[Insight-users] Registration performance

[Luis Ibanez]

Hi George,

you will find examples on the use of Multiresolution
under the directory

       Insight/Examples/Registration

These examples are described in detail in the ITK
Software Guide


     http://www.itk.org/ItkSoftwareGuide.pdf



   Regards,


       Luis



----------------------------------
Li, George (NIH/NCI) wrote:
> Hi, Luis:
> 
> Sometime ago, you commented on improving performance
> As the following. I now understand what you meant by
> Multi-resolution. However, is there any sample code
> For its implementation?
> 
> 
>>Trivial answer to your question about performance:
>>
>>            The way to improve performance
>>             is to use multi-resolution.
>>
>>You can register volumes of size 200x200x200 pixels 
>>in about 20 seconds when using 3 levels of a multi-
>>resolution pyramid, by subsampling by 2 at each level, 
>>in a typical Pentium 4 machine at 2Ghz, and 512Mb of 
>>memory.
> 
> 
> Now, it seems that the registration performance has
> Become a big issue to me, and some 20 seconds for a 
> Registration is much attractive, comparing with a few 
> minutes.
> 
> So, could you further provide some guidance on it?
> 
> Thanks,
> 
> George
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