A Spatial Downscaling Method of Multi-factor Remote Sensing Land Surface Temperature Based on Random Forest
A random forest and surface temperature technology, applied to computer parts, instruments, complex mathematical operations, etc., can solve problems such as low precision and unsatisfactory applications, and achieve the effects of improving accuracy and efficiency, expanding depth and breadth, and high efficiency
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[0031] The technical solution of the present invention will be further explained below in conjunction with the accompanying drawings.
[0032] The invention proposes a random forest-based multi-factor remote sensing land surface temperature space downscaling method. Specifically include the following steps:
[0033] Step 1: Obtain remote sensing data and preprocessing. Obtain thermal infrared remote sensing images and multispectral remote sensing images within the study area, and perform preprocessing. The preprocessing used mainly includes image correction, resampling, cropping and other operations. Correct the multispectral and thermal infrared images of remote sensing images, resample the multispectral remote sensing images to the same resolution as the thermal infrared remote sensing images, and uniformly crop them to the same research area, and then perform temperature inversion on the thermal infrared remote sensing images Obtain the surface temperature of the study a...
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