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Related papers: A conceptual study on real-time adaptive radiation…

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Purpose: To evaluate automated multicriteria optimization (MCO)-- designed for intensity modulated radiation therapy (IMRT), but invoked with limited segmentation -- to efficiently produce high quality 3D conformal treatment (3D-CRT) plans.…

Medical Physics · Physics 2014-02-03 Fazal Khan , David Craft

Dynamic spectrum management is recognized as a key technique to tackle interference in multi-user multi-carrier communication systems and networks. However existing dynamic spectrum management algorithms may not be suitable when the…

Information Theory · Computer Science 2013-08-28 Paschalis Tsiaflakis , François Glineur , Marc Moonen

Radiation therapy is an effective and widely accepted form of treatment for many types of cancer that requires extensive computerized planning. Unfortunately, current treatment planning systems have limited or no visual aid that combines…

Graphics · Computer Science 2018-11-30 Felix G. Hamza-Lup , Ivan Sopin , Omar Zeidan

Beam management is an important technique to improve signal strength and reduce interference in wireless communication systems. Recently, there has been increasing interest in using diverse sensing modalities for beam management. However,…

Signal Processing · Electrical Eng. & Systems 2024-10-29 Mohammad Ghassemi , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

Objective: Spatiotemporal optimization in radiation therapy involves determining the optimal number of dose delivery fractions (temporal) and the optimal dose per fraction (spatial). Traditional approaches focus on maximizing the…

Medical Physics · Physics 2025-09-08 Nimita Shinde , Wangyao Li , Ronald C Chen , Hao Gao

The application of existing methods for constructing optimal dynamic treatment regimes is limited to cases where investigators are interested in optimizing a utility function over a fixed period of time (finite horizon). In this manuscript,…

Methodology · Statistics 2015-10-22 Ashkan Ertefaie

Unmanned aerial vehicles (UAVs) with flexible deployment contribute to enlarging the distance of information transmission to mobile users (MUs) in constrained environment. However, due to the high mobility of both UAVs and MUs, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-23 Jing Zhang , Sheng Gao , Xin Feng , Hongwei Yang , Geng Sun

Purpose: The FLASH effect, which reduces the radiosensitivity of healthy tissue while maintaining tumor control at high dose rates, has shown potential for improving radiation therapy. Conformal FLASH proton therapy involves advanced…

Medical Physics · Physics 2023-04-13 Sylvain Deffet , Edmond Sterpin

We present a motion planner for planning through space-time with dynamic obstacles, velocity constraints, and unknown arrival time. Our algorithm, Space-Time RRT* (ST-RRT*), is a probabilistically complete, bidirectional motion planning…

Robotics · Computer Science 2022-03-07 Francesco Grothe , Valentin N. Hartmann , Andreas Orthey , Marc Toussaint

Mobile cyberphysical systems have received considerable attention over the last decade, as communication, computing and control come together on a common platform. Understanding the complex interactions that govern the behavior of large…

Networking and Internet Architecture · Computer Science 2014-06-10 Ahmed Abdelhadi , Andreas Gerstlauer , Sriram Vishwanath

We propose a novel dynamic image reconstruction method from PET listmode data that could be particularly suited to tracking single or small numbers of cells. In contrast to conventional PET reconstruction our method combines the information…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Bernhard Schmitzer , Klaus P. Schäfers , Benedikt Wirth

An individualized treatment regime (ITR) is a decision rule that assigns treatments based on patients' characteristics. The value function of an ITR is the expected outcome in a counterfactual world had this ITR been implemented. Recently,…

Methodology · Statistics 2023-01-16 Pan Zhao , Julie Josse , Shu Yang

We propose a multi-scale approach for computing abstractions of dynamical systems, that incorporates both local and global optimal control to construct a goal-specific abstraction. For a local optimal control problem, we not only design the…

Dynamical Systems · Mathematics 2024-05-13 Julien Calbert , Lucas N. Egidio , Raphaël M. Jungers

In this paper, we propose a novel framework that allows therapists to teach robot-assisted rehabilitation exercises remotely via RGB-D video. Our system encodes demonstrations as 6-DoF body-centric trajectories using Cartesian Dynamic…

Robotics · Computer Science 2026-03-17 Ali Alabbas , Camillo Murgia , Joanne Regan , Philip Long

The work presented here is a novel biological approach for the compliant control of a robotic arm in real time (RT). We integrate a spiking cerebellar network at the core of a feedback control loop performing torque-driven control. The…

Robotics · Computer Science 2020-04-01 Ignacio Abadia , Francisco Naveros , Jesus A. Garrido , Eduardo Ros , Niceto R. Luque

We present a novel method for optimizing the posture of kinematically redundant torque-controlled robots to improve robustness during impacts. A rigid impact model is used as the basis for a configuration-dependent metric that quantifies…

Robotics · Computer Science 2026-02-24 Amr Afifi , Ahmad Gazar , Javier Alonso-Mora , Paolo Robuffo Giordano , Antonio Franchi

Purpose: Patient-specific ridge filters can modulate proton energy to obtain a conformal dose. We describe a new framework for optimization of filter design and spot maps to meet the unique demands of FLASH radiotherapy. We demonstrate an…

MRI-guided radiation therapy (MRgRT) offers a precise and adaptive approach to treatment planning. Deep learning applications which augment the capabilities of MRgRT are systematically reviewed. MRI-guided radiation therapy offers a…

Medical Physics · Physics 2023-03-31 Zach Eidex , Yifu Ding , Jing Wang , Elham Abouei , Richard L. J. Qiu , Tian Liu , Tonghe Wang , Xiaofeng Yang

In this paper we propose and study a novel optimal transport based regularization of linear dynamic inverse problems. The considered inverse problems aim at recovering a measure valued curve and are dynamic in the sense that (i) the…

Functional Analysis · Mathematics 2023-04-26 Kristian Bredies , Silvio Fanzon

Intensity modulated radiotherapy (IMRT) is one of the most common modalities for treating cancer patients. One of the biggest challenges is precise treatment delivery that accounts for varying motion patterns originating from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Matej Gazda , Peter Drotar , Liset Vazquez Romaguera , Samuel Kadoury
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