[vtkusers] Re: Preprocessing intensity images

[Lawrence Griffing]

Yes, and these are in the VTK book. I have the 3rd edition - look at pp. 
376-380.

Cheers,
LRG

Arne Hansen wrote:
> Has nobody had experience with these kind of problems before?
>
> -Regards
>
> 2007/5/8, Arne Hansen <bsd.diverse at gmail.com 
> <mailto:bsd.diverse at gmail.com>>:
>
>     Hello.
>     I have a set of 20 MRI images. I am developing a segmentation
>     method which is based on intensity distributions off subsamples of
>     all the images. The problem is that the intensity distribution
>     varies across the images, so I need to somehow process it so that
>     it becomes standard. I have thought about just substracting the
>     mean and divide with the standard deviation for each image to get
>     standardized data, but I cannot see if this will affect the
>     probability distribution.
>
>     So my question is, how are images normally preprocessed in order
>     to have corresponding intensities across all images, so that an
>     intensity based algorithm can work on all the images?
>
>     I hope you know what I mean, otherwise I will gladly try to
>     explain it again.
>
>     Looking forward to hear from you.
>
>     Best of regards
>
>
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