Automatic change detection method and system based on historical background and current remote sensing image
A remote sensing image and change detection technology, which is applied in the field of remote sensing, can solve the problems of dependence, preprocessing work, and change detection relying on the radiation difference between two phases of images, so as to improve the accuracy and increase the positive detection rate.
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[0054] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art fall within the protection scope of the present invention.
[0055] Taking two actual monitoring scenarios of change monitoring topics (forest land degradation, water shrinkage, and building demolition) and the update of land use data in the Beijing-Tianjin-Hebei region as examples, the change detection embodiment is described in detail.
[0056] Taking the forest land degradation, water area shrinking and building demolition in the change monitoring topic as examples, the 2015 historical background interpretation vector dat...
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