[Insight-users] ITK 4.0 migration problem with Amoeba optimizer and cardinal metrics

[asertyuio]

Thanks for ansering !

I haven't found any solution to my problem. Itk code seems to be the 
problem.
I can give my source and images if needed !

Yann


Le 18/01/2012 21:46, Cory Quammen a écrit :
> Yann,
>
> Ziv Yaniv did a lot of refactoring of this class for the ITK 4.0
> effort. Ziv, can you comment?
>
> - Cory
>
> On Tue, Jan 17, 2012 at 8:30 AM, asertyuio<asertyuio at yahoo.fr>  wrote:
>> Hi all,
>>
>>     I'm migrating from ITK 3.2 to ITK 4.0, and after fixing some litle
>> trouble around cmake, I'm on something that seems more problematic.
>> I write for ITK 3.2 a registration process, that was, for part of it, using
>> Amoeba optimizer, and cardinal matching metric.
>> It worked perfectly.
>> After migrating to ITK 4.0, Amoeba optimizer seems to stop only at the
>> maximum iteration number, and do not take account of other stop conditions,
>> like ParametersConvergenceTolerance or FunctionConvergenceTolerance.
>> The optimizer is still converging on a good solution.
>> An other thing that seems to be related, is that when I'm printing the
>> registration progress,
>> the metric value is shown as -1.#IND, so Not A Number. I get this value with
>> the following code :
>>
>>     itk::SingleValuedCostFunction::MeasureType Value;
>>
>>     Value = optimizer->GetCachedValue();
>>
>>
>>     if (Value!=Value){
>>         std::cout<<  "ok";
>>     }
>>     if (count>=5) {
>>         count=0;
>>         std::cout<<  IterationNumber<<  "   ";
>>         std::cout<<  Value<<  "   ";
>>         std::cout<<  parameters<<  std::endl;
>>     }
>>
>> I've try to set Value as double, to print directly
>> optimizer->GetCachedValue() but it's giving the same result.
>>
>> Does someone have any idea of where it comes from ?
>>
>> In my code, I also use OnePlusOneEvolutionaryOptimizer, and MI metric
>> without these problems.
>>
>> Thanks a lot !
>>
>> Yann
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>