Method and system for quickly estimating surface albedo
A surface albedo and surface reflection technology, which is applied in the field of satellite passive remote sensing, can solve problems such as the inability to directly use the surface albedo database and limit the application of the surface albedo database
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[0027] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0028] A method for quickly estimating the surface albedo proposed in an embodiment of the present invention includes the process of establishing a channel conversion model and the process of estimating the surface albedo of a new channel. The establishment of the channel conversion model includes the spatiotemporal matching of the surface albedo data of the old and new channels and the training of the artificial neural network; the estimation of the surface albedo of the new channel is based on the trained artificial neural network, which quickly estimates the surface albedo on the new channel of the new satellite .
[0029] A) Build a channel switching model based on past satellite products
[0030] 1. Prepare the surface albedo products of old satellites in large areas for a long time (denoted as α 1 ) and the correspond...
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