Re: edge detection

Posted by Thomas Boudier on Mar 03, 2007; 10:21am
URL: http://imagej.273.s1.nabble.com/edge-detection-tp3700010p3700021.html

Ru Wang a écrit :
> Hi,
>
> I meet a problem when I try to detect the grain boundary using ImageJ
> 1.37.
> There are some unconected lines in the image. I just want to remove them.
> But I didn't fund the related operations. If you have any clue on it,
> could you
> please inform me? Thanks a lot.

Hi,

You can try the canny-deriche edge detection filter :
http://imagejdocu.tudor.lu/Members/tboudier/plonearticle.2006-07-12.2524848149/ 


for connection you can use the hysteresis thresholding plugin :
http://imagejdocu.tudor.lu/Members/tboudier/plonearticle.2007-01-03.5171158213/

or this one :
http://imagejdocu.tudor.lu/Members/tboudier/plonearticle.2007-01-08.0483309465

Thomas

>
> Ru
>
>


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 Thomas Boudier, MCU Université Pierre et Marie Curie
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