[ITK] Determinism & Registration v4

[Dženan Zukić]

Hi Tim,

there were some commits recently aimed at addressing exactly that. Which
version were you using for your tests?

Regards,
Dženan

On Wed, Mar 15, 2017 at 5:54 AM, Timothee Evain <tevain at telecom-paristech.fr
> wrote:

> Hi everyone,
>
> A small question about the registration v4 framework:
> Is it possible to get a determinist pipeline ?
> I use the Mattes mutual information combined with the Regular step
> gradient descent and my problem is that each run produce a different
> parameter set.
> The deviation is really small, but I expected to see same results with
> same inputs.
> I was testing with the REGULAR sampling strategy at first, but there is a
> random perturbation of the point picking in the code, so I tried with dense
> sampling, but here again, the results are varying.
> Is that an expected behavior ?
>
> Tim
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