[Insight-users] multi threading with processing limited to voxels in a mask

[Soren Christensen]

 itk::DomainThreader did the job for future reference.



On Wed, May 15, 2013 at 11:37 PM, Soren Christensen <sorench at gmail.com>wrote:

> Hi,
>  I have an ImageToImageFilter subclass that currently is multithreaded by
> being split into equally sized regions (default behaviour). Only voxels
> inside a mask (2nd input) are processed in each thread. When I run the
> filter, some threads finish executing much quicker than others, because the
> number of pixels inside the mask differs in each subregion. Ideally each
> thread would process and equal number of voxels.
> How can I achieve this?  Is there an existing filter that can be
> subclassed for this purpose or should I I parallize a loop running over the
> mask indices manually?  If so, what should I be looking at for parallizing
> on Linux?
>
> Thanks
> Soren
>
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