[slicer-users] Again about the nasal cavity reconstruction

Sammy samuele.zampini at gmail.com
Sat Oct 16 08:06:22 EDT 2010


On Sat, Oct 16, 2010 at 1:25 PM, Daniel Haehn <haehn at bwh.harvard.edu> wrote:

> Samuele,
>
> for VMTKEasyLevelSetSegmentation, the geometry does not matter. You can
> name it as "region growing starting from a point". There is no shape
> recognition like in VMTKVesselEnhancement.
>

Now I'll try to follow your advice.
Thanks


>
> Daniel
>
> On Sat, 16 Oct 2010 10:44:33 +0200, Sammy <samuele.zampini at gmail.com>
> wrote:
> > On Fri, Oct 15, 2010 at 8:59 PM, Daniel Haehn <haehn at bwh.harvard.edu>
> > wrote:
> >
> >> Hi Samuele,
> >>
> >> another approach would be to use the VMTKEasyLevelSetSegmentation
> > module.
> >>
> >
> > I will try, even tough, AFAIK, VMTK features work well when you have a
> > vessel-like
> > geometry. I think that the nasal-cavity is too complex. But Ill try.
> >
> > Thanks,
> >
> > Samuele
> >
> >
> >>
> >> You can specify the right threshold for the air, you want to segment.
> > F.e.
> >> use source seeds which are the starting points of the front propagation
> > and
> >> target seeds where the propagation will stop. Just play around a little
> > bit.
> >>
> >> HTH,
> >> Daniel
> >>
> >> On Oct 15, 2010, at 12:30 PM, Sammy wrote:
> >>
> >> > Dear all,
> >> >
> >> > I am still fighting against the nasal cavity reconstruction. The point
> > is
> >> that I
> >> > tried to follow both your advice and the tutorials, but I can not do
> >> everything
> >> > as I would like to.
> >> >
> >> > The first question is: to select only the air into the nasal cavity, I
> >> placed a plane
> >> > at the inlet of the airflows (where there are the nostrils - fig.
> >> inlet.png) and another
> >> >  one at the outlet of the trachea (not sure that is the trachea,
> > sorry!,
> >> > fig. outlet.png)..
> >> >
> >> > Later, and that's the second question, what I would like to do is to
> >> select the air
> >> > between these 2 planes (that's to say the inside of the nasal
> > cavity!).
> >> > Which is the right feature that allows me to get the result I am
> > looking
> >> for??
> >> > Is a button shown in the pictures attached or it belongs to another
> >> module?
> >> > The reason I can not succeed in doing this operation is that I try
> > with a
> >> > threshold, but it let me select the whole black volume, not only the
> >> inside of
> >> > the nasal cavity, between the 2 "planes" I fixed!
> >> >
> >> > Also, about the "air": I think there's a filter that helps to select
> > the
> >> black-volume,
> >> > i.e. the air. Could you let me know its name?
> >> >
> >> > Hope you can help,
> >> >
> >> > thanks in advance,
> >> >
> >> >
> >> > --
> >> >
> >>                                Samuele
> >> > ____________________________________________________________________
> >> >
> >> >   .~.
> >> >   /V\       L   I   N   U   X
> >> >  // \\          I S    T H E
> >> >  /(   )\           W A Y
> >> >  ^^-^^
> >> >  cell phone :  +393473426510       e.mail:  samuele.zampini at gmail.com
> >> >  home        :   +390331823927       www:
> samiam1000.spaces.live.com
> >> >
> >> > <inlet.png><outlet.png>_______________________________________________
> >> > slicer-users mailing list
> >> > slicer-users at bwh.harvard.edu
> >> > http://massmail.spl.harvard.edu/mailman/listinfo/slicer-users
> >> > To unsubscribe: send email to
> >> slicer-users-request at massmail.spl.harvard.edu with unsubscribe as the
> >> subject
> >>
> >>
> >
> >
> > --
> >
> >              Samuele Zampini
> > ____________________________________________________________________
> >
> >   .~.
> >   /V\       L   I   N   U   X
> >  // \\          I S    T H E
> >  /(   )\           W A Y
> >  ^^-^^
> >  cell phone :  +393473426510       e.mail:  samuele.zampini at gmail.com
> >  home        :   +390331823927       www:   samiam1000.spaces.live.com
>
>


-- 

             Samuele Zampini
____________________________________________________________________

  .~.
  /V\       L   I   N   U   X
 // \\          I S    T H E
 /(   )\           W A Y
 ^^-^^
 cell phone :  +393473426510       e.mail:  samuele.zampini at gmail.com
 home        :   +390331823927       www:   samiam1000.spaces.live.com
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