Dear Afonso Ueslei da Fonseca ,

please have a look at section 4 (Experiment)/ ( 4.1 Data set) at page 10/17 of:

Preprint Learning Bone Suppression from Dual Energy Chest X-rays usin...

The authors used dual energy chest data sets of 348 patients.

You may, for example, ask the authors (being RG members) on how to get access to that data set. But I do not know whether it is a public data base.

Good luck and best regards

G.M.

Dear Dr. Gerhard Martens

Thanks for your suggestion and I will follow it up.

Best regards,

A.U.F.