Probabilistic optimization of dose coverage in radiotherapy

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Robust and probabilistic optimization of dose schedules in radiotherapy

We consider the effects of parameter uncertainty on the optimal radiation schedule in the context of the linear-quadratic model. Our interest arises from the observation that if interpatient variations in normal tissues and tumor sensitivities to radiation or sparing factor of the organ at risk (OAR) are not accounted for during radiation scheduling, the performance of the therapy may be strong...

متن کامل

Fast dose algorithm for generation of dose coverage probability for robustness analysis of fractionated radiotherapy.

A fast algorithm is constructed to facilitate dose calculation for a large number of randomly sampled treatment scenarios, each representing a possible realisation of a full treatment with geometric, fraction specific displacements for an arbitrary number of fractions. The algorithm is applied to construct a dose volume coverage probability map (DVCM) based on dose calculated for several hundre...

متن کامل

Algorithms for Biological Dose Optimization in Ion Beam Radiotherapy

From 1997 until 2008 about 440 cancer patients were successfully treated in the ion therapy project at GSI. The patient treatment planning was performed with the software TRiP [1, 2]. A crucial part of the treatment planning is the particle number optimization with the goal to achieve a target dose distribution as close as possible to the prescribed biological dose distribution. The optimizatio...

متن کامل

Efficient Sensor Placement Optimization Using Gradient Descent and Probabilistic Coverage

We are proposing an adaptation of the gradient descent method to optimize the position and orientation of sensors for the sensor placement problem. The novelty of the proposed method lies in the combination of gradient descent optimization with a realistic model, which considers both the topography of the environment and a set of sensors with directional probabilistic sensing. The performance o...

متن کامل

Probabilistic testing coverage

This paper describes a way to compute the coverage for an on-the-fly test generation algorithm based on a probabilistic approach. The on-the-fly test generation and execution process and the development process of an implementation from a specification are viewed as stochastic processes. The probabilities of the stochastic processes are integrated in a generalized definition of coverage. The ge...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physics and Imaging in Radiation Oncology

سال: 2019

ISSN: 2405-6316

DOI: 10.1016/j.phro.2019.03.005