Using the Yinchuan new generation radar volume scan data of severe convective precipitation in 2004-2005, composite reflectivity images in polar coordinate were projected into the coordinate of x-y. 51 cases were studied with gray level co-occurrence matrix and the parameters of angle second moment, contrast, correlation, entropy and inverse difference moment. Results show that, there are obvious differences of texture between the remote sense images of precipitation in Ningxia and south China. In the radar images of severe convective precipitation in climate arid region in north-mid part of Ningxia, the texture is not as distinct as in south China, and the definition is not very clear, the texture is weaker and thinner, the images are smoother and stable than that of south China, the features indicate that the clouds of severe convective precipitation in the climate arid region in north-mid part of Ningxia are homogeneous.
Texture Analysis on Weather Radar Images of Severe Convective Precipitation in the Arid Area of Ningxia
2008 Congress on Image and Signal Processing ; 2 ; 150-154
2008-05-01
318194 byte
Conference paper
Electronic Resource
English
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