Remote-sensing image building change detection method
A technology of change detection and remote sensing images, which is applied in the field of remote sensing image processing, can solve the problems of manual participation, etc., and achieve the effects of improving detection accuracy, reducing manpower burden, and good detection performance
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[0039] In order to better illustrate a method for detecting building changes in remote sensing images based on an attention mechanism and a feature pyramid network involved in the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:
[0040] Step 1, read in the image and preprocess it.
[0041] First, select the high-resolution remote sensing image T of the same area in two phases 1 and T 2 , including three channels of R, G, and B. The specific selection principle: select data taken in different years, similar dates, and climate and meteorological conditions, with consistent spatial resolution, and use the same preprocessing method to eliminate geometric and radiation differences. non-significant change.
[0042] Secondly, using the RPC Orthorectification Workflow process tool in the ENVI software, combined with the known high-resolution satellite remote sensing image RPC p...
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