Results 11 to 20 of about 5,315 (261)

Review of intelligent detection and statistical methods of wild animals in UAV aerial photography

open access: yesHangkong gongcheng jinzhan, 2023
Recently, UAV aerial photography technology has been gradually applied to wildlife protection, which has greatly improved the investigation efficiency.Due to the great difference in characteristics between aerial images and ground images, and the complex
ZHU Ninghua, ZHENG Jiangbin, ZHANG Yang
doaj   +1 more source

Mapping The Colonies: The Directorate of Overseas Surveys' Unexpected Second Chapter [PDF]

open access: yesKronos
Following World War II, the British government created the Directorate of Overseas Surveys (DOS) to aerially photograph, survey and map 55 Commonwealth countries across the globe, including nearly two dozen across Africa.
Sheila Masson
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

Evaluation feature extracting from DubaiSat-2 satellite images over planned/unplanned complex study area in Egypt

open access: yesAin Shams Engineering Journal, 2018
DubaiSat-2 satellite has two cameras Panchromatic (Pan) and Multispectral (Ms) with 1.0 and 4 m ground resolution. Pan-sharpened products are produced from panchromatic and multispectral with 1.0 m ground resolution.
Ahmed Ibrahim Ramzi
doaj   +1 more source

Hydrogical Analysis of Flash Flood using GIS in AL-Saff Area, Helwan, Egypt [PDF]

open access: yesPort Said Engineering Research Journal, 2016
Through the current research, a systematic methodology, for estimating flood hazard and risk maps, based on a geographic approach using Geographical Information System (GIS) and Remote Sensing (RS), has been developed.
Ahmed Amin   +4 more
doaj   +1 more source

Investigation of the accuracy of determining planned and altitude coordinates based on survey data by unmanned aerial vehicles

open access: yesGeodesy and Cartography, 2023
Experimental studies of the accuracy of determining the plan and altitude coordinates were obtained from aerial photography materials and measured by a satellite receiver in real time.
Oleksandr Yanchuk   +3 more
doaj   +1 more source

GEODESY, CARTOGRAPHY AND AERIAL PHOTOGRAPHY [PDF]

open access: yesGEODESY, CARTOGRAPHY AND AERIAL PHOTOGRAPHY, 2020
The aim of this work is to study the fluctuations of the components of the zenith tropospheric delay during the annual period according to the ground meteorological measurements in Ukraine. Methodolodgy. The surface values of meteorological values at the stations: Lviv, Kyiv, Kharkiv and Odesa, obtained in 2019 with an interval of 3 hours were used for
B. Palianytsia   +2 more
openaire   +2 more sources

Remote Sensing and Its Uses in Archeology

open access: yesJournal of Arts & Social Sciences, 2011
Aerial photography, remote sensing technique has been used as a tool for acquisition of archaeological information for several decades. At the turn of the twentieth century, archaeologists realized that valuable archaeological data could be extracted ...
Abbas Sayed Ahmed Mohamed Ali   +1 more
doaj   +1 more source

SlimRGBD: A Geographic Information Photography Noise Reduction System for Aerial Remote Sensing

open access: yesIEEE Access, 2020
In the past ten years, civil drone technology has developed rapidly, and UAV (Unmanned Aerial Vehicle) has been widely used in various industries.
Chunxue Wu   +3 more
doaj   +1 more source

Applications of GIS in Flood Control and Crises Management Using Different Sources of DEMs in Al Arish, Sinai, Egypt [PDF]

open access: yesPort Said Engineering Research Journal, 2016
The aim of this research is to provide an approach to identify the potential routes of water flood in the study area as well as its relevant area of containment (Al Arish, North Sinai, Egypt).
Ahmed Amin   +4 more
doaj   +1 more source

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