Direction for a Ph.D research

Dear Friend,

I have already posted this messege few months ago and I got no
response yet.
I am starting a Ph.D. about  Building Intellegent Expert system for
diagnosis of medical images. I know there are two schools for doing
that: the numeric school and the symbolic school. The first school
transforms the problem to linear algebra problem and uses concepts
such as distance, feature vector, matrices transformation to tackle
the problem. The second school starts by collecting human expert
knowldge and write it down as a set of rules (If then rules) in the
form of expert knowldge database. Each one of these schools has its
advantage and disadvantages and new research has emerged that tries to
combine both approaches in a single paradigm. My questions is anybody
have any idea about this approach? where to start? and is there any
articles pubilshed in that area. Is there any idea that can be used as
a starting point for that kind of research.

Thanks
Juntu

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