Zobrazeno 1 - 10
of 41
pro vyhledávání: '"T. Herman"'
Publikováno v:
Medical Physics. 37:4938-4945
Purpose: To describe a fast projection algorithm for optimizing intensity modulated proton therapy (IMPT) plans and to describe and demonstrate the use of this algorithm in multicriteria IMPT planning. Methods: The authors develop a projection-based
Autor:
T. K. Narayan, Gabor T. Herman
Publikováno v:
Medical Physics. 26:427-437
A methodology for automated detection of pulmonary nodules in low-dose computed tomography(CT)images is investigated. The methodology in question consists of (i) identifying some connected set of pixels in the CTimage as a potential site for a nodule
Publikováno v:
Medical Physics. 43:3554-3554
Purpose: To determine from retrospective study the most appropriate technique for targeting small borderline operable pancreatic cancer surrounding blood vessels by evaluating the dosimetry and normal tissue sparing achievable using Volumetric Modula
Publikováno v:
Medical physics. 37(9)
To describe a fast projection algorithm for optimizing intensity modulated proton therapy (IMPT) plans and to describe and demonstrate the use of this algorithm in multicriteria IMPT planning.The authors develop a projection-based solver for a class
Publikováno v:
Medical Physics. 41:274-274
Purpose: To investigate the dosimetric accuracy of multiple-diode-array detector (Mapcheck2) for high-dose-rate brachytherapy Ir-192 source. The two-dimensional (2D) dose distributions measured with MapCheck2 were validated with EBT2 Gafchromic film
Publikováno v:
Medical Physics. 37:3117-3118
Purpose: Single photon emission tomography(SPECT) was used to measure the distribution of radioactivity and obtain quantitative air‐kerma strength (AKS) of the seeds implanted in low‐dose rate prostate brachytherapy. A fast 3D discrete Fourier‐
Publikováno v:
Medical Physics. 35:2844-2845
Purpose: To evaluate and compare dose to tumor and normal tissues in patients with thoracic malignancies calculated using heterogeneity corrections. Method and Materials: Fifteen lung patients were evaluated. Multiple non‐opposing co planner beams
Publikováno v:
Medical Physics. 40:195-195
Purpose: To investigate quantitatively the variations of gross tumor volume (GTV) as a function of time and cumulative dose during radiotherapy treatment and evaluate corresponding tumor control probability (TCP) in non‐small cell lung carcinoma (N
Publikováno v:
Medical Physics. 40:514-514
Purpose: To assess quantitatively elongation of mobile targets in cone‐beam CT (CBCT) imaging by measurement and modeling. A mathematical model was derived that predicts the measured lengths of mobile targets and its dependence on target size and m
Publikováno v:
Medical Physics. 40:127-127
Purpose: To investigate quantitatively variations in CT number distributions of mobile targets in cone‐beam CT (CBCT) imaging. A mathematical model was developed to predict variations in the CT number distributions and their dependence on motion pa