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Luciano Guandalini
04-18-2004, 03:36 PM
I'm a researcher in the Istituti Ortopedici Rizzoli, Bologna, Italy.
My research line is above bone cement used in total hip artroplasty.

I have to evaluate the radiopacity of some new cement formulations.
In some previous works we calculated the optical density from the
x-ray films obtained from special specimens made with the cement
using a digital densitometer. Nowadays our x-ray apparatus, thanks to
the technology's evolution, does not directly print a film but
creates a digital image that could obviously be printed on
radiographic film.
I would like to use directly the digital image but I don't know how
to evaluate the optical density starting from that kind of medium.

Is there anyone that already did something like this?
Can I find some software (better if free) in the net?

Thanks to everybody is going to answer me

Luciano Guandalini
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Luciano Gaundalini
Lab. Tecnologia Medica
Isituti Ortopedici Rizzoli
Bologna, Italy
Tel. 0039 051 6366864
Fax. 0039 051 6366863
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