opposite of bwmorph thicken

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Rainer
Rainer on 3 Jan 2014
Commented: Rainer on 3 Jan 2014
Hi All,
'thicken' in bwmorph adds pixels to the exterior of objects without changing the EULER number. Is there a way to do the opposite....i.e. take away pixels from the exterior of objects without changing the Euler number? 'erode' does not fulfil this requirement.

Accepted Answer

Image Analyst
Image Analyst on 3 Jan 2014
Use the skel option of bwmorph: " With n = Inf, removes pixels on the boundaries of objects but does not allow objects to break apart. The pixels remaining make up the image skeleton. This option preserves the Euler number. " You can use n less than inf if you want.

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