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Electron ptychography provides new opportunities to resolve atomic structures with deep sub-angstrom spatial resolution and studying electron-beam sensitive materials with high dose efficiency. In practice, obtaining accurate ptychography…

材料科学 · 物理学 2022-04-26 Michael C. Cao , Zhen Chen , Yi Jiang , Yimo Han

We propose a novel Energy-Predictive Drone Service (EPDS) framework for efficient package delivery within a skyway network. The EPDS framework incorporates a formal modeling of an EPDS and an adaptive bidirectional Long Short-Term Memory…

机器人学 · 计算机科学 2025-08-05 Guanting Ren , Babar Shahzaad , Balsam Alkouz , Abdallah Lakhdari , Athman Bouguettaya

A pinching-antenna systems (PASS)-enabled unmanned aerial vehicle (UAV) delivery framework is proposed, which exploits the capability of PASS to establish a strong line-of-sight link and reduce free-space pathloss.Aiming at minimizing the…

系统与控制 · 电气工程与系统科学 2025-10-01 Suyu Lv , Meng Li , Qi Li , Yuanwei Liu

High-dose-rate brachytherapy is a tumor treatment method where a highly radioactive source is brought in close proximity to the tumor. In this paper we develop a simulated annealing algorithm to optimize the dwell times at preselected dwell…

医学物理 · 物理学 2017-03-29 Timo M. Deist , Bram L. Gorissen

In the past decades mathematical optimization has found its way into radiation therapy and has made profound practice changing impact. Today, virtually all advanced treatment delivery methods, such as IMRT, VMAT, tomotherapy, LDR/HDR…

医学物理 · 物理学 2018-10-31 Bram L. Gorissen , Jan Unkelbach , Thomas R. Bortfeld

Thermoelectric generation (TEG) has increasingly drawn attention for being environmentally friendly. A few researches have focused on improving TEG efficiency at the system level on vehicle radiators. The most recent reconfiguration…

其他计算机科学 · 计算机科学 2018-04-06 Hanchen Yang , Feiyang Kang , Caiwen Ding , Ji Li , Jaemin Kim , Donkyu Baek , Shahin Nazarian , Xue Lin , Paul Bogdan , Naehyuck Chang

Pervasive AI increasingly depends on on-device learning systems that deliver low-latency and energy-efficient computation under strict resource constraints. Liquid State Machines (LSMs) offer a promising approach for low-power temporal…

机器学习 · 计算机科学 2026-01-09 Zain Iqbal , Lorenzo Valerio

Accurate exploration of protein conformational ensembles is essential for uncovering function but remains hard because molecular-dynamics (MD) simulations suffer from high computational costs and energy-barrier trapping. This paper presents…

机器学习 · 计算机科学 2025-11-14 Yuancheng Sun , Yuxuan Ren , Zhaoming Chen , Xu Han , Kang Liu , Qiwei Ye

Hypothesis: Pre-operative cochlear implant (CI) electrode array (EL) insertion plans created by automated image analysis methods can improve positioning of slim pre-curved EL. Background: This study represents the first evaluation of a…

图像与视频处理 · 电气工程与系统科学 2024-10-25 Kareem O. Tawfik , Mohammad M. R. Khan , Ankita Patro , Miriam R. Smetak , David Haynes , Robert F. Labadie , René H. Gifford , Jack H. Noble

As depth increases, linear energy transfer (LET) rises toward the distal edge of the Bragg peak, boosting the radiobiological effectiveness (RBE). To manage the biological variation and limit normal-tissue damage, LET-modifying objective…

医学物理 · 物理学 2025-05-22 Lisa Seckler , Amit Ben Antony Bennan , Niklas Wahl

Proton pencil beam scanning (PBS) treatment planning for head & neck (H&N) cancers involves numerous conflicting objectives, requiring iterative objective parameter adjustments to balance multiple clinical goals. We propose a…

人工智能 · 计算机科学 2025-09-16 Qingqing Wang , Liqiang Xiao , Chang Chang

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…

医学物理 · 物理学 2025-09-08 Nimita Shinde , Wangyao Li , Ronald C Chen , Hao Gao

This work aims to study the generalizability of a pre-developed deep learning (DL) dose prediction model for volumetric modulated arc therapy (VMAT) for prostate cancer and to adapt the model to three different internal treatment planning…

In this paper we propose a solution to the need for a fast particle transport algorithm in Online Adaptive Proton Therapy capable of cheaply, but accurately computing the changes in patient dose metrics as a result of changes in the system…

医学物理 · 物理学 2022-08-26 Tiberiu Burlacu , Danny Lathouwers , Zoltán Perkó

In this paper, we consider partitioned edge learning (PARTEL), which implements parameter-server training, a well known distributed learning method, in a wireless network. Thereby, PARTEL leverages distributed computation resources at edge…

信息论 · 计算机科学 2021-03-19 Dingzhu Wen , Ki-Jun Jeon , Mehdi Bennis , Kaibin Huang

In recent years, a rich variety of regularization procedures have been proposed for high dimensional regression problems. However, tuning parameter choice and computational efficiency in ultra-high dimensional problems remain vexing issues.…

统计计算 · 统计学 2012-01-18 Hua Zhou , Artin Armagan , David B. Dunson

Radiotherapy treatment planning currently requires many trail-and-error iterations between the planner and treatment planning system, as well as between the planner and physician for discussion/consultation. The physician's preferences for…

医学物理 · 物理学 2019-08-01 Dan Nguyen , Azar Sadeghnejad Barkousaraie , Chenyang Shen , Xun Jia , Steve Jiang

Next generation online and real-time adaptive radiotherapy workflows require precise particle transport simulations in sub-second times, which is unfeasible with current analytical pencil beam algorithms (PBA) or stochastic Monte Carlo (MC)…

医学物理 · 物理学 2022-02-08 Oscar Pastor-Serrano , Zoltán Perkó

Adaptive radiation therapy (ART) seeks to maintain accurate dose delivery by monitoring anatomical changes during treatment and modifying plans accordingly, yet commonly used approaches for estimating cumulative dose rely on heuristic,…

医学物理 · 物理学 2026-03-03 Robert Boyd , Wolfgang A. Tomé

Predictive dosimetry is central to enabling personalized radiopharmaceutical therapy (RPT), particularly in prostate specific membrane antigen (PSMA) targeted theranostics. In this work, we develop a three layer computational framework that…

医学物理 · 物理学 2026-02-02 Hamid Abdollahi , James Fowler , Carlos Uribe , Arman Rahmim