Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hyounggun Lee"'
Publikováno v:
Nuclear Engineering and Technology, Vol 47, Iss 4, Pp 472-478 (2015)
The patient dose incurred from diagnostic procedures during advanced radiotherapy has become an important issue. Many researchers in medical physics are using computational simulations to calculate complex parameters in experiments. However, extended
Externí odkaz:
https://doaj.org/article/50faa78047c7419489ad03d97c69bafc
Publikováno v:
IEEE Transactions on Nuclear Science. 67:2511-2522
Scintillator-based Compton cameras, which comprise of a separated scatter and absorption detectors, neglect the Compton scattering that is followed by a photoelectric effect in a single set of scintillators, wherein the detection efficiency is severe
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1043:167485
Publikováno v:
Journal of the Korean Physical Society. 71:70-76
The performance of a Compton imager using a single three-dimensional position-sensitive LYSO scintillator detector was estimated using a Monte Carlo simulation. The Compton imager consisted of a single LYSO scintillator with a pixelized structure. Th
Publikováno v:
Journal of the Korean Physical Society. 70:184-191
The purpose of this study is to compare and evaluate the performance of a multiple-scattering Compton imager (MSCI) to measure prompt gamma-rays emitted during proton therapy. Because prompt gamma-rays are generated simultaneously during the proton b
Publikováno v:
IEEE Transactions on Nuclear Science. 63:2801-2806
This study evaluated the performance of a multiple-scattering Compton camera (MSCC) for in vivo monitoring of the dose distribution of therapeutic photons in various phantoms. When 6-MV photons interacted with materials in the phantom, most photons d
Publikováno v:
Journal of the Korean Physical Society. 68:1156-1164
For Compton image reconstruction, analytic reconstruction methods such as filtered backprojection have been used for real-time imaging. The conventional filtered back-projection method assumes a uniformly distributed azimuthal response in the detecto
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 954:161783
In this study, a coded-aperture imager with a depth of interaction (DOI) detector was designed and its performance was evaluated using a Monte Carlo simulation. The DOI coded-aperture imager consisted of a modified uniformly redundant array (MURA) an
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 798:135-139
This study evaluated the use of Compton imaging technology to monitor prompt gamma rays emitted by 10 B in boron neutron capture therapy (BNCT) applied to a computerized human phantom. The Monte Carlo method, including particle-tracking techniques, w
Publikováno v:
2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).
We developed a Compton camera using a single 3D position-sensitive LYSO scintillator coupled multi-pixel photon counter array. The LYSO scintillators had a 4×4×4 voxelized structure and the size of each voxel was 3×3×3 mm3. On the top and the bot