Snow passive microwave mixed pixel decomposition method based on classified information of five types of ground features
A hybrid pixel decomposition and passive microwave technology is applied in the field of remote sensing image processing to improve the inversion accuracy.
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Embodiment 1
[0139] The present invention uses AMSR-E passive microwave remote sensing data and MODIS land cover classification UMD data products, combined with the proposed snow passive microwave remote sensing hybrid pixel decomposition method, to realize the snow accumulation in Xingkai Lake area, Heilongjiang Province, China on November 26, 2010 Efficient decomposition of passive microwave hybrid pixels.
[0140] Specifically include the following steps:
[0141] 1. Acquisition of ground object classification data:
[0142] The snow microwave mixed pixel decomposition method requires the classification information of the underlying surface objects in the observation area. The microwave brightness temperature of snow cover is greatly affected by the underlying surface. Through foundation experiments, it is found that the brightness temperature of snow cover on forest land is greatly affected by tree trunks, the brightness temperature of snow cover on grassland is mainly affected by the...
Embodiment 2
[0218] The present invention uses AMSR-E passive microwave remote sensing data and MODIS land cover classification LAI / FPAR data products, combined with the proposed snow passive microwave remote sensing hybrid pixel decomposition method, to realize the passive snow accumulation in Jilin Province, China on November 13, 2010. Efficient decomposition of microwave mixed pixels.
[0219] Specifically include the following steps:
[0220] 1. Acquisition of ground object classification data:
[0221] The snow microwave mixed pixel decomposition method requires the classification information of the underlying surface objects in the observation area. The microwave brightness temperature of snow cover is greatly affected by the underlying surface. Through foundation experiments, it is found that the brightness temperature of snow cover on forest land is greatly affected by tree trunks, the brightness temperature of snow cover on grassland is mainly affected by the scattering of grass,...
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