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</o:shapelayout></xml><![endif]--><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks, Julien, will have a look.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>The erosion filter (vtkImageContinuousErode3D) in VTK might do the <br>trick. If not, have a look at the different morphological image filters <br>in ITK. <br><br><br><span style='font-size:8.5pt;font-family:"Tahoma","sans-serif";color:#666666'><o:p></o:p></span></p></div></div>
        
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