Water body extraction method, device, electronic equipment and storage medium for remote sensing images
A technology for extracting remote sensing images and water bodies, which is applied in the field of remote sensing images and can solve problems such as accuracy degradation and interference
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Embodiment 1
[0077] Please see figure 1 , figure 1 It is a flow chart of a method for extracting water bodies from remote sensing images provided in the embodiment of the present application. Since the existing water body extraction methods cannot avoid the interference of ice and snow brightness, building land and mountain shadows, resulting in a decrease in extraction accuracy, the method provided in the embodiment of this application uses the water body index, brightness index and shadow index to remove the above interference, thereby improving extraction. precision. Such as figure 2 Shown is the program flow chart of the water body extraction method for remote sensing images. This method includes two parts: the initial division and the final division, that is, the preliminary water body extraction results are obtained through the calculation of the water body index, shadow index and brightness index and slope filtering, and then used The constructed water body discrimination mode...
Embodiment 2
[0151] The embodiment of the present application provides a remote sensing image water body extraction device, such as Figure 7 Shown is the structural block diagram of the water body extraction device for remote sensing images, which includes:
[0152] A preprocessing module 100, configured to acquire remote sensing images to be tested, and perform preprocessing on the remote sensing images to be tested;
[0153] The patch acquisition module 200 is configured to initially extract the water body area of the preprocessed remote sensing image based on the water body index, brightness index and shadow index, so as to obtain a patch image;
[0154] The identification module 300 is used to identify the pattern image by using a pre-established water body discrimination model, so as to distinguish water body patterns and non-water body patterns;
[0155] The result obtaining module 400 is configured to obtain the water body extraction result according to the distinguishing result...
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