[Insight-users] how to map grayscale to color

[kdsfinger at gmail.com]

On 8/19/06, Gaëtan Lehmann <gaetan.lehmann at jouy.inra.fr> wrote:
> Le Sat, 19 Aug 2006 14:21:32 +0200, <kdsfinger at gmail.com> a écrit:
>
> > That's even better. Is there any restriction to the number of segments
> > (<unsigned char or < unsigned short)? Thanks a lot.
>
> No, there is no such restriction. The label must be integral, but that's
> all.
> Please submit a (small) review if you find it useful, or think to some
> things to enhance :-)
>
> Thanks,
>
> Gaetan
>
> > zl2k
> >
> > On 8/19/06, Gaëtan Lehmann <gaetan.lehmann at jouy.inra.fr> wrote:
> >>
> >> Hi,
> >>
> >> You may want to look at the label overlay contribution I have submited
> >> to
> >> the insight journal.
> >> It produce a similar result, but with a more distinct set of colors and
> >> some options to manage the background. Another class in this contrib let
> >> you show the labels superimposed onto the original image.
> >>
> >> http://insight-journal.org/dspace/bitstream/1926/172/5/Label_overlay.pdf
> >> http://insight-journal.org/dspace/bitstream/1926/172/4/labelOverlay.tar.gz
> >>
> >> All the colored images in the following article where also obtained with
> >> those classes:
> >> http://insight-journal.org/dspace/bitstream/1926/202/2/The_watershed_transform_in_ITK_-_discussion_and_new_developments.pdf
> >>
> >> Regards,
> >>
> >> Gaetan
> >>
> >>
> >> Le Sat, 19 Aug 2006 01:58:52 +0200, Pingkun Yan <pingkun.yan at gmail.com>
> >> a
> >> écrit:
> >>
> >> > Hi,
> >> >
> >> > You may look at the "itkScalarToRGBPixelFunctor". It seems to be what
> >> > you want. You can find the example usage in the itk watershed
> >> > segmentation example.
> >> >
> >> > HTH,
> >> > Pingkun
> >> >
> >> > On 8/18/06, kdsfinger at gmail.com <kdsfinger at gmail.com> wrote:
> >> >> hi, all
> >> >> After finishing segmentation, I'd like to label each region in color
> >> >> and display in the widget. Is there any feasible way to map the
> >> >> grayscale (the label on the original segmented image) to color rgb?
> >> >> Thank you.
> >> >> Basically, I am looking for a user defined filter, taking the input
> >> >> image, do some calculation for each pixel, and produce an output
> >> >> image.
> >> >> zl2k
> >> >> _______________________________________________
> >> >> Insight-users mailing list
> >> >> Insight-users at itk.org
> >> >> http://www.itk.org/mailman/listinfo/insight-users
> >> >>
> >> > _______________________________________________
> >> > Insight-users mailing list
> >> > Insight-users at itk.org
> >> > http://www.itk.org/mailman/listinfo/insight-users
> >>
> >>
> >>
> >> --
> >> Gaëtan Lehmann
> >> Biologie du Développement et de la Reproduction
> >> INRA de Jouy-en-Josas (France)
> >> tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
> >> http://voxel.jouy.inra.fr
> >>
>
>
>
> --
> Gaëtan Lehmann
> Biologie du Développement et de la Reproduction
> INRA de Jouy-en-Josas (France)
> tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
> http://voxel.jouy.inra.fr
>

Sure, I am going to try it. Where to submit the comments?
zl2k