Results 1 to 10 of about 16,959 (229)

Popolni ortofoto v urbanih okoljih ( = True orthophoto in urban areas) [PDF]

open access: yesGeodetski Vestnik, 2021
True orthophoto is a better product than a classical orthophoto in urban areas, because buildings are depicted in the correct plane position, and the content around the building is also visible.
Mojca Kosmatin Fras   +2 more
doaj   +2 more sources

Development of an Automated Crack Detection System for Port Quay Walls Using a Small General-Purpose Drone and Orthophotos [PDF]

open access: yesSensors
Aging port infrastructure demands frequent and reliable inspections, yet the existing automated systems often require expensive industrial drones, posing significant adoption barriers for local governments with limited resources.
Daiki Komi   +2 more
doaj   +2 more sources

Real-Time Orthophoto Mosaicing on Mobile Devices for Sequential Aerial Images with Low Overlap

open access: yesRemote Sensing, 2020
Orthophoto generation is a popular topic in aerial photogrammetry and 3D reconstruction. It is generally computationally expensive with large memory consumption.
Yong Zhao, Shibiao Xu, Shuhui Bu
exaly   +3 more sources

OVERALL QUALITY CONTROL OF 1:10000 ORTHOPHOTO PRODUCTS IN THE THIRD NATIONAL LAND SURVEY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Orthographic image is an important reference data source for the third national land survey, as well as the positioning benchmark and statistical basis of the national land survey, which determines the accuracy of the third national land survey results ...
Q. Q. Yan   +4 more
doaj   +1 more source

Kajian Keandalan True Orthophoto Untuk Pemetaan Skala Besar 1 : 5.000

open access: yesGeoid, 2021
Pembangunan kewilayahan yang merata di Indonesia masih terkendala dengan tidak tersedianya peta dasar skala besar sebagai bahan utama dalam penyusunan Rencana Detail Tata Ruang (RDTR).
Andita Putri Damayanti   +1 more
doaj   +1 more source

Airborne laser bathymetry for documentation of submerged archaeological sites in shallow water [PDF]

open access: yes, 2015
Knowledge of underwater topography is essential to the understanding of the organisation and distribution of archaeological sites along and in water bodies.
Briese, Christian   +6 more
core   +14 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

Kakovost državnega ortofota v različnih letnikih njegove izdelave ( = Quality of the national orthophoto in different years of its production) [PDF]

open access: yesGeodetski Vestnik, 2014
The results of our research are presented in which we tested the hypothesis that the quality (especially positional accuracy and semantic quality) of national orthophoto of the same territory in different time periods has being improved as a consequence ...
Mojca Kosmatin Fras   +2 more
doaj   +1 more source

Visual Orthophoto Classification Application

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Data acquisition using remote sensing has opened up new possibilities of their analysis and application. For the ecological stability calculations, it is needed to divide the observed area into subsections based on the land character. The selection may be done by various kinds of processing. For example, it may be done manually,
Kriauciunaite-Neklejonoviene, Vilma   +2 more
openaire   +1 more source

True-orthophoto generation from UAV images: Implementation of a combined photogrammetric and computer vision approach [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
This paper presents a photogrammetric methodology for true-orthophoto generation with images acquired from UAV platforms. The method is an automated multistep workflow made up of three main parts: (i) image orientation through feature-based matching and ...
L. Barazzetti   +4 more
doaj   +1 more source

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