Lessons learned from a HDR brachytherapy well ionisation chamber calibration error [0.03%]
HDR后装治疗井离子室校准误差的教训
Claire Dempsey
Claire Dempsey
The outcomes of a recent brachytherapy well-type ionization chamber calibration error are given in the hope that other brachytherapy treatment centres may better understand the importance of each entry stated in a well chamber calibration c...
Characterization of a Fricke dosimeter at high energy photon and electron beams used in radiotherapy [0.03%]
用于放射治疗的高能光子和电子束的弗里克剂量计的特性研究
O Moussous,S Khoudri,M Benguerba
O Moussous
The dosimetric features of the Fricke dosimeter in clinical linear accelerator beams are considered. Experimental data were obtained using various nominal energies 6 and 18 MV, 12 and 15 MeV, including the (60)Co γ-ray beam. The calibratio...
Validation of image registration and fusion of MV CBCT and planning CT for radiotherapy treatment planning [0.03%]
MV-CBCT和计划CT的图像配准和融合的有效性验证研究用于放射治疗计划制定中
T Hannah Mary Thomas,D Devakumar,S Balukrishna et al.
T Hannah Mary Thomas et al.
In areas like adaptive therapy, multi-phase radiotherapy, and single fraction palliative treatment or in the treatment of patients with metal implants where megavoltage(MV) CT could be considered as a treatment planning modality, the reduce...
Neural network algorithm for image reconstruction using the "grid-friendly" projections [0.03%]
基于“网格化”投影的图像重建神经网络算法研究
Robert Cierniak
Robert Cierniak
The presented paper describes a development of original approach to the reconstruction problem using a recurrent neural network. Particularly, the "grid-friendly" angles of performed projections are selected according to the discrete Radon ...
Patient positioning with X-ray detector self-calibration for image guided therapy [0.03%]
基于X射线检测器自校准的IGRT病人摆位技术
Boris Peter Selby,Georgios Sakas,Wolfgang-Dieter Groch et al.
Boris Peter Selby et al.
Automatic alignment estimation from projection images has a range of applications, but misaligned cameras induce inaccuracies. Calibration methods for optical cameras requiring calibration bodies or detectable features have been a matter of...
AFOMP Policy Statement No. 3: recommendations for the education and training of medical physicists in AFOMP countries [0.03%]
AFOMP政策声明第3号：关于AFOMP国家医学物理学家教育和培训的建议
W H Round,K H Ng,B Healy et al.
W H Round et al.
AFOMP recognizes that clinical medical physicists should demonstrate that they are competent to practice their profession by obtaining appropriate education, training and supervised experience in the specialties of medical physics in which ...
Quantifying the effects of iodine contrast media on standardised uptake values of FDG PET/CT images: an anthropomorphic phantom study [0.03%]
碘对比剂对FDG PET/CT图像标准摄取值影响的定量研究：类人体体模研究
Hairil Rashmizal Abdul Razak,Abdul Jalil Nordin,Trevor Ackerly et al.
Hairil Rashmizal Abdul Razak et al.
This study aimed to quantify the amount of change in Standardised Uptake Values (SUVs) of PET/CT images by simulating the set-up as closely as possible to the actual patient scanning. The experiments were conducted using an anthropomorphic ...
EBT2 radiochromic film for quality assurance of complex IMRT treatments of the prostate: micro-collimated IMRT, RapidArc, and TomoTherapy [0.03%]
EBT2射线照相胶片在前列腺复杂IMRT治疗(微孔型IMRT、RapidArc和TomoTherapy)质量控制中的应用研究
T Kairn,N Hardcastle,J Kenny et al.
T Kairn et al.
In response to the clinical need for a dosimetry system with both high resolution and minimal angular dependence, this study demonstrates the utility of Gafchromic EBT2 radiochromic dosimetry film for the quality assurance of micro-collimat...
Scanner uniformity improvements for radiochromic film analysis with matt reflectance backing [0.03%]
带有亚光反射背衬的放射染色胶片分析的扫描仪均匀性改进
Ethan Butson,Hani Alnawaf,Peter K N Yu et al.
Ethan Butson et al.
A simple and reproducible method for increasing desktop scanner uniformity for the analysis of radiochromic films is presented. Scanner uniformity, especially in the non-scan direction, for transmission scanning is well known to be problema...
Evaluation of linear array MOSFET detectors for in vivo dosimetry to measure rectal dose in HDR brachytherapy [0.03%]
线阵MOSFET探测器在高剂量率组织间后装治疗中测量直肠剂量的体内剂量校准评估
Aisling Haughey,George Coalter,Koki Mugabe
Aisling Haughey
The study aimed to assess the suitability of linear array metal oxide semiconductor field effect transistor detectors (MOSFETs) as in vivo dosimeters to measure rectal dose in high dose rate brachytherapy treatments. The MOSFET arrays were ...