[Fwd: Re: [vtkusers] Is it possible to clean noise in VTK?]

[m26404030 at john.petra.ac.id]

i think u can use vtkImageGaussianSmooth, i have tried it with my 2D
images and it
works..(smoothing process can reduce noise in the image but blur the
image also)

hope it helps..=p

Quoting Iryna Pavlyshak <iryna at andrew.cmu.edu>:

>
>> Ok, look here
> While scanning the certain object, many undesirable points are   
> captured as well. These points don't have any connection to the   
> object.They may come from reflection, from digitalization the   
> support on which the object have been placed.These points may be   
> ambient noise form the sunlight if the scanning is outdoors.
> So after scanning and importing point cloud (xyz. data or asc. data)  
>  to my code for triangulation, filtering..etc, these additional    
> point (noise) disturb the real model of object.
> There are different software, where you can import point clouds, and  
>  clean all that mess manually, as you can see it visually in GUI.
> I was thinking to create some "box", which would separate points   
> belong to   the scanned object form all additional.But every object   
> has its own shape , how can my program distinguish this?
> Actually i am a little bit confused, as i can't see any answer, as   
> to continue doing this manually in other software packages.
>
> hope VTK still can help,
>
> Iryna
>
>
>
>
>
> What do you mean by "cleaning" your data? Even though there is probably a
>>  way to do it, you have to be more precise about what you want to do !
>>
>> Pierre
>>
>> On 10/23/07, Iryna Pavlyshak <iryna at andrew.cmu.edu> wrote:
>>>
>>> Hello!!
>>>
>>> My point clouds have to many additional points. Up to now i used
>>> commercial software and cleaned manually my data before processing in
>>> VTK. Can i use VTK to do this. If somebody have already faced with the
>>> same problem, please let me know if exist any solution in VTK.
>>>
>>> Any advice will be helpful,
>>>
>>> Iryna
>>>
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>>
>>
>> -- Barbier de Reuille Pierre
>>
>
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