Of course, You are right. I am using ITK and VTK, but your example (in ITK) is better for me...<br><br><div class="gmail_quote">2011/4/6 David Doria <span dir="ltr">&lt;<a href="mailto:daviddoria@gmail.com">daviddoria@gmail.com</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="gmail_quote"><div class="im">On Wed, Apr 6, 2011 at 10:39 AM, G G <span dir="ltr">&lt;<a href="mailto:greenlander1986@gmail.com" target="_blank">greenlander1986@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks for answers :) I am reading it and I am trying to use it slowly... <br>I found something interesting for me...<br>

<br><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageDifference" target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageDifference</a><br>
<br>Is it example of good image difference? <br><br></blockquote><div><br></div></div><div>I haven&#39;t been following this thread but I believe this: </div><a href="http://www.itk.org/Wiki/ITK/Examples/ImageProcessing/SubtractImageFilter" target="_blank">http://www.itk.org/Wiki/ITK/Examples/ImageProcessing/SubtractImageFilter</a></div>

<div class="gmail_quote"><br></div><div class="gmail_quote"><a href="http://www.itk.org/Wiki/ITK/Examples/ImageProcessing/SubtractImageFilter" target="_blank"></a>does the same thing but stays in ITK.<br><font color="#888888"><br>
<div>David </div></font></div>
</blockquote></div><br>