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Re: Colour maps overlaid on grey-scale (medical) images [message #14672 is a reply to message #14614] Sat, 13 March 1999 00:00 Go to previous messageGo to previous message
bowman is currently offline  bowman
Messages: 121
Registered: September 1991
Senior Member
> I would like to know how to display colour overlays on medical images.
> For example, an overlay of bloodflow rate superimposed (in hot body
> colour scale) on grey-scale images of the brain. At the moment, I am not
> able to do this without obliterating the information in the original
> image. Is it possible to overlay a colour map onto a grey-scale image
> without obliterating information in the grey-scale image ? ie: by making
> the colour overlay "transparent" to some degree ?

If you use 24-bit color, you can do this by direct manipulation of the RGB
values of each pixel.

Ken Bowman

--
Kenneth P. Bowman, Professor 409-862-4060
Department of Meteorology 409-862-4466 fax
Texas A&M University bowmanATcsrp.tamu.edu
College Station, TX 77843-3150 Change the AT to @
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