Re: Finding cancer with 3D (not for the squeamish)

[P3D Schenectady Radiology <mlburke@xxxxxxxxxxxxx>]

>
>Interesting.  Which system(s) do you use?  I was a co-designer and
>developer on the Cemax VIP 3D system.  

I used a product called Navigator (Not Netscape), distributed by General
Electric, as an option with their CT scanners.  Actually, it runs on a Sun
workstation networked to the CT scanner.
 
>Note that since the data is stored and processed as a 3-dimensional
>volume, it is possible to generate stereo pairs with an appropriate
>shift of the rendering viewpoint.  I've done this with a couple of
>the more, uh, _interesting_ (read: gruesome) studies we had as test
>data

Yes I have generated stereo pairs using this method. On a case where we
were studying the bronchial airways, I was working on a "fly through" of
the trachea.  I had the point of view high up in the trachea, looking down
the trachea at the bifurcation.  Instead of advancing further down, I moved
the point of view laterally and generated a second image at the same level.
 When viewed side by side, these two images formed a great stereo pair,
with lots of depth. 

Michael Burke, M.D.





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