Remote sensing survey method and system for estimating tree coverage percentage of city
A measurement method and coverage technology, which is applied in the fields of remote sensing image processing and application, urban garden statistics, forest and vegetation mapping, can solve the problems of low precision and difficulty in determining the coverage length and radius, and achieve high precision, accuracy and precision Improvement, high efficiency effect
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[0031] The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0032] figure 1 It is a flowchart of the remote sensing measurement method for estimating the urban tree coverage in the first embodiment of the present invention.
[0033] Such as figure 1 As shown, it includes the following processing steps:
[0034] Use multi-spectral remote sensing images to segment them for the purpose of extracting the canopy coverage area (S110);
[0035] Construct a fuzzy classifier to perform object-oriented tree coverage classification on the image regions generated by segmentation (S120);
[0036] Evaluate the accuracy of the classification results (S130);
[0037] Calculate the urban tree coverage rate according to the classified tree coverage area (S140).
[0038] In the present invention, in step S110, the resolution of the multi-spectral (blue, green, red, near-infrared band) remote sensing image used is a ground resolution of...
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