[vtkusers] Re: Color Filter(Human Visible Project)

[Goodwin Lawlor]

Hi Nathaniel,

Try thesholding the blue channel to create a mask.

hth

Goodwin

"Nathaniel Gonzalez" <ngonzalez at rcm.upr.edu> wrote in message
news:1098973955.5810.75.camel at linux.site...
> Hi,
>
> I'm currently working on a simple application to display the Visible
> Human Data and then add a little more information to the image. I'm
> having problems removing the blue gel from the images. I think that
> vtk can do it but I don't know how. Many people have process the images
> before loading them in vtk. In the web page of Steven Matuszek he says
>
> "In Making use of the fact that little or none of the human body is
> green, blue or magenta, this filter simply replaces with black any pixel
> whose blue value is more than 1.2 times the red and green values"
>
>
> If anyone knows how to do this in vtk or in a pre-process script and can
> point me in the right direction It would be of a lot of help.
>
> Thanks
>
>
> Nathaniel Gonzalez
> RCMI-CIAR
> Medical Science Campus
> University of Puerto Rico
>
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