papers

Publications (90)

cs.SD2024

Psychoacoustic Challenges Of Speech Enhancement On VoIP Platforms

Joseph Konan, Shikhar Agnihotri, Ojas Bhargave +4

Within the ambit of VoIP (Voice over Internet Protocol) telecommunications, the complexities introduced by acoustic transformations merit rigorous analysis. This research, rooted i…

eess.SY2016

Taxi Dispatch with Real-Time Sensing Data in Metropolitan Areas: A Receding Horizon Control Approach

Fei Miao, Shuo Han, Shan Lin +6

Traditional taxi systems in metropolitan areas often suffer from inefficiencies due to uncoordinated actions as system capacity and customer demand change. With the pervasive deplo…

cs.LG2024

When to Trust Your Data: Enhancing Dyna-Style Model-Based Reinforcement Learning With Data Filter

Yansong Li, Zeyu Dong, Ertai Luo +3

Reinforcement learning (RL) algorithms can be divided into two classes: model-free algorithms, which are sample-inefficient, and model-based algorithms, which suffer from model bia…

eess.SY2025

Policy Gradient Methods for Information-Theoretic Opacity in Markov Decision Processes

Chongyang Shi, Sumukha Udupa, Michael R. Dorothy +2

Opacity, or non-interference, is a property ensuring that an external observer cannot infer confidential information (the "secret") from system observations. We introduce an inform…

eess.IV2025

PoCGM: Poisson-Conditioned Generative Model for Sparse-View CT Reconstruction

Changsheng Fang, Yongtong Liu, Bahareh Morovati +3

In computed tomography (CT), reducing the number of projection views is an effective strategy to lower radiation exposure and/or improve temporal resolution. However, this often re…

cs.SI2016

Bio-Inspired Framework for Allocation of Protection Resources in Cyber-Physical Networks

Victor M. Preciado, Michael Zargham, Chinwendu Enyioha +5

In this chapter, we consider the problem of designing protection strategies to contain spreading processes in complex cyber-physical networks. We illustrate our ideas using a famil…

hep-ex2025

New Physics Search at the CEPC: a General Perspective

Xiaocong Ai, Stefan Antusch, Peter Athron +211

The Circular Electron-Positron Collider (CEPC), a proposed next-generation Higgs factory, provides new opportunities to explore physics beyond the Standard Model (SM). With its cle…

cs.CL2025

CoLMbo: Speaker Language Model for Descriptive Profiling

Massa Baali, Shuo Han, Syed Abdul Hannan +5

Speaker recognition systems are often limited to classification tasks and struggle to generate detailed speaker characteristics or provide context-rich descriptions. These models p…

eess.SY2017

Data-Driven Robust Taxi Dispatch under Demand Uncertainties

Fei Miao, Shuo Han, Shan Lin +6

In modern taxi networks, large amounts of taxi occupancy status and location data are collected from networked in-vehicle sensors in real-time. They provide knowledge of system mod…

math.OC2014

Differentially Private Distributed Constrained Optimization

Shuo Han, Ufuk Topcu, George J. Pappas

Many resource allocation problems can be formulated as an optimization problem whose constraints contain sensitive information about participating users. This paper concerns solvin…

cs.MA2023

Robust Electric Vehicle Balancing of Autonomous Mobility-On-Demand System: A Multi-Agent Reinforcement Learning Approach

Sihong He, Shuo Han, Fei Miao

Electric autonomous vehicles (EAVs) are getting attention in future autonomous mobility-on-demand (AMoD) systems due to their economic and societal benefits. However, EAVs' unique…

cs.SD2023

PAAPLoss: A Phonetic-Aligned Acoustic Parameter Loss for Speech Enhancement

Muqiao Yang, Joseph Konan, David Bick +5

Despite rapid advancement in recent years, current speech enhancement models often produce speech that differs in perceptual quality from real clean speech. We propose a learning o…

cond-mat.mtrl-sci2022

Interweaving Polar Charge Orders in a Layered Metallic Super-atomic Crystal

Shuya Xing, Linlu Wu, Zilu Wang +15

Electronic properties of super-atomic crystals have not been sufficiently explored due to the versatility of their building units; moreover, their inter-unit couplings are even poo…

cond-mat.mtrl-sci2020

Atomic structure of CdS magic-size clusters by X-ray absorption spectroscopy

Ying Liu, Lei Tan, Giannantonio Cibin +5

Magic-size clusters are ultra-small colloidal semiconductor systems that are intensively studied due to their monodisperse nature and sharp UV-vis absorption peak compared with reg…

eess.IV2019

Center-Extraction-Based Three Dimensional Nuclei Instance Segmentation of Fluorescence Microscopy Images

