نتایج جستجو برای: sentinel 2
تعداد نتایج: 2536283 فیلتر نتایج به سال:
The estimation of biophysical variables from remote sensing data raises important challenges in terms the acquisition technology and its limitations. In this way, some vegetation parameters, such as chlorophyll fluorescence, require sensors with a high spectral resolution that constrains spatial while significantly increasing subpixel land-cover heterogeneity. Precisely, variability often makes...
BACKGROUND The objective of this study was to assess sentinel event analysis and relative factors in different mental healthcare settings. In addition, the occurrence of sentinel events in different hospital settings was compared and potential risk factors contributing to sentinel events identified. METHODS A total of 75 consecutive adult subjects were enrolled from 2 psychiatric units, 1 wit...
The study presents the analysis of possible use limited number Sentinel-2 and Sentinel-1 to check if crop declarations that EU farmers submit receive subsidies are true. used in research were randomly divided into two independent sets (training test). Based on training set, supervised classification both single images their combinations was performed using random forest algorithm SNAP (ESA) our...
Introduction: Lymphoscintigraphy is imaging of the lymphatic system and has been integrated into the sentinel node mapping procedures. Lymphoscintigraphy usually encompasses early or delayed static images. However, immediate dynamic imaging of the lymphatic basins and tumors has also been used as an adjunct lymphoscintigraphy imaging. The aim of this study was ...
A composite spectral feature space is used to characterize the mixing properties of Sentinel 2 Multispectral Instrument (MSI) spectra over a wide diversity landscapes. Characterizing linearity and identifying bounding endmembers allows Substrate Vegetation Dark (SVD) mixture model previously developed for Landsat MODIS sensors be extended MSI sensors. The utility SVD its ability represent varie...
Sentinel-2 is planned for launch in 2014 by the European Space Agency and it is equipped with the Multi Spectral Instrument (MSI), which will provide images with high spatial, spectral and temporal resolution. It covers the VNIR/SWIR spectral region in 13 bands and incorporates two new spectral bands in the rededge region, which can be used to derive vegetation indices using red-edge bands in t...
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