5 more
doaj   +1 more source

MAGO: A NEW APPROACH FOR ORTHOPHOTOS PRODUCTION BASED ON ADAPTIVE MESH RECONSTRUCTION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Orthophotos are one of the most common and typical products of a photogrammetric post-processing and, since the diffusion of specific software, their generation and usage have become even more widespread.
S. Gagliolo   +3 more
doaj   +1 more source

Spatio-temporal change detection of forest canopy cover density in the Golestan National Park, Iran [PDF]

open access: yesEnvironmental Resources Research, 2021
In this study, spatio-temporal forest canopy cover density changes in the Golestan National Park (Iran) were assessed from 1967 to 2016 using aerial photos and satellite images in a Geographical Information Systems environment.
Mohsen Mosatfa   +2 more
doaj   +1 more source

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