David Joon Ho, Shuo Han, Chichen Fu +3

Fluorescence microscopy is an essential tool for the analysis of 3D subcellular structures in tissue. An important step in the characterization of tissue involves nuclei segmentati…

math.OC2014

Differentially Private Convex Optimization with Piecewise Affine Objectives

Shuo Han, Ufuk Topcu, George J. Pappas

Differential privacy is a recently proposed notion of privacy that provides strong privacy guarantees without any assumptions on the adversary. The paper studies the problem of com…

cs.CR2022

A Secure and Efficient Federated Learning Framework for NLP

Jieren Deng, Chenghong Wang, Xianrui Meng +7

In this work, we consider the problem of designing secure and efficient federated learning (FL) frameworks. Existing solutions either involve a trusted aggregator or require heavyw…

eess.IV2025

Physics-informed Score-based Diffusion Model for Limited-angle Reconstruction of Cardiac Computed Tomography

Shuo Han, Yongshun Xu, Dayang Wang +5

Cardiac computed tomography (CT) has emerged as a major imaging modality for the diagnosis and monitoring of cardiovascular diseases. High temporal resolution is essential to ensur…

cs.AI2024

Soft-Label Integration for Robust Toxicity Classification

Zelei Cheng, Xian Wu, Jiahao Yu +3

Toxicity classification in textual content remains a significant problem. Data with labels from a single annotator fall short of capturing the diversity of human perspectives. Ther…

math.OC2021

Causal State Feedback Representation for Linear Quadratic Optimal Control Problems of Singular Volterra Integral Equations

Shuo Han, Ping Lin, Jiongmin Yong

This paper is concerned with a linear quadratic optimal control for a class of singular Volterra integral equations. Under proper convexity conditions, optimal control uniquely exi…

cs.CL2024

GraphInsight: Unlocking Insights in Large Language Models for Graph Structure Understanding

Yukun Cao, Shuo Han, Zengyi Gao +3

Although Large Language Models (LLMs) have demonstrated potential in processing graphs, they struggle with comprehending graphical structure information through prompts of graph de…

cs.SD2023

Improving Perceptual Quality, Intelligibility, and Acoustics on VoIP Platforms

Joseph Konan, Ojas Bhargave, Shikhar Agnihotri +12

In this paper, we present a method for fine-tuning models trained on the Deep Noise Suppression (DNS) 2020 Challenge to improve their performance on Voice over Internet Protocol (V…

cs.CL2023

TAPLoss: A Temporal Acoustic Parameter Loss for Speech Enhancement

Yunyang Zeng, Joseph Konan, Shuo Han +5

Speech enhancement models have greatly progressed in recent years, but still show limits in perceptual quality of their speech outputs. We propose an objective for perceptual quali…

math.OC2020

Gradient Methods with Dynamic Inexact Oracles

Shuo Han

We show that the primal-dual gradient method, also known as the gradient descent ascent method, for solving convex-concave minimax problems can be viewed as an inexact gradient met…

cs.CL2026

RiTeK: A Dataset for Large Language Models Complex Reasoning over Textual Knowledge Graphs in Medicine

