<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif"><FONT size=2><FONT size=4>itk::<STRONG>CentralDifferenceImageFunction</STRONG> That function is almost what I am looking for but unfortunately it is used for images which are 2 dimension. Does anybody know any class like that which is used for 3 dimension images. </FONT><FONT face=Fp></DIV>
<P style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif" align=left></FONT><FONT face=Fp size=3><FONT size=4>itk::CentralDifferenceImageFunction allow users to compute the derivative at specified physical or pixel locations</FONT>.</P>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif"></FONT></FONT>thanks </DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">Tony<BR><BR></DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">----- Original Message ----<BR>From: tony hakki <tony2007vtk@yahoo.com><BR>To: VTK Ortak mail hesabi <vtkusers@vtk.org><BR>Sent: Wednesday, March 7, 2007 2:45:22 PM<BR>Subject: [vtkusers] calculation a few pixels derivative<BR><BR>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">
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<DIV>hello all;</DIV>
<DIV>I got a few pixel values through a normal vector and then I would like to calculate these values derivatives to get maximum gradient magnitude of them. Is there any class for this or ,should I calculate it just my self?</DIV>
<DIV>Does anybody have any knowledge about that?</DIV>
<DIV>Thanks </DIV>
<DIV>Tony</DIV></DIV></DIV><BR>
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