Abstract:
:The Human Monitoring Laboratory has created a voxel phantom from computer tomography scans of the Lawrence Livermore National Laboratory (LLNL) torso phantom for use in Monte Carlo simulations. The voxel phantom has been compared to the previously developed mathematical phantom using Monte Carlo simulations and both virtual phantoms have been compared to physical measurement of the LLNL phantom. The voxel phantom agreed well with the others, except at very low photon energies (i.e., 17.5 keV), with predicted counting efficiencies being within 2% of the counting efficiencies from the other two phantoms at 59.5 keV and above. The mathematical phantom performs similarly to the voxel phantom, but much faster, so it is an excellent alternative if computer power is lacking. The voxel phantom of the LLNL phantom is available from the authors, on request.
journal_name
Health Physjournal_title
Health physicsauthors
Kramer GH,Capello K,Sung Jdoi
10.1097/01.HP.0000269515.90175.86subject
Has Abstractpub_date
2007-12-01 00:00:00pages
696-700issue
6eissn
0017-9078issn
1538-5159pii
00004032-200712000-00017journal_volume
93pub_type
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