Jiatan Huang, Mingchen Li, Zonghai Yao +8

Answering complex real-world questions in the medical domain often requires accurate retrieval from medical Textual Knowledge Graphs (medical TKGs), as the relational path informat…

cs.LG2026

Ratio-Variance Regularized Policy Optimization for Efficient LLM Fine-tuning

Yu Luo, Shuo Han, Yihan Hu +2

On-policy reinforcement learning (RL), particularly Proximal Policy Optimization (PPO) and Group Relative Policy Optimization (GRPO), has become the dominant paradigm for fine-tuni…

eess.IV2022

Masked Autoencoders for Low dose CT denoising

Dayang Wang, Yongshun Xu, Shuo Han +1

Low-dose computed tomography (LDCT) reduces the X-ray radiation but compromises image quality with more noises and artifacts. A plethora of transformer models have been developed r…

eess.IV2022

Coordinate Translator for Learning Deformable Medical Image Registration

Yihao Liu, Lianrui Zuo, Shuo Han +3

The majority of deep learning (DL) based deformable image registration methods use convolutional neural networks (CNNs) to estimate displacement fields from pairs of moving and fix…

math.OC2022

Synthesizing Attack-Aware Control and Active Sensing Strategies under Reactive Sensor Attacks

Sumukha Udupa, Abhishek N. Kulkarni, Shuo Han +3

We consider the probabilistic planning problem for a defender (P1) who can jointly query the sensors and take control actions to reach a set of goal states while being aware of pos…

cs.GT2023

Optimizing Sensor Allocation against Attackers with Uncertain Intentions: A Worst-Case Regret Minimization Approach

Haoxiang Ma, Shuo Han, Charles A. Kamhoua +1

This paper is concerned with the optimal allocation of detection resources (sensors) to mitigate multi-stage attacks, in the presence of the defender's uncertainty in the attacker'…

eess.IV2025

Towards Human-AI Collaboration System for the Detection of Invasive Ductal Carcinoma in Histopathology Images

Shuo Han, Ahmed Karam Eldaly, Solomon Sunday Oyelere

Invasive ductal carcinoma (IDC) is the most prevalent form of breast cancer, and early, accurate diagnosis is critical to improving patient survival rates by guiding treatment deci…

math.OC2023

Solving Strongly Convex and Smooth Stackelberg Games Without Modeling the Follower

Yansong Li, Shuo Han

Stackelberg games have been widely used to model interactive decision-making problems in a variety of domains such as energy systems, transportation, cybersecurity, and human-robot…

math.OC2019

Computational Convergence Analysis of Distributed Gradient Tracking for Smooth Convex Optimization Using Dissipativity Theory

Shuo Han

We present a computational analysis that establishes the convergence of the distributed gradient tracking method when the objective function is smooth and convex but not s…

cs.LG2025

Of Mice and Machines: A Comparison of Learning Between Real World Mice and RL Agents

Shuo Han, German Espinosa, Junda Huang +3

Recent advances in reinforcement learning (RL) have demonstrated impressive capabilities in complex decision-making tasks. This progress raises a natural question: how do these art…

eess.SY2024

Active Perception with Initial-State Uncertainty: A Policy Gradient Method

Chongyang Shi, Shuo Han, Michael Dorothy +1

This paper studies the synthesis of an active perception policy that maximizes the information leakage of the initial state in a stochastic system modeled as a hidden Markov model…

cs.MA2023

Optimal Decoy Resource Allocation for Proactive Defense in Probabilistic Attack Graphs

Haoxiang Ma, Shuo Han, Nandi Leslie +2

This paper investigates the problem of synthesizing proactive defense systems in which the defender can allocate deceptive targets and modify the cost of actions for the attacker w…

cs.LG2026

D2 Actor Critic: Diffusion Actor Meets Distributional Critic

Lunjun Zhang, Shuo Han, Hanrui Lyu +1

We introduce D2AC, a new model-free reinforcement learning (RL) algorithm designed to train expressive diffusion policies online effectively. At its core is a policy improvement ob…

eess.IV2023

LoMAE: Low-level Vision Masked Autoencoders for Low-dose CT Denoising

Dayang Wang, Yongshun Xu, Shuo Han +4

Low-dose computed tomography (LDCT) offers reduced X-ray radiation exposure but at the cost of compromised image quality, characterized by increased noise and artifacts. Recently,…

eess.IV2022

Deep filter bank regression for super-resolution of anisotropic MR brain images

Samuel W. Remedios, Shuo Han, Yuan Xue +4

In 2D multi-slice magnetic resonance (MR) acquisition, the through-plane signals are typically of lower resolution than the in-plane signals. While contemporary super-resolution (S…

