[Insight-users] New questions

Fri, 5 Dec 2003 10:23:49 -0800

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Hi,
I also had the following questions and thought I would send them out right
now.

1.	For MaskImageFilter, what are the member functions to set the input
image and mask. Are they SetInput1 and SetInput2 or SetInput and SetMask?
2.	Also, given a grey scale image and a mask, I want to perform
operations only on pixels in the grayscale image which are within mask. For
example I
       want to find mean of the image only in region of mask. How do I do
this? 
3.	Is there a way to get the list of voxels belonging to the mask?

4.	I have binary images with multiple objects. I want to be able to
label these and perform other operations like

a.	Extracting largest connected component
b.	Comparing one component to other 

Your help is appreciated.
Thanks
Radhika

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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Hi,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I also had the following questions and thought I =
would send
them out right now.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<ol style=3D'mso-margin-top-alt:0in' start=3D1 type=3D1>
 <li class=3DMsoNormal style=3D'mso-list:l0 level1 lfo1;tab-stops:list =
.5in'><font
     size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>For <span
     class=3DSpellE>MaskImageFilter</span>, what are the member =
functions to set
     the input image and mask. Are they SetInput1 and SetInput2 or =
<span
     class=3DSpellE>SetInput</span> and <span =
class=3DSpellE>SetMask</span>?<o:p></o:p></span></font></li>
 <li class=3DMsoNormal style=3D'mso-list:l0 level1 lfo1;tab-stops:list =
.5in'><font
     size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Also,
     given a grey scale image and a mask, I want to perform operations =
only on
     pixels in the grayscale image which are within mask. For example =
I<o:p></o:p></span></font></li>
</ol>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
want to find mean of the image only in region of =
mask. How
do I do this? <o:p></o:p>

<ol style=3D'mso-margin-top-alt:0in' start=3D3 type=3D1>
 <li class=3DMsoNormal style=3D'mso-list:l0 level1 lfo1;tab-stops:list =
.5in'><font
     size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Is
     there a way to get the list of <span class=3DSpellE>voxels</span> =
belonging
     to the mask?<o:p></o:p></span></font></li>
</ol>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<ol style=3D'mso-margin-top-alt:0in' start=3D4 type=3D1>
 <li class=3DMsoNormal style=3D'mso-list:l0 level1 lfo1;tab-stops:list =
.5in'><font
     size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>I have
     binary images with multiple objects. I want to be able to label =
these and
     perform other operations like<o:p></o:p></span></font></li>
</ol>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<ol style=3D'mso-margin-top-alt:0in' start=3D4 type=3D1>
 <ol style=3D'mso-margin-top-alt:0in' start=3D1 type=3Da>
  <li class=3DMsoNormal style=3D'mso-list:l0 level2 lfo1;tab-stops:list =
1.0in'><font
      size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Extracting
      largest connected component<o:p></o:p></span></font></li>
  <li class=3DMsoNormal style=3D'mso-list:l0 level2 lfo1;tab-stops:list =
1.0in'><font
      size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Comparing
      one component to other <o:p></o:p></span></font></li>
 </ol>
</ol>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Your help is =
appreciated.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Radhika<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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