A method for robust segmentation of arbitrarily shaped radiopaque structures in cone-beam CT projections

Purpose: Implanted markers are commonly used in radiotherapy for x-ray based target localization. The projected marker position in a series of cone-beam CT (CBCT) projections can be used to estimate the three dimensional (3D) target trajectory during the CBCT acquisition. This has important applicat...

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Main Authors: Poulsen, Per Rugaard, Fledelius, Walther, Keall, Paul J., Weiss, Elisabeth, Lu, Jun, Brackbill, Emily, Hugo, Geoffrey D.
Format: Artigo
Jezik:Inglês
Izdano: American Association of Physicists in Medicine 2011
Teme:
Radiation Therapy Physics
Online dostop:https://ncbi.nlm.nih.gov/pmc/articles/PMC3078162/
https://ncbi.nlm.nih.gov/pubmed/21626948
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.3555295
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