cs.SD2024

Audio Entailment: Assessing Deductive Reasoning for Audio Understanding

Soham Deshmukh, Shuo Han, Hazim Bukhari +4

Recent literature uses language to build foundation models for audio. These Audio-Language Models (ALMs) are trained on a vast number of audio-text pairs and show remarkable perfor…

eess.AS2024

DeWinder: Single-Channel Wind Noise Reduction using Ultrasound Sensing

Kuang Yuan, Shuo Han, Swarun Kumar +1

The quality of audio recordings in outdoor environments is often degraded by the presence of wind. Mitigating the impact of wind noise on the perceptual quality of single-channel s…

eess.IV2025

ResPF: Residual Poisson Flow for Efficient and Physically Consistent Sparse-View CT Reconstruction

Changsheng Fang, Yongtong Liu, Bahareh Morovati +5

Sparse-view computed tomography (CT) is a practical solution to reduce radiation dose, but the resulting ill-posed inverse problem poses significant challenges for accurate image r…

cs.SE2026

SkillMOO: Multi-Objective Optimization of Agent Skills for Software Engineering

Jingzhi Gong, Ruizhen Gu, Zhiwei Fei +7

Agent skills are increasingly used to configure coding agents for software engineering (SE) tasks, yet current practice treats them as static, hand-crafted assets, or evolved on pa…

eess.SY2015

Optimal control in Markov decision processes via distributed optimization

Jie Fu, Shuo Han, Ufuk Topcu

Optimal control synthesis in stochastic systems with respect to quantitative temporal logic constraints can be formulated as linear programming problems. However, centralized synth…

hep-ph2023

A Holistic Approach to Predicting Top Quark Kinematic Properties with the Covariant Particle Transformer

Shikai Qiu, Shuo Han, Xiangyang Ju +2

Precise reconstruction of top quark properties is a challenging task at the Large Hadron Collider due to combinatorial backgrounds and missing information. We introduce a physics-i…

q-fin.PM2023

Optimizing Investment Strategies with Lazy Factor and Probability Weighting: A Price Portfolio Forecasting and Mean-Variance Model with Transaction Costs Approach

Shuo Han, Yinan Chen, Jiacheng Liu

Market traders often engage in the frequent transaction of volatile assets to optimize their total return. In this study, we introduce a novel investment strategy model, anchored o…

cs.SD2025

ADIFF: Explaining audio difference using natural language

Soham Deshmukh, Shuo Han, Rita Singh +1

Understanding and explaining differences between audio recordings is crucial for fields like audio forensics, quality assessment, and audio generation. This involves identifying an…

hep-ph2024

Parton Labeling without Matching: Unveiling Emergent Labelling Capabilities in Regression Models

Shikai Qiu, Shuo Han, Xiangyang Ju +2

Parton labeling methods are widely used when reconstructing collider events with top quarks or other massive particles. State-of-the-art techniques are based on machine learning an…

hep-ex2023

Generative Machine Learning for Detector Response Modeling with a Conditional Normalizing Flow

Allison Xu, Shuo Han, Xiangyang Ju +1

In this paper, we explore the potential of generative machine learning models as an alternative to the computationally expensive Monte Carlo (MC) simulations commonly used by the L…

cs.CL2026

From Scores to Steps: Diagnosing and Improving LLM Performance in Evidence-Based Medical Calculations

Benlu Wang, Iris Xia, Yifan Zhang +6

Large language models (LLMs) have demonstrated promising performance on medical benchmarks; however, their ability to perform medical calculations, a crucial aspect of clinical dec…

math.OC2022

Accelerating Model-Free Policy Optimization Using Model-Based Gradient: A Composite Optimization Perspective

