yesbird <sya### [at] gmail com> wrote:
>
> color gradient on your images is not very smooth, compared to
> traditional method, but maybe this is colormap dependent.
Your media images from your earlier post definitely look much nicer than mine.
The main problem I am having is that the original DICOM images from my own CT
scan are *extremely* noisy and of low quality; it is even difficult to see what
is 'organic matter' and what is just noise. And the exposure level from image to
image seems to change at random, which I suspect is a result of the CT's x-rays
being 'auto-compensated' for changes in bone density (or whatever!)
The color_map I used (and the altered gamma setting for the images) was the
result of a lot of experimentation, to see if I could suppress some of the noisy
'garbage' and still retain some of the important details and structures. Small
tweaks to the color_map produce large changes in the visual appearance!
I have attached a sample of my original DICOM images (as converted to
8-bit .png) just to show what the problems are. I think that the images you are
using are of *much* higher quality.
In my opinion, my dentist needs to purchase an improved CT scanner! ;-)
>
> 2. How it will work for isosurface approach?
I am working on that at the moment (thanks for the suggestion!) I will post the
result when finished.
>
> hope you will not need this operation in future.
I hope so too-- mainly because the procedure is EXPENSIVE! $$$
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