Hi Manasi,
this is odd, I added the -iterations option September 11 2009. Do you have an
earlier version than that?
Can you send me the output of vmtkicpregistration --help?
Thanks
Luca
On Jun 7, 2011, at 6:49 PM, Ramachandran, Manasi wrote:
> Hi Luca
>
> Thanks for the reply. I tried running:
>
> vmtkicpregistration -ifile source_surface.vtp -rfile target_surface.vtp
> -ofile registered_surface.vtp -iterations 100 -maxmeandistance 0.01
>
> And I get the following error:
>
> Creating vmtkICPRegistration instance.
> Automatic piping vmtkicpregistration
> Parsing options vmtkicpregistration
> vmtkicpregistration error: unknown option -iterations
> vmtkicpregistration : register a surface to a reference surface using
> the ICP algorithm
> Input arguments:
> -id Id (int,1); default=0: script id
> ....
>
> I can't figure out why it will not recognize -iterations as an option. Please
> let me know what you think.
>
> Thanks
> Manasi
> From: Luca Antiga [luca.ant...@orobix.com]
> Sent: Tuesday, June 07, 2011 7:10 AM
> To: Ramachandran, Manasi
> Cc: vmtk-users@lists.sourceforge.net
> Subject: Re: [vmtk-users] Registration
>
> Hi Manasi,
> try with the vmtkicpregistration script. The amount of success you can have
> with this filter can change according to the kind of registration you want to
> perform, but at least it's a starting point:
>
> vmtkicpregistration -ifile source_surface.vtp -rfile target_surface.vtp
> -ofile registered_surface.vtp -iterations 100 -maxmeandistance 0.01
>
> Increase the -iterations option to check that the registration has actually
> converged, and use -maxmeandistance to tell the script what you mean by
> "registered" (in terms of the maximum allowed mean distance between the
> surface - if that value is lower than the option, the registration stops
> regardless of the number iterations that are set).
>
> There is another useful option: -farthreshold (e.g. -farthreshold 0.2) which
> tells the algorithm to ignore the pair of points that are far apart more than
> 0.2 during the registration. It's useful for surfaces that have parts that
> are similar (that you want to register) but others that differ markedly.
>
> Hope this helps
>
> Luca
>
>
> On Jun 6, 2011, at 11:40 PM, Ramachandran, Manasi wrote:
>
>> Hi All,
>>
>> Have any you registered models using vmtk? If so, can you tell me how to do
>> it?
>>
>> I have 2 3D models (.vtp/.stl/.dat/.vti) and I want to register the 2
>> models. Is it possible to do that on vmtk?
>>
>> Thanks
>> Manasi
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