Yansong Li, Shuo Han

We develop an algorithm that combines model-based and model-free methods for solving a nonlinear optimal control problem with a quadratic cost in which the system model is given by…

cs.CR2022

Synthesis of Proactive Sensor Placement In Probabilistic Attack Graphs

Lening Li, Haoxiang Ma, Shuo Han +1

This paper studies the deployment of joint moving target defense (MTD) and deception against multi-stage cyberattacks. Given the system equipped with MTD that randomizes between di…

eess.IV2022

Disentangling A Single MR Modality

Lianrui Zuo, Yihao Liu, Yuan Xue +5

Disentangling anatomical and contrast information from medical images has gained attention recently, demonstrating benefits for various image analysis tasks. Current methods learn…

eess.SP2019

Decimeter Ranging with Channel State Information

Navid Tadayon, Muhammed T. Rahman, Shuo Han +2

This paper aims at the problem of time-of-flight (ToF) estimation using channel state information (CSI) obtainable from commercialized MIMO-OFDM WLAN receivers. It was often claime…

math.OC2014

Data-Driven Allocation of Vaccines for Controlling Epidemic Outbreaks

Shuo Han, Victor M. Preciado, Cameron Nowzari +1

We propose a mathematical framework, based on conic geometric programming, to control a susceptible-infected-susceptible viral spreading process taking place in a directed contact…

cs.AI2026

PhGPO: Pheromone-Guided Policy Optimization for Long-Horizon Tool Planning

Yu Li, Guangfeng Cai, Shengtian Yang +5

Recent advancements in Large Language Model (LLM) agents have demonstrated strong capabilities in executing complex tasks through tool use. However, long-horizon multi-step tool pl…

cond-mat.mes-hall2018

X-ray total scattering study of regular and magic-size nanoclusters of cadmium sulphide

Lei Tan, Alston J Misquitta, Andrei Sapelkin +8

Four kinds of magic-size CdS clusters and two different regular CdS quantum dots have been studied by x-ray total scattering technique and pair distribution function method. Result…

cs.AI2026

See or Say Graphs: Agent-Driven Scalable Graph Structure Understanding with Vision-Language Models

Shuo Han, Yukun Cao, Zezhong Ding +3

Vision-language models (VLMs) have shown promise in graph structure understanding, but remain limited by input-token constraints, facing scalability bottlenecks and lacking effecti…

cs.CV2018

Three Dimensional Fluorescence Microscopy Image Synthesis and Segmentation

Chichen Fu, Soonam Lee, David Joon Ho +4

Advances in fluorescence microscopy enable acquisition of 3D image volumes with better image quality and deeper penetration into tissue. Segmentation is a required step to characte…

math.OC2022

Data-Driven Distributionally Robust Electric Vehicle Balancing for Autonomous Mobility-on-Demand Systems under Demand and Supply Uncertainties

Sihong He, Zhili Zhang, Shuo Han +5

Electric vehicles (EVs) are being rapidly adopted due to their economic and societal benefits. Autonomous mobility-on-demand (AMoD) systems also embrace this trend. However, the lo…

cs.CR2021

Qualitative Planning in Imperfect Information Games with Active Sensing and Reactive Sensor Attacks: Cost of Unawareness

Abhishek N. Kulkarni, Shuo Han, Nandi O. Leslie +2

We consider the probabilistic planning problem where the agent (called Player 1, or P1) can jointly plan the control actions and sensor queries in a sensor network and an attacker…

hep-ph2026

Pretrained Event Classification Model for High Energy Physics Analysis

Joshua Ho, Benjamin Ryan Roberts, Shuo Han +1

We introduce a foundation model for event classification in high-energy physics, built on a Graph Neural Network architecture and trained on 120 million simulated proton-proton col…

eess.SY2025

Active Inference through Incentive Design in Markov Decision Processes

Xinyi Wei, Chongyang Shi, Shuo Han +3

We present a method for active inference with partial observations in stochastic systems through incentive design, also known as the leader-follower game. Consider a leader agent w…

cs.CV2021

MR Slice Profile Estimation by Learning to Match Internal Patch Distributions

Shuo Han, Samuel Remedios, Aaron Carass +2

To super-resolve the through-plane direction of a multi-slice 2D magnetic resonance (MR) image, its slice selection profile can be used as the degeneration model from high resoluti…

cond-mat.supr-con2022

Pressure-induced superconductivity in flat-band Kagome compounds PdP(SSe)

