[Insight-users] DeformableMesh3DFilter

Fri, 18 Apr 2003 20:54:01 -0400

This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.

------_=_NextPart_001_01C3060E.2B0EB9C0
Content-Type: text/plain

Hello everybody,

I am trying to use the deformable mesh example and I would like to know
which pixels are inside the mesh. Is there a (quick) way to determine which
pixels are inside a mesh?

Also, is there a 2D version of the DeformableMesh3DFilter that could be used
for 2D images? Could this be emulated if I set the size of third dimension
of the image to 1?  Or what happens if I make a pseudo mesh that consists of
vertices connected only within slices (so that I actually have N meshes,
completely disconnected between slices)? 

The object that I am trying to segment (in CT images) is a cylinder
(actually a tube filled with air) that could be sometimes connected to the
soft tissue. I detected its center (a point inside internal air) in each
slice, and now I would like to generate a cylidrical mesh that is around the
cylinder and sometimes passes through the tissue. By deforming it, it should
stop on the cylinder/air border or it should guess the cylinder/soft tissue
border because of the stiffness of the cylinder. Any ideas will be highly
appreciated.

Thanks in advance,

George

------_=_NextPart_001_01C3060E.2B0EB9C0
Content-Type: text/html

<html>

<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII">

<meta name=Generator content="Microsoft Word 10 (filtered)">

<style>
<!--
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
	{margin:0cm;
	margin-bottom:.0001pt;
	font-size:12.0pt;
	font-family:"Times New Roman";}
a:link, span.MsoHyperlink
	{color:blue;
	text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
	{color:purple;
	text-decoration:underline;}
span.EmailStyle17
	{font-family:Arial;
	color:windowtext;}
@page Section1
	{size:612.0pt 792.0pt;
	margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.Section1
	{page:Section1;}
-->
</style>

</head>

<body lang=EN-US link=blue vlink=purple>

<div class=Section1>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello everybody,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

I am trying to use the deformable mesh example and I would
like to know which pixels are inside the mesh. Is there a (quick) way to
determine which pixels are inside a mesh?

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

Also, is there a 2D version of the DeformableMesh3DFilter that
could be used for 2D images? Could this be emulated if I set the size of third
dimension of the image to 1? &nbsp;Or what happens if I make a pseudo mesh that
consists of vertices connected only within slices (so that I actually have N
meshes, completely disconnected between slices)?

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

The object that I am trying to segment (in CT images) is a
cylinder (actually a tube filled with air) that could be sometimes connected to
the soft tissue. I detected its center (a point inside internal air) in each
slice, and now I would like to generate a cylidrical mesh that is around the cylinder
and sometimes passes through the tissue. By deforming it, it should stop on the
cylinder/air border or it should guess the cylinder/soft tissue border because of
the stiffness of the cylinder. Any ideas will be highly appreciated.

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks in advance,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>George</span></font></p>

</div>

</body>

</html>

------_=_NextPart_001_01C3060E.2B0EB9C0--