<div dir="ltr"><div>Hi Elena,</div><div> </div><div>Although I probably cannot help you directly, I would advise you</div><div>isolate your problem to the smallest compilable piece of code</div><div>and post this so experts can take a look at it. One thing that</div>
<div>bit me in the past is that ones you apply a filter, you have to</div><div>a.) call Update() on it and b.) call GetOutput() to get the result</div><div>you are looking for. Without seeing your code however it is </div>
<div>difficult to judge.</div><div> </div><div>Kind regards,</div><div> </div><div>Marco</div><div> </div><div>P.S. There is nothing wrong with your english! </div><div> </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Wed, Nov 27, 2013 at 12:24 PM, elena bresciani <span dir="ltr"><<a href="mailto:elena.bresciani87@gmail.com" target="_blank">elena.bresciani87@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I'm getting started with vtk and I'm still unable to solve a lot of<br>
problems.<br>
<br>
I'm trying to apply the vtk filter vtkImageDilateErode3D to a CT image but I<br>
can't obtain the result I'm looking for.<br>
In fact I expect the result to be a at least slightly different image but<br>
the output is instead an image identical to the one given as input (I even<br>
checked subtracting the two images with vtkImageMathematics and after the<br>
operation there's really nothing left!).<br>
I don't understand if the problem is in the setting of the Erode and Dilate<br>
values and in the kernel size or maybe in the function of the filter itself,<br>
i.e. I expect that the output image has something less compared to the<br>
original one after erosion and dilatation (what has been eroded "to the<br>
ground" canot be dilated back - is this correct?)<br>
<br>
Thank you in advance<br>
Sorry for the bad english<span class="HOEnZb"><font color="#888888"><br>
<br>
Elena</font></span></div>
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