Shuo Li, Shuo Han, Shaohua Yan +8

We performed high-pressure transport studies on the flat-band Kagome compounds, PdP(SSe) ( = 0, 0.25), with a diamond anvil cell. For both compounds, the…

cs.CV2026

Clinical Metadata Guided Limited-Angle CT Image Reconstruction

Yu Shi, Shuyi Fan, Changsheng Fang +6

Limited-angle computed tomography (LACT) offers improved temporal resolution and reduced radiation dose for cardiac imaging, but suffers from severe artifacts due to truncated proj…

cs.LG2026

Ratio-Variance Regularized Policy Optimization

Yu Luo, Shuo Han, Yihan Hu +5

Standard on-policy reinforcement learning relies on heuristic clipping to enforce trust regions, but this mechanism imposes a severe cost by indiscriminately truncating high-return…

cs.MA2023

Covert Planning against Imperfect Observers

Haoxiang Ma, Chongyang Shi, Shuo Han +2

Covert planning refers to a class of constrained planning problems where an agent aims to accomplish a task with minimal information leaked to a passive observer to avoid detection…

eess.IV2021

CHAOS Challenge -- Combined (CT-MR) Healthy Abdominal Organ Segmentation

A. Emre Kavur, N. Sinem Gezer, Mustafa Barış +24

Segmentation of abdominal organs has been a comprehensive, yet unresolved, research field for many years. In the last decade, intensive developments in deep learning (DL) have intr…

math.OC2015

Convex Optimal Uncertainty Quantification

Shuo Han, Molei Tao, Ufuk Topcu +2

Optimal uncertainty quantification (OUQ) is a framework for numerical extreme-case analysis of stochastic systems with imperfect knowledge of the underlying probability distributio…

cs.DB2017

Keyword Search on RDF Graphs - A Query Graph Assembly Approach

Shuo Han, Lei Zou, Jeffrey Xu Yu +1

Keyword search provides ordinary users an easy-to-use interface for querying RDF data. Given the input keywords, in this paper, we study how to assemble a query graph that is to re…

eess.IV2023

Rapid Brain Meninges Surface Reconstruction with Layer Topology Guarantee

Peiyu Duan, Yuan Xue, Shuo Han +8

The meninges, located between the skull and brain, are composed of three membrane layers: the pia, the arachnoid, and the dura. Reconstruction of these layers can aid in studying v…

eess.IV2026

Cross-Distribution Diffusion Priors-Driven Iterative Reconstruction for Sparse-View CT

Haodong Li, Shuo Han, Haiyang Mao +5

Sparse-View CT (SVCT) reconstruction enhances temporal resolution and reduces radiation dose, yet its clinical use is hindered by artifacts due to view reduction and domain shifts…

cs.MA2023

A Robust and Constrained Multi-Agent Reinforcement Learning Electric Vehicle Rebalancing Method in AMoD Systems

Sihong He, Yue Wang, Shuo Han +2

Electric vehicles (EVs) play critical roles in autonomous mobility-on-demand (AMoD) systems, but their unique charging patterns increase the model uncertainties in AMoD systems (e.…

eess.SY2023

Quantitative Planning with Action Deception in Concurrent Stochastic Games

Chongyang Shi, Shuo Han, Jie Fu

We study a class of two-player competitive concurrent stochastic games on graphs with reachability objectives. Specifically, player 1 aims to reach a subset of game states, a…

eess.IV2021

RCNN-SliceNet: A Slice and Cluster Approach for Nuclei Centroid Detection in Three-Dimensional Fluorescence Microscopy Images

Liming Wu, Shuo Han, Alain Chen +3

Robust and accurate nuclei centroid detection is important for the understanding of biological structures in fluorescence microscopy images. Existing automated nuclei localization…

cs.CR2015

Optimality of the Laplace Mechanism in Differential Privacy

Fragkiskos Koufogiannis, Shuo Han, George J. Pappas

In the highly interconnected realm of Internet of Things, exchange of sensitive information raises severe privacy concerns. The Laplace mechanism -- adding Laplace-distributed arti…

math.OC2019

Systematic Design of Decentralized Algorithms for Consensus Optimization

Shuo Han

We propose a separation principle that enables a systematic way of designing decentralized algorithms used in consensus optimization. Specifically, we show that a decentralized opt…

cs.LG2023

Transforming Graphs for Enhanced Attribute Clustering: An Innovative Graph Transformer-Based Method

