[Insight-users] IJ Test that will fail

[Wes Turner]

Thanks Kevin, that clarifies it a lot.

- Wes

On Mon, Oct 26, 2009 at 3:47 PM, Kevin H. Hobbs <hobbsk at ohiou.edu> wrote:

> On Mon, 2009-10-26 at 15:15 -0400, Wes Turner wrote:
> > Just for clarification.  When I read the initial post, my assumption
> > was that the difference between the parallel and serial results was
> > due to a different ordering of operations and was not necessarily a
> > "real" error.  I.e. while the serial and parallel results could be
> > different, they could both be equally valid.  Is this the case, or is
> > it in fact a true failure in the parallel implementation?
> >
> >
> > - Wes
>
> I have to call it real error because it's big, I don't know what's
> causing it, and I can't make it go away.
>
> Having said that I don't care about it very much because :
>
> I'm trying to do fast marching in parallel.
>
> The error shows up in background pixels near the piece boundaries.
>
> I'm interested in the pixels in the dendrites with values less than a
> few hundred, so differences of thousands in the background where values
> are stratospheric don't concern me. ( that was a mouthful )
>
> I can't say that somebody else won't care though. ( image compare sure
> freaks out )
>



-- 
Wesley D. Turner, Ph.D.
Kitware, Inc.
Technical Leader
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4920
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