Bottom Hat
The Bottom Hat module performs a dilation routine (grows the current white image), followed by an erosion (shrinks the current white image) and then subtracts the original image. Dilation followed by erosion will connect objects close to each other. Subtracting the original will result in the display of just the connection points between close objects.
Interface
Instructions
1. Count - Specify the number of times to perform dilation before erosion. Higher numbers will connect more distant objects which will result in larger connections being displayed in the final image.
Example
Source Image
Bottom Hat with count of 2
Bottom Hat results shown in white. Original image in red.
See Also
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