Shuo Han, Jiacheng Liu, Jiayun Wu +2

Graph Representation Learning (GRL) is an influential methodology, enabling a more profound understanding of graph-structured data and aiding graph clustering, a critical task acro…

math.OC2024

Robust Reward Design for Markov Decision Processes

Shuo Wu, Haoxiang Ma, Jie Fu +1

The problem of reward design examines the interaction between a leader and a follower, where the leader aims to shape the follower's behavior to maximize the leader's payoff by mod…

cs.LG2023

Robust Multi-Agent Reinforcement Learning with State Uncertainty

Sihong He, Songyang Han, Sanbao Su +3

In real-world multi-agent reinforcement learning (MARL) applications, agents may not have perfect state information (e.g., due to inaccurate measurement or malicious attacks), whic…

cs.CR2015

Gradual Release of Sensitive Data under Differential Privacy

Fragkiskos Koufogiannis, Shuo Han, George J. Pappas

We introduce the problem of releasing sensitive data under differential privacy when the privacy level is subject to change over time. Existing work assumes that privacy level is d…

eess.SY2026

Planning Stealthy Backdoor Attacks in MDPs with Observation-Based Triggers

Xinyi Wei, Shuo Han, Ahmed H. Hemida +2

This paper investigates backdoor attack planning in stochastic control systems modeled as Markov Decision Processes (MDPs). A backdoor attack involves an adversary deploying a poli…

cs.AI2024

What is the Solution for State-Adversarial Multi-Agent Reinforcement Learning?

Songyang Han, Sanbao Su, Sihong He +4

Various methods for Multi-Agent Reinforcement Learning (MARL) have been developed with the assumption that agents' policies are based on accurate state information. However, polici…

cs.AI2026

ChatCLIDS: Simulating Persuasive AI Dialogues to Promote Closed-Loop Insulin Adoption in Type 1 Diabetes Care

Zonghai Yao, Talha Chafekar, Junda Wang +5

Real-world adoption of closed-loop insulin delivery systems (CLIDS) in type 1 diabetes remains low, driven not by technical failure, but by diverse behavioral, psychosocial, and so…

cs.CV2026

Medical thinking with multiple images

Zonghai Yao, Benlu Wang, Yifan Zhang +8

Large language models perform well on many medical QA benchmarks, but real clinical reasoning often requires integrating evidence across multiple images rather than interpreting a…

eess.IV2024

-NeRF: Leveraging Attenuation Priors in Neural Radiance Field for 3D Computed Tomography Reconstruction

Li Zhou, Changsheng Fang, Bahareh Morovati +4

This paper introduces -NeRF, a self-supervised approach that sets a new standard in novel view synthesis (NVS) and computed tomography (CT) reconstruction by modeling a continu…

cs.CV2026

ECLARE: Efficient cross-planar learning for anisotropic resolution enhancement

Samuel W. Remedios, Shuwen Wei, Shuo Han +6

In clinical imaging, magnetic resonance (MR) image volumes are often acquired as stacks of 2D slices with decreased scan times, improved signal-to-noise ratio, and image contrasts…

cs.AI2025

PRIME: Planning and Retrieval-Integrated Memory for Enhanced Reasoning

Hieu Tran, Zonghai Yao, Nguyen Luong Tran +5

Inspired by the dual-process theory of human cognition from \textit{Thinking, Fast and Slow}, we introduce \textbf{PRIME} (Planning and Retrieval-Integrated Memory for Enhanced Rea…

cs.CV2019

Three dimensional blind image deconvolution for fluorescence microscopy using generative adversarial networks

Soonam Lee, Shuo Han, Paul Salama +2

Due to image blurring image deconvolution is often used for studying biological structures in fluorescence microscopy. Fluorescence microscopy image volumes inherently suffer from…