Re: Erode/Dilate

Posted by Michael Schmid on Feb 18, 2011; 8:57am
URL: http://imagej.273.s1.nabble.com/Erode-Dilate-tp3685602p3685605.html

Hi Alfred,

for erosion or dilation in x or y direction only you can use the  
minimum or maximum of "Fast Filters"
   http://imagejdocu.tudor.lu/doku.php?
id=plugin:filter:fast_filters:start

Michael
________________________________________________________________

On 17 Feb 2011, at 18:56, Alfred Wagner wrote:

> Hello ImageJ Users,
>
> Is there any way to dilate or erode a binary image in one axis/
> direction
> only, rather than symmetrically around the objects?
> The binary images I'm using are primarily shapes with 90 or 180 degree
> corners, i.e. not many rounded shapes.
>
> I've considered shifting  duplicate images along one axis and ORing  
> with
> the original image, but the run time starts to get very long when
> processing large numbers of images.
>
> Any suggestions would be much appreciated.
>
> Thanks.
>
> Al Wagner
> IBM Watson Research Center