[Insight-users] Fwd: StreamImageFilter - Heap corruption problems.

[Bradley Lowekamp]

Hello Sergio,

Yes, am minimal example/test that illustrates your bug would be very helpful!

Please report the bug into Mantis and assign it to me.

Thanks,
Brad

On Dec 2, 2010, at 4:55 AM, Sergio Vera wrote:

> 
> 
> Thanks for the clarification, Luis.
> 
> So sad the Hessian filters aren't streamables as they memory intensive.
> 
> I will try to make a minimum-replicable code snippet and report a bug if possible,
> 
> Thanks
> 
> 
> On Thu, Dec 2, 2010 at 4:58 AM, Luis Ibanez <luis.ibanez at kitware.com> wrote:
> Hi Sergio,
> 
> Your guess is correct.
> 
> The HessianRecursiveGaussianImageFilter does
> not stream.
> 
> This is because internally it uses the RecursiveGaussian
> image filter, which is an implementation of an Infinite
> Impulse Response (IIR) filter, and therefore, it needs the
> full set of pixels in a line in order to perform a computation.
> 
> 
> That said, the pipeline shouldn't crash...
> 
> It should simply report to the StreamingImageFilter
> that the best that the intermediate filters can do is to
> compute the image in a single block.
> 
> You may have uncover a bug in the pipeline negotiation
> during the streaming process.
> 
> 
>     Luis
> 
> 
> -----------------------------------------------------------
> On Fri, Nov 26, 2010 at 5:38 AM, Sergio Vera <sergio.vera at alma3d.com> wrote:
> > Hello,
> > when using StreamImageFilter in a pipeline, my program crashes with a "HEAP
> > CORRUPTION DETECTED" message from windows (ITK3.18, VS2008).
> > The pipeline is this one:
> > inputImg->ThresholdImageFilter->CastImageFilter->HessianRecursiveGaussianImageFilter->Hessian3DToVesselnessMeasureImageFilter->StreamImageFilter(8
> > divisions)
> > I call Update at the StreamImageFilter. Maybe some filters can't be
> > streamed, and that's why the program crashes?
> > Any Idea about why streamImageFilter causes such a heap corruption? (The
> > pipeline works ok without it)
> >
> > Thanks in advance
> > --
> > Sergio Vera
> >
> >  Alma IT Systems
> >  C/ Vilana, 4B, 4º 1ª
> >  08022 Barcelona
> >  T. (+34) 932 380 592
> >  www.alma3d.com
> >
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> 
> 
> 
> -- 
> Sergio Vera
> 
>  Alma IT Systems
>  C/ Vilana, 4B, 4º 1ª
>  08022 Barcelona
>  T. (+34) 932 380 592
>  www.alma3d.com
> 
> 
> 
> -- 
> Sergio Vera
> 
>  Alma IT Systems
>  C/ Vilana, 4B, 4º 1ª
>  08022 Barcelona
>  T. (+34) 932 380 592
>  www.alma3d.com
> <ATT00001..txt>

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