نتایج جستجو برای: by using various maps alike dem
تعداد نتایج: 8841676 فیلتر نتایج به سال:
hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
The knowledge of the surface topography has a major importance in the field of Earth sciences. It is essential in any discipline concerned with process modeling like hydrology, climatology, geomorphology and ecology. The present study utilized Environmental Systems Research Institute’s (ESRI) ArcGIS 9.3 (with the spatial analyst extension) software, remote sensing data ( DEM and Digital Aerial ...
An Evaluation on the Data Quality of Srtm Dem at the Alpine and Plateau Area, North-western of China
This paper evaluates the quality of SRTM3 data for alpine and plateau areas in Northwestern (NW) China against DEM data extracted from topographic maps. These SRTM data were obtained from both the ESRI ArcGIS 9.2 software package and NASA's Jet Propulsion Laboratory website. It shows that these two data sources provide the approximate precision as the DEM based on 1:250000 scale topographic map...
Information Security is an important problem in communication. Information includes text, audio, video, image etc. When information is transferred through various networks, there is high chance of unauthorized access. In many fields such as medical science, military, geographic satellite images etc, high security of information is guaranteed using encryption. As a result, the data confidentiali...
We present a simple, efficient and practical algorithm for constructing and subsequently simplifying contour maps from massive high-resolution DEMs, under some practically realistic assumptions on the DEM and contours.
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
A geometric representation for images is studied in this work. This is based on two complementary geometric structures for the topographic representation of an image. The first one computes a description of the Morse structure, while the second one computes a simplified version of drainage structures. The topographic significance of the Morse and drainage structures of Digital Elevation Maps (D...
A target recognition capability is described that performs: color target detection, target type and pose hypothesis generation, and target type veri cation by 3-D alignment of target models to range and electro-optical imagery. The term `coregistration' is introduced to describe target, range and electro-optical (color and IR) sensor alignment correction. Online model feature prediction using 3...
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