High-resolution image-based road region building change extraction method
A technology of high-resolution images and buildings, applied in the field of traffic remote sensing, can solve the complexity of road change detection without applying high-spatial-resolution images, and not fully considering the spectral characteristics of road and road features in high-spatial-resolution images, etc. question
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[0043] The present invention will be further described below with reference to the accompanying drawings and embodiments, but the present invention is not limited to the given examples.
[0044] Technical flow chart of the present invention sees figure 1 . The flow chart ( figure 1 ) are described separately.
[0045] A. Image Segmentation
[0046] Image segmentation is the process of dividing an image into non-overlapping meaningful regions, which are also called image objects. Image segmentation is a prerequisite step in object-oriented methods, and its quality directly affects the performance of subsequent processing analysis. At present, there are many methods of image segmentation, including the segmentation method based on watershed transform and the multi-resolution segmentation method in the commercial software eCognition. This embodiment adopts a multi-level image segmentation method based on a morphological method (Li et al., 2011). This method combines multi-b...
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