[Insight-users] Threshold Image filter

[Luis Ibanez]

Hi Raghu,

No, you can not use the Threshold filter on a RGB image.

If you want to implement such operation, you should first
define the comparison operation:


           RGBValue1 > RGBValue2

That is:

     how do you define when a RGB triplet is
     LARGER THAN another RGB triplet.

Once you come up with such definition, it will be trivial
to implement a Threshold filter on RGB image.


What is commonly done is to simply convert the RGB image
to a Luminance image (which is a scalar image), and then
apply the standard Threshold filter to it.



    Regards,


        Luis


--------------------
RAGHU PRASAD wrote:
> Respected Sir,
> .
> Can I use Threshold Image filter on RGB Images.When I chose RGB Image as 
> input the output what I get iis a grayscale Image .Is there any method 
> to get the output as RGB Images.
> 
> -- 
> Warm Regards
> 
> Raghu Prasad
> 
> 
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