Hyperspectral coastal wetland sub-pixel change detection method based on cooperation of clustering segmentation and coupling end member extraction
An endmember extraction, clustering and segmentation technology, applied in the field of remote sensing image applications, can solve problems such as misclassification of ground object types, difficult ground object endmembers, low spatial resolution, etc., and achieve the effect of simple operability and strong practicability
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[0046]The invention is further described in connection with the examples. The description of the following examples is merely used to help understand the invention. It should be noted that for ordinary personnel in the art, several modifications to the present invention can also be performed in the claims of the invention without departing from the principles of the invention.
[0047]As an embodiment, a clustering division and coupling end element extracts a synergistic high-spectral coastal wetland sub-elevation change detection method,figure 1 As shown, specifically includes the following steps:
[0048]Step 1, preprocessing two-time phase high spectral data, the pretreatment comprising: radiation calibration, flash atmospheric correction, positive shot correction, imaging registration, image stitching.
[0049]Step 2, using the spectral characteristics, geometric characteristics, and texture characteristics, multi-feature extraction of the post-splicing image is used, and the image is mu...
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