[Insight-users] Filtering all channels of a VectorImage

[Julien Malik]

Hello,

We have such a filter in OTB.
You might want to check :
http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.h
http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.txx

Julien

Le 27/04/2011 07:57, Gaëtan Lehmann a écrit :
>
> Le 27 avr. 11 à 03:07, David Doria a écrit :
>
>> Lately I've needed to run some filters on a VectorImage. The filters 
>> only work on single channel inputs. To get around this, my process to 
>> filter each channel separately has been:
>>
>> 1) Use VectorIndexSelectionCastImageFilter to decompose the image 
>> into its separate channels
>> 2) In a loop, run a filter on each channel
>> 3) Use ImageToVectorImageFilter to assemble the output from the 
>> output of the filter on each channel.
>>
>> Is this a reasonable process?
>
> It is.
>
>> Is a more automated way to do this?
>>
>
> Not at this time.
> It's in my plan for a quite long time to make a 
> ChannelByChannelImageFilter similar to the SliceBySliceImageFilter, 
> but it is not done yet.
>
> Gaëtan
>
>
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