Extraction method and system for bedrock coast line
An extraction method and extraction system technology, applied in the field of bedrock coastline extraction, can solve the problems of no extraction results of different membership functions, comparative analysis, scattered distribution, etc., to achieve strong global search capabilities and robustness, Good resolution and extraction and zoom-in, easy to achieve the effect
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[0049] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0050] refer to figure 1 As shown, it is a flow chart of a preferred embodiment of the method for extracting bedrock coastline provided by Embodiment 1 of the present invention.
[0051] Step S11, using an object-oriented method to perform multi-scale segmentation on the remote sensing image data of the bedrock coastline to be extracted.
[0052] The present invention adopts the classification method of face-to-face objects. The smallest unit processed by the object-oriented classification method is an object composed of multiple pixels containing more semantic information, rather than a single pixel processed by the pixel-oriented classification method. Compared with pixels, objects contain not only spectral information, but also richer semantic information such as geometric information, texture information, topological information...
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