Results 1 to 10 of about 1,891 (117)

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, Yuqi Cheng, Shibiao Xu
exaly   +3 more sources

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   +1 more source

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

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

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

RESEARCH ON HORIZONTAL ACCURACY METHOD OF HIGH SPATIAL RESOLUTION REMOTELY SENSED ORTHOPHOTO IMAGE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
At present, in the inspection and acceptance of high spatial resolution remotly sensed orthophoto image, the horizontal accuracy detection is testing and evaluating the accuracy of images, which mostly based on a set of testing points with the same ...
Y. M. Xu, J. X. Zhang, F. Yu, S. Dong
doaj   +1 more source

Temperature Accuracy Analysis by Land Cover According to the Angle of the Thermal Infrared Imaging Camera for Unmanned Aerial Vehicles

open access: yesISPRS International Journal of Geo-Information, 2022
Land surface temperature (LST) is one of the crucial factors that is important in various fields, including the study of climate change and the urban heat island (UHI) phenomenon.
Kirim Lee, Won Hee Lee
doaj   +1 more source

Home - About - Disclaimer - Privacy