Rapid multi-scale super-pixel segmentation method for synthetic aperture radar image
A technology of synthetic aperture radar and superpixel segmentation, which is applied in the field of remote sensing image interpretation, can solve the problems of low efficiency of SAR images, achieve good image local detail retention ability, improve execution efficiency, and maintain the effect of image boundaries
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[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0042] A fast multi-scale superpixel segmentation method for synthetic aperture radar images, the specific steps are as follows:
[0043] A. For SAR images, define pixel gray similarity, edge intensity similarity and image inhomogeneity similarity;
[0044] B. Represent the SAR image in a graph structure;
[0045] C. Using the Kruskal algorithm to realize the minimum spanning tree of SAR images;
[0046] D. Realize fast multi-scale superpixel segmentation of SAR image based on minimum spanning tree;
[0047] E. Obtain superpixel segmentation boundaries based on the segmentation results and generate SAR image segmentation results.
[0048] The specific operation method of step A is:
[0049]First, a pixel similarity measure needs to be defined for SAR images. Due to the presence of coherent speckle noise, traditional pixel-based gray-level similarity measures
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