Results 21 to 30 of about 7,671 (261)

Expedition to Alaid and Ebeko volcanoes (Kuril islands) in summer 2023

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2023
The results of field work at the active volcanoes Alaid and Ebeko, located in the northern part of the Kuril Island Arc, carried out in June−July 2023 are described.
I.E. Bolshakov   +5 more
doaj   +1 more source

Evaluating Elevation Change Thresholds between Structure-from-Motion DEMs Derived from Historical Aerial Photos and 3DEP LiDAR Data

open access: yesRemote Sensing, 2020
This study created digital terrain models (DTMs) from historical aerial images using Structure from Motion (SfM) for a variety of image dates, resolutions, and photo scales.
Peter Chirico   +2 more
doaj   +1 more source

STUDY ON PRACTICAL TECHNOLOGIES OF AERIAL TRIANGULATION FOR REAL SCENE 3D MOELING WITH OBLIQUE PHOTOGRAPHY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
The key technologies in the real scene 3D modeling of oblique photography mainly include the data acquisition of oblique photography, layout and surveying of photo control points, oblique camera calibration, aerial triangulation, dense matching of multi ...
Z. Cai, W. Liu, G. Luo, Z. Xiang
doaj   +1 more source

Ultra-High-Definition Aerial Photo Categorization by an Enhanced Matrix Factorization Algorithm

open access: yesIEEE Access
In this work, we designed an effective ultra-high-definition (UHD) aerial photo categorization pipeline by designing an enhanced deep multi-clue matrix factorization (DMCMF).
Junwu Zhou, Guifeng Wang, Fuji Ren
doaj   +1 more source

Method of automating the process of object detection to increase the efficiency of deciphering aerial reconnaissance data

open access: yesСистеми обробки інформації, 2023
Problem factors that have a significant impact on the effectiveness of the process of deciphering air reconnaissance data obtained under the conditions of the use of unmanned aerial vehicles of the tactical level are analyzed, taking into account the ...
I. M. Tупиця   +5 more
doaj   +1 more source

L'AEROFOTOTECA NAZIONALE RACCONTA…La fotografia aerea nel teatro di guerra mediterraneo

open access: yesGEOmedia, 2019
January 23, 2019 was held at the British School at Rome (BSR) a meeting on Second World War military intelligence: aerial photography in the Mediterranean theater.
Elizabeth Jane Shepherd
doaj   +3 more sources

Displays of hard coal deep mining in aerial photos

open access: yesActa Universitatis Carolinae Geographica, 2013
Deep hard coal mining manifests itself in the landscape in a specific way: primarily through anthropogenic landforms and secondarily through land cover changes not directly related to mining activity. A majority of these displays can be interpreted using
Monika Mulková, Renata Popelková
doaj   +1 more source

MULTI-TEMPORAL ANALYSIS OF WWII RECONNAISSANCE PHOTOS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
There are millions of aerial photographs from the period of the Second Wold War available in the Allied archives, obtained by aerial photo reconnaissance, covering most of today’s European countries.
P. Meixner, M. Eckstein
doaj   +1 more source

Comparative Evaluation for Tracking the Capability of Solar Cell Malfunction Caused by Soil Debris between UAV Video versus Photo-Mosaic

open access: yesRemote Sensing, 2022
Monitoring the malfunction of the solar cells (for instance, 156 mm by 156 mm) caused by the soil debris requires a very low flight altitude when taking aerial photos, utilizing the autopilot function of unmanned aerial vehicle (UAV).
Young-Seok Hwang   +3 more
doaj   +1 more source

Using small drones to photo-identify Antillean manatees: a novel method for monitoring an endangered marine mammal in the Caribbean Sea

open access: yesEndangered Species Research, 2020
Population assessments and species monitoring for many endangered marine megafauna are limited by the challenges of identifying and tracking individuals that live underwater in remote and sometimes inaccessible areas.
Landeo-Yauri, SS   +4 more
doaj   +1 more source

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