نتایج جستجو برای: aerial photography
تعداد نتایج: 40814 فیلتر نتایج به سال:
The aim of this work – research topological inconsistencies during adjustment and junction adjacent map sheets digital topographic maps scale 1:50000 with the use rigorous analytical geodetic methods on reference ellipsoid in geoinformation environment. analyzes phenomenon frames within zones Gauss-Krueger projections feasibility transition to environment creation database “The Main state map” ...
Detailed forest inventory information is critically required for many ecological applications as well as for forest management. However, traditional field measurements, which are labor intensive and time consuming, can provide only a very limited amount of information for large forest areas so that extrapolated estimation of forest characteristics tends to have large errors. With the help of ne...
In this work an automated traffic analysis in aerial image sequences recorded by an unmanned aerial vehicle (UAV) has been developed, which provides the trajectories of the vehicles especially during overtaking. Methods of photogrammetry and image processing are used to detect the vehicles and to determine and track their positions. Camera calibration is necessary in order to transform image co...
Starting from the rich historical documentation of the National Archaeological Museum of Aquileia, we provide some examples of crosschecking aerial photography and archival data, especially from cartographic archives: in the immediate Northern outskirts of the city we can assume the existence of residential areas one of which was located right by a production area while evidence obtained by aer...
The current standard methods for determination of seagrass status and trends involve mapping from 1:24,000 scale true color, not color infrared, aerial photography (NOAA-CSC 2001). Analysis of this scale color photography for seagrass distribution has traditionally been performed by photointerpretation of 9” x 9” positive phototransparencies, followed by digitization of seagrass polygons from m...
The Soy Moratorium is a pledge agreed to by major soybean companies not to trade soybean produced in deforested areas after 24th July 2006 in the Brazilian Amazon biome. The present study aims to identify soybean planting in these areas using the MOD13Q1 product and TM/Landsat-5 images followed by aerial survey and field inspection. In the 2009/2010 crop year, 6.3 thousand ha of soybean (0.25% ...
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