形态学算子：骨架化操作
骨架化操作：将二值化图像膨胀后，再skelelon，以使断开的缺陷链接起来。* Acquire imageread_image (Image, 'surface_scratch')
get_image_size (Image, Width, Height)
* Using a local threshold
mean_image (Image, ImageMean, 7, 7)
dyn_threshold (Image, ImageMean, DarkPixels, 5, 'dark')
*
* Extract connected components
connection (DarkPixels, ConnectedRegions)
*
* Select large regions
select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 10, 1000)
* Merge fractioned scratches via morphology
union1 (SelectedRegions, RegionUnion)
dilation_circle (RegionUnion, RegionDilation, 3.5)
skeleton (RegionDilation, Skeleton)
connection (Skeleton, Errors)
dev_set_colored (12)
dev_display (Image)
dev_display (Errors)
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