نتایج جستجو برای: geo potential height
تعداد نتایج: 1171568 فیلتر نتایج به سال:
Today’s geo-location estimation approaches are able to infer the location of a target image using its visual content alone. These approaches exploit visual matching techniques, applied to a large collection of background images with known geo-locations. Users who are unaware that visual retrieval approaches can compromise their geo-privacy, unwittingly open themselves to risks of crime or other...
This paper describes a set of experiments for monolingual English retrieval at GEO-CLEF 2005. We evaluate a technique for spatial retrieval based on named entity tagging, toponym resolution, and re-ranking by means of geographic filtering. To this end, we present a series of systematic experiments in the Vector Space paradigm. We investigate plain bag-of-word versus a kind of phrasal retrieval,...
PURPOSE The epidermal growth factor receptor (EGFR) autocrine signaling pathway is involved in cancer development and progression. EGFR inhibitors such as C225 (cetuximab), a chimeric human-mouse anti-EGFR monoclonal antibody, and ZD1839 (gefitinib), a small molecule EGFR-selective tyrosine kinase inhibitor, are in advanced clinical development. The potential emergence of cancer cell resistance...
abstract this paper presents a robust approach using artificial neural networks in the form of a self organizing map (som) as a semi-automatic method for analysis and identification of morphometric features in two completely different environments, the man and biosphere reserve “eastern carpathians” (central europe) in a complex mountainous humid area and yardangs in lut desert, iran, a hyper a...
The metropolitan coastal zone mapping is critical for coastal resource management, coastal environmental protection, and coastal sustainable development and planning. The results of geometric processing of a Shanghai coastal zone from 0.7-m-resolution QuickBird Geo stereo images are presented firstly. The geo-positioning accuracy of ground point determination with vendor-provided rigorous physi...
Users’ interaction and collaboration on Web 2.0 via social bookmarking applications have resulted in creating a new structure of user-generated data, denoted folksonomies, where users, Web resources and tags generated by users are linked together. Some of those applications focus on geographic maps. They allow users to create and annotate geographic places and as such generate geo-folksonomies ...
background: soil and sediment serve as major reservoir for contaminants as they possess ability to bind various chemicals together. in this study the concentrations of heavy metals cd, cr and cu were analyzed in surface sediments of agh gel wetland in west of iran. methods: the sediment samples were taken from 10 stations. the samples were subjected to bulk digestion and chemical partitioning a...
Wetlands are some of the most beautiful landscapes that can be creator or stimulus of a development process for sustainable development in local communities and ecosystems if they are properly planned and managed for tourism development. Geo-tourism or geological tourism has been used as the equivalent for environmental tourism in recent years. Environmental tourism is a natural resource-based ...
Four heavy metals were measured in forty-nine topsoil samples collected fromagricultural areas in Siakh-Darengoun, Iran. The goals were to investigate soil spatialdistribution patterns of metals; their potential ecological risk; and sources. The Hakansonpotential ecological risk index and index of geo-accumulation (Igeo) were used forevaluating t...
LiDAR (Light Detection And Ranging) remote sensing has been used to extract surface information as it can acquire highly accurate object shape characteristics using geo-registered 3D-points, and therefore, proven to be satisfactory for many applications, such as high-resolution elevation model generation, 3-D city mapping, vegetation structure estimation, etc. Large footprint LiDAR especially, ...
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