Hi, I am not sure I understand your question but it seems to me that your problem is beam hardening. It is a known limitation of polychromatic x-ray imaging and there is a wealth of literature on the subject. Best regards, Simon
On Mon, Oct 9, 2017 at 10:23 AM, M B Sai Mahesh < [email protected]> wrote: > Dear all, > We are using rtk for CBCT reconstruction (cuda FDK cone beam > reconstruction > filter ). I am mapping the voxels to attenuation value linearly.The > slope and intercept for that mapping are calculated from > the known phantom and known KV . But linear mapping does not work for all > the materials > in the phantom. I have read some journals and most seem to suggest that > attenuation and the reconstructed voxels are related linearly. > Can anyone suggest other ways. Any pointers to references are appreciated. > > with regards, > M.B.SaiMahesh. > > > ************************************************************ > *********************** > PANACEA MEDICAL TECHNOLOGIES PVT. LTD. > Head Office: Plot #116, 4th Floor, Shailendra Techno Park, Road No 3, EPIP > Area Phase 1, Whitefield, Bangalore - 560 066, Karnataka, INDIA > Manufacturing Unit: Plot #87 A, Phase -II, Malur KIADB Industrial Area, > Malur - 563130. Kolar District. INDIA. > > Tel : +91 80 4242 8700 / 2845 4785 > Fax : + 91 80 42428710 > Url : http://www.panaceamedical.com > ____________________________________________________________ > ________________ > PMT EMAIL DISCLAIMER: > > This email and any files transmitted with it are confidential and intended > solely for the use of the individual or entity to whom they are addressed. > If you have received this email in error please notify the system manager. > Please note that any views or opinions presented in this email are solely > those of the author and do not necessarily represent those of the company. > Finally, the recipient should check this email and any attachments for the > presence of viruses. The company accepts no liability for any damage > caused by any virus transmitted by this email. > > _______________________________________________ > Rtk-users mailing list > [email protected] > http://public.kitware.com/mailman/listinfo/rtk-users >
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