[Insight-users] division and rescaling

Luis Ibanez luis.ibanez at kitware.com
Fri Mar 23 13:34:47 EST 2007


Hi Xavier,

You could be a bit more generous in your posting and share
with us the Type of the "rescaleFilter" variable.

I would assume that you are using the itkRescaleIntensityImageFilter.

Is that right ?


   Regards,


     Luis


------------------------
Xavier Penya wrote:
> Hi everybody,
>  
> I'm doing a program in which I divide two similar images (pixel type = 
> double). The values of those images goes from 0 to 255.
> When I divide them into an other image which is also 'double' pixel 
> type, as they are similar the pixel values goes from 0 to 1,1.
> I've tried to reescale it with the code below in orther to obtain values 
> from 0 to 255 in the output image, but nothing happens (it remains from 
> 0 to 1,1).
> Does anybody know why is it not working?
> Thanks!
>  
>         Xavier
>  
> 
> //rescaling the image from (0,1) to (0,255)
> 
> rescaleFilter->SetInput( image );
> 
> rescaleFilter->SetOutputMinimum( 0 );
> 
> rescaleFilter->SetOutputMaximum( 255 );
> 
> rescaleFilter->Update();
> 
> (...)
> 
> writer->SetInput( rescaleFilter->GetOutput() );
> 
> 
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> 
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