Publications (31)
An Index Policy Based on Sarsa and Q-learning for Heterogeneous Smart Target Tracking
Yuhang Hao, Zengfu Wang, Jing Fu +1
In solving the non-myopic radar scheduling for multiple smart target tracking within an active and passive radar network, we need to consider both short-term enhanced tracking perf…
NTIRE 2024 Quality Assessment of AI-Generated Content Challenge
Xiaohong Liu, Xiongkuo Min, Guangtao Zhai +111
This paper reports on the NTIRE 2024 Quality Assessment of AI-Generated Content Challenge, which will be held in conjunction with the New Trends in Image Restoration and Enhancemen…
Towards establishing best practice in the analysis of hydrogen and deuterium by atom probe tomography
Baptiste Gault, Aparna Saksena, Xavier Sauvage +42
As hydrogen is touted as a key player in the decarbonization of modern society, it is critical to enable quantitative H analysis at high spatial resolution, if possible at the atom…
Multi-Action Restless Bandits with Weakly Coupled Constraints: Simultaneous Learning and Control
Jing Fu, Bill Moran, José Niño-Mora
We study a system with finitely many groups of multi-action bandit processes, each of which is a Markov decision process (MDP) with finite state and action spaces and potentially d…
A Restless Bandit Model for Resource Allocation, Competition and Reservation
Jing Fu, Bill Moran, Peter G. Taylor
We study a resource allocation problem with varying requests, and with resources of limited capacity shared by multiple requests. It is modeled as a set of heterogeneous Restless M…
Constructing a Question-Answering Simulator through the Distillation of LLMs
Haipeng Liu, Ting Long, Jing Fu
The question-answering (QA) simulator is a model that mimics real student learning behaviors and predicts their correctness of their responses to questions. QA simulators enable ed…
Non-myopic Beam Scheduling for Multiple Smart Target Tracking in Phased Array Radar Network
Yuhang Hao, Zengfu Wang, José Niño-Mora +3
A smart target, also referred to as a reactive target, can take maneuvering motions to hinder radar tracking. We address beam scheduling for tracking multiple smart targets in phas…
Act As a Real Researcher: A Suite of Benchmarks Evaluating Frontier LLMs and Agentic Harnesses in Research Lifecycle
Jiayu Wang, Weijiang Lv, Bowen Fu +8
As foundation models advance and agent scaffolding becomes increasingly sophisticated, agents have demonstrated remarkable proficiency in complex, long-horizon coding tasks and eve…
Weakly-Coupled Multi-Action Restless Bandits -- Exponential Convergence in Probability
Jing Fu, Bill Moran, Jose Nino-Mora
We study a finite time horizon Markov decision process (MDP) consisting of several groups of multi-action finite-state restless bandit processes, which are identical within each gr…
Harmonic surface mapping algorithm for electrostatic potentials in an atomistic/continuum hybrid model for electrolyte solutions
Jing Fu, Zecheng Gan
Simulating charged many-body systems has been a computational demanding task due to the long-range nature of electrostatic interaction. For the multi-scale model of electrolytes wh…
Energy Efficient Priority-Based Task Scheduling for Computation Offloading in Fog Computing
Jiaying Yin, Jing Fu, Jingjin Wu +1
Fog computing offers a flexible solution for computational offloading for Internet of Things (IoT) services at the edge of wireless networks. It serves as a complement to tradition…
A Study of a Loss System with Priorities
Hang Yang, Jing Fu, Jingjin Wu +1
The Erlang loss formula, also known as the Erlang B formula, has been known for over a century and has been used in a wide range of applications, from telephony to hospital intensi…
Direct imaging of liquid-nanoparticle interface with atom probe tomography
Shi. Qiu, Changxi Zheng, Qi Zhou +8
Understanding the structure and chemical composition at the liquid-nanoparticle (NP) interface is crucial for a wide range of physical, chemical and biological processes. In this s…
Interference Mitigation in LEO Constellations with Limited Radio Environment Information
Fernando Moya Caceres, Akram Al-Hourani, Saman Atapattu +8
This research paper delves into interference mitigation within Low Earth Orbit (LEO) satellite constellations, particularly when operating under constraints of limited radio enviro…
Nanoscale Analysis of Frozen Water by Atom Probe Tomography Using Graphene Encapsulation and Cryo-Workflows: A Parametric Study
Florant Exertier, Levi Tegg, Adam Taylor +3
There has been an increasing interest in atom probe tomography (APT) to characterise hydrated and biological materials. A major benefit of APT compared to microscopy techniques mor…
Combinatorial-restless-bandit-based Transmitter-Receiver Online Selection for Distributed MIMO Radars With Non-Stationary Channels
Yuhang Hao, Zengfu Wang, Jing Fu +3
