نتایج جستجو برای: rapideye
تعداد نتایج: 257 فیلتر نتایج به سال:
The task of crop type classification with multitemporal imagery is nowadays often done applying classifiers that are originally developed for single images like support vector machines (SVM). These approaches do not model temporal dependencies in an explicit way. Existing approaches that make use of temporal dependencies are in most cases quite simple and based on rules. Approaches that integra...
Remote sensing is a suitable tool for estimating the spatial variability of crop canopy characteristics, such as canopy chlorophyll content (CCC) and green ground cover (GGC%), which are often used for crop productivity analysis and site-specific crop management. Empirical relationships exist between different vegetation indices (VI) and CCC and GGC% that allow spatial estimation of canopy char...
The retrieval of crop biophysical parameters using spectral indices obtained from high temporal and spatial resolution satellite data, is a valuable tool to monitor crop growth and status. Tasseled Cap Features (TCFs) for RapidEye data were derived from spectral variances typically present in agricultural scenes. The TCF Greenness (GRE) was aligned to the spectral variance of vital vegetation, ...
Com o objetivo de estudar a dinâmica dos fragmentos florestais utilizou-se dados do processamento das fotografias aéreas pancromáticas 1970 escala 1:25.000 e imagens satélite RapidEye AG 2012, processadas no sistema informação geográfica SPRING 5.3. A análise espacial eventos foi realizada pelo estimador Kernel método vizinho mais próximo para os efeitos primeira segunda ordem respectivamente. ...
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