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This paper was intend to reveal the changes and grasp the trend of vegetation coverage in Shijiazhuang from 1995 to 2015. Firstly, dimidiate pixel model was used to calculate 6 periods of fractional vegetation coverage in Shijiazhuang based on Landsat TM/OLI data of 1995, 2001, 2007, 2009, 2012 and 2015, then CV model and Slope model were used to analysis spatial change characteristics and the trend,...
At present, object-extraction is one of the key problems of the data-procession to the aerial LIDAR dataset. The aim of this paper is to research the methods to classify and extract the object-points from the cloud points obtained by the aerial LIDAR system. In this paper, based on the different feature of elevation and intensity of different objects, the laser-points of buildings, vegetation and...
Grassland is very valuable natural resources of mankind. So the monitoring of grassland is very important to the protection of terrestrial ecosystems and national development. At present, remote sensing has become a very important tool for the grassland monitoring. In the field of remote sensing, the simulation and modeling of vegetation canopypsilas radiation transfer is a significant theoretical...
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