We track moving targets with a distributed multiple-input multiple-output (MIMO) radar, for which the transmitters and receivers are appropriately paired and selected with a limite…
Energy-Efficient Job-Assignment Policy with Asymptotically Guaranteed Performance Deviation
Jing Fu, Bill Moran
We study a job-assignment problem in a large-scale server farm system with geographically deployed servers as abstracted computer components (e.g., storage, network links, and proc…
CorePath: A Breast-Specialized Pathology Foundation Model for Core Needle Biopsy Diagnosis and Risk-Controlled Report Generation
Ting Yin, Danning Li, Chen Shu +17
Breast core needle biopsy (CNB) is central to breast cancer diagnosis yet remains challenging because limited tissue sampling, lesion heterogeneity, and subtle morphologic overlap…
Experts' cognition-driven ensemble deep learning for external validation of predicting pathological complete response to neoadjuvant chemotherapy from histological images in breast cancer
Yongquan Yang, Fengling Li, Yani Wei +4
In breast cancer, neoadjuvant chemotherapy (NAC) provides a standard treatment option for patients who have locally advanced cancer and some large operable tumors. A patient will h…
Substrate-mediated Borophane Polymorphs through Hydrogenation of Two-dimensional Boron Sheets
Yuchong Kang, Xiaoyun Ma, Jing Fu +5
Two-dimensional boron monolayer (borophene) stands out from the two-dimensional atomic layered materials due to its structural flexibility, tunable electronic and mechanical proper…
Graphene nanopipette enabled liquid delivery at zeptoliter precision
Shi Qiu, Yu Chen, Gediminas Gervinskas +4
Accurate extraction of liquid is the first step towards low-volume liquid delivery and nanocharacterization, which plays a significant role in biomedical research. In this study, a…
Deep Learning-Based Longitudinal Prediction of Childhood Myopia Progression Using Fundus Image Sequences and Baseline Refraction Data
Mengtian Kang, Yansong Hu, Shuo Gao +13
Childhood myopia constitutes a significant global health concern. It exhibits an escalating prevalence and has the potential to evolve into severe, irreversible conditions that det…
Uniform Planar Array Based Weighted Cooperative Spectrum Sensing for Cognitive Radio Networks
Charith Dissanayake, Saman Atapattu, Prathapasinghe Dharmawansa +3
Cooperative spectrum sensing (CSS) is essential for improving the spectrum efficiency and reliability of cognitive radio applications. Next-generation wireless communication networ…
A Restless Bandit Model for Dynamic Ride Matching with Reneging Travelers
Jing Fu, Lele Zhang, Zhiyuan Liu
This paper studies a large-scale ride-matching problem with a large number of travelers who are either drivers with vehicles or riders looking for sharing vehicles. Drivers can mat…
On the Convergence of Belief Propagation for Multipath Data Association in Target Tracking
Kuilong Yang, Zengfu Wang, Hua Lan +1
Belief propagation (BP) is widely used for data association (DA) in target tracking. Existing convergence analyses of BP for DA address only the two-way correspondence between targ…
Energy Efficient Offloading Policies in Multi-Access Edge Computing Systems with Task Handover
Ling Hou, Shi Li, Zhishu Shen +3
The rapid growth of mobile devices and the increasing complexity of tasks have made energy efficiency a critical challenge in Multi-Access Edge Computing (MEC) systems. This paper…
A Restless Bandit Model for Energy-Efficient Job Assignments in Server Farms
Jing Fu, Xinyu Wang, Zengfu Wang +1
We aim to maximize the energy efficiency, gauged as average energy cost per job, in a large-scale server farm with various storage or/and computing components modeled as parallel a…
Joint State Estimation and Noise Identification Based on Variational Optimization
Hua Lan, Shijie Zhao, Jinjie Hu +2
In this article, the state estimation problems with unknown process noise and measurement noise covariances for both linear and nonlinear systems are considered. By formulating the…
OVEarth-Bench: Evaluating Category Breadth and Query Diversity for Open-Vocabulary Earth Observation
Kaiyu Li, Zepeng Xin, Zixuan Jiang +4
The paper presents OVEarth-Bench, a new benchmark for open-vocabulary Earth observation that evaluates models on a wide hierarchical set of categories and diverse query types, supp…
NTIRE 2025 challenge on Text to Image Generation Model Quality Assessment
Shuhao Han, Haotian Fan, Fangyuan Kong +112
This paper reports on the NTIRE 2025 challenge on Text to Image (T2I) generation model quality assessment, which will be held in conjunction with the New Trends in Image Restoratio…
Coordinated Multi-Agent Patrolling with State-Dependent Cost Rates: Asymptotically Optimal Policies for Large-Scale Systems
Jing Fu, Zengfu Wang, Jie Chen
We study a large-scale patrol problem with state-dependent costs and multi-agent coordination.We consider heterogeneous agents, rather general reward functions, and the capabilitie…