[Insight-users] watershed with MRI

Miller, James V (Research) millerjv@crd.ge.com
Wed, 8 Jan 2003 12:58:33 -0500 

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The watershed works on scalar images.  I believe it takes a gradient =
magnitude image as its input.
As such, it probably works best if the image data is floating point. =20

-----Original Message-----
From: lydia coin [mailto:lydia_coin3d@yahoo.fr]
Sent: Wednesday, January 08, 2003 12:11 PM
To: insight-users@public.kitware.com
Subject: [Insight-users] watershed with MRI



Did anyone succeed to use the watershed algorithm with MRI images with =
a pixel type of unsigned char.
I failed to make it work and I'm wondering if it works only with RBG =
images

thanks for any hints

Lydia




  _____ =20

Do You Yahoo!? -- Une adresse @yahoo.fr gratuite et en fran=E7ais !
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<DIV><SPAN class=3D722255517-08012003><FONT color=3D#0000ff =
size=3D2>The watershed=20
works on scalar images.&nbsp; I believe it takes a gradient magnitude =
image as=20
its input.&nbsp; As such, it probably works best if the image data is =
floating=20
point.&nbsp; </FONT></SPAN></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid">
  <DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> lydia coin=20
  [mailto:lydia_coin3d@yahoo.fr]<BR><B>Sent:</B> Wednesday, January 08, =
2003=20
  12:11 PM<BR><B>To:</B> =
insight-users@public.kitware.com<BR><B>Subject:</B>=20
  [Insight-users] watershed with MRI<BR><BR></FONT></DIV>
  <P>Did anyone succeed to use the watershed algorithm with MRI images =
with a=20
  pixel type of unsigned char. I failed to make it work and I'm =
wondering if it=20
  works only with RBG images</P>
  <P>thanks for any hints</P>
  <P>Lydia</P>
  <P><BR>
  <HR SIZE=3D1>
  Do You Yahoo!? -- Une adresse @yahoo.fr gratuite et en fran=E7ais =
!<BR><A=20
  href=3D"http://fr.mail.yahoo.com">Testez le nouveau Yahoo!=20
Mail</A></BLOCKQUOTE></BODY></HTML>

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