نتایج جستجو برای: worldview 2
تعداد نتایج: 2528007 فیلتر نتایج به سال:
Tree species diversity is a key parameter to describe forest ecosystems. It is, for example, important for issues such as wildlife habitat modeling and close-to-nature forest management. We examined the suitability of 8-band WorldView-2 satellite data for the identification of 10 tree species in a temperate forest in Austria. We performed a Random Forest (RF) classification (object-based and pi...
The view of the world from different subjects is quite distinct, resulting in a different view of what it is to know, and what it is that is known about. Scientists are stereotypically Realists who seek objective facts about an independent external world. Literary theorists are stereotypically Constructivists, seeking insightful interpretations that are relevant to their community. Each overarc...
ماهواره worldview-2 یکی از آخرین ماهواره های ساخته شرکت digital globe است که در هشتم اکتبر سال 2009 راه اندازی شد. از مهم ترین مشخصه های ماهواره تصویربرداری worldview-2 توان تفکیک مکانی، زمانی، طیفی و رادیومتریک بالا و توانایی تصویربرداری پوششی می باشد. این ماهواره قادر است تصاویر پانکروماتیک با ابعاد پیکسل زمینی کمتر از 0.5 متر ( 0.46 متر ) در نادیر اخذ کند و یک منبع جدید توانمند در کاربردهای ...
Indigenous forest biome in South Africa is highly fragmented into patches of various sizes (most patches < 1 km). The utilization of timber and non-timber resources by poor rural communities living around protected forest patches produces subtle changes in the forest canopy which can be hardly detected on a timely manner using traditional field surveys. The aims of this study were to assess: (i...
Remote sensing image classification is one of the important methods of obtaining land cover/use information for nationwide general survey of geographical conditions in China. In this study, an object-oriented decision tree algorithm is utilized for land cover and land use mapping from high resolution WorldView-2 satellite remote sensing images. The major steps of this approach include image seg...
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