papers

Publications (92)

cs.AI2025

Learning Temporal Abstractions via Variational Homomorphisms in Option-Induced Abstract MDPs

Chang Li, Yaren Zhang, Haoran Lv +3

Large Language Models (LLMs) have shown remarkable reasoning ability through explicit Chain-of-Thought (CoT) prompting, but generating these step-by-step textual explanations is co…

cs.CV2023

3DDesigner: Towards Photorealistic 3D Object Generation and Editing with Text-guided Diffusion Models

Gang Li, Heliang Zheng, Chaoyue Wang +3

Text-guided diffusion models have shown superior performance in image/video generation and editing. While few explorations have been performed in 3D scenarios. In this paper, we di…

math.AP2019

Second order estimates for complex Hessian equations on Hermitian manifolds

Weisong Dong, Chang Li

We derive second order estimates for -plurisubharmonic solutions of complex Hessian equations with right hand sides depending on gradients on compact Hermitian manifolds.

quant-ph2025

Analytical Modeling of Real-World Photonic Quantum Teleportation

Neil Sinclair, Samantha I. Davis, Nikolai Lauk +5

We develop analytical models for realistic photonic quantum teleportation experiments with time-bin qubits, utilizing phase space methods from quantum optics. These models yield an…

cs.CV2023

Graph Representation Learning for Infrared and Visible Image Fusion

Jing Li, Lu Bai, Bin Yang +3

Infrared and visible image fusion aims to extract complementary features to synthesize a single fused image. Many methods employ convolutional neural networks (CNNs) to extract loc…

eess.AS2026

Exploring Efficient Waveform Diffusion Models for Foley Sound Generation

Runwu Shi, Chang Li, Jiahui Li +7

Recent advances in diffusion models have enabled high-fidelity Foley sound generation directly in the waveform space. Existing waveform diffusion models primarily rely on time-doma…

cs.LG2018

Probabilistic Feature Selection and Classification Vector Machine

Bingbing Jiang, Chang Li, Maarten de Rijke +2

Sparse Bayesian learning is a state-of-the-art supervised learning algorithm that can choose a subset of relevant samples from the input data and make reliable probabilistic predic…

cs.CR2025

FLSSM: A Federated Learning Storage Security Model with Homomorphic Encryption

Yang Li, Chunhe Xia, Chang Li +2

Federated learning based on homomorphic encryption has received widespread attention due to its high security and enhanced protection of user data privacy. However, the characteris…

cs.CV2024

MRIo3DS-Net: A Mutually Reinforcing Images to 3D Surface RNN-like framework for model-adaptation indoor 3D reconstruction

Chang Li, Jiao Guo, Yufei Zhao +1

This paper is the first to propose an end-to-end framework of mutually reinforcing images to 3D surface recurrent neural network-like for model-adaptation indoor 3D reconstruction,…

cond-mat.mtrl-sci2026

Agentic LLM Reasoning in a Self-Driving Laboratory for Air-Sensitive Lithium Halide Spinel Conductors

Yuxing Fei, Bernardus Rendy, Xiaochen Yang +7

Self-driving laboratories promise to accelerate materials discovery. Yet current automated solid-state synthesis platforms are limited to ambient conditions, thereby precluding the…

math.DG2026

The character of ideal circle patterns

Chang Li, Aijin Lin, Liangming Shen

Let be an oriented closed surface with a cellular decomposition and a weight . It is crucial to determine when supports an ideal -t…

eess.SP2024

RespDiff: An End-to-End Multi-scale RNN Diffusion Model for Respiratory Waveform Estimation from PPG Signals

Yuyang Miao, Zehua Chen, Chang Li +1

Respiratory rate (RR) is a critical health indicator often monitored under inconvenient scenarios, limiting its practicality for continuous monitoring. Photoplethysmography (PPG) s…

cs.CL2025

Trace Is In Sentences: Unbiased Lightweight ChatGPT-Generated Text Detector

Mo Mu, Dianqiao Lei, Chang Li

The widespread adoption of ChatGPT has raised concerns about its misuse, highlighting the need for robust detection of AI-generated text. Current word-level detectors are vulnerabl…

cs.LG2019

BubbleRank: Safe Online Learning to Re-Rank via Implicit Click Feedback

Chang Li, Branislav Kveton, Tor Lattimore +4

In this paper, we study the problem of safe online learning to re-rank, where user feedback is used to improve the quality of displayed lists. Learning to rank has traditionally be…

physics.optics2024

Experimental Demonstration of Controllable PT and anti-PT Coupling in a non-Hermitian Metamaterial

Chang Li, Ruisheng Yang, Xinchao Huang +3

Non-Hermiticity has recently emerged as a rapidly developing field due to its exotic characteristics related to open systems, where the dissipation plays a critical role. In the pr…

cs.CV2021

Human Action Recognition Based on Multi-scale Feature Maps from Depth Video Sequences

Chang Li, Qian Huang, Xing Li +1

Human action recognition is an active research area in computer vision. Although great process has been made, previous methods mostly recognize actions based on depth data at only…

eess.IV2024

DBF-Net: A Dual-Branch Network with Feature Fusion for Ultrasound Image Segmentation

Guoping Xu, Ximing Wu, Wentao Liao +3

Accurately segmenting lesions in ultrasound images is challenging due to the difficulty in distinguishing boundaries between lesions and surrounding tissues. While deep learning ha…

cs.IR2019

Online Learning to Rank with List-level Feedback for Image Filtering

Chang Li, Artem Grotov, Ilya Markov +1

Online learning to rank (OLTR) via implicit feedback has been extensively studied for document retrieval in cases where the feedback is available at the level of individual items.…

cs.LG2025

Exploiting the Prior of Generative Time Series Imputation

YuYang Miao, Chang Li, Zehua Chen

Time series imputation, i.e., filling the missing values of a time recording, finds various applications in electricity, finance, and weather modelling. Previous methods have intro…

cs.CV2025

UDHF2-Net: Uncertainty-diffusion-model-based High-Frequency TransFormer Network for Remotely Sensed Imagery Interpretation

Pengfei Zhang, Chang Li, Yongjun Zhang +3

Remotely sensed imagery interpretation (RSII) faces the three major problems: (1) objective representation of spatial distribution patterns; (2) edge uncertainty problem caused by…

cs.RO2025

An Atomic Skill Library Construction Method for Data-Efficient Embodied Manipulation

Dongjiang Li, Bo Peng, Chang Li +13

Embodied manipulation is a fundamental ability in the realm of embodied artificial intelligence. Although current embodied manipulation models show certain generalizations in speci…

cs.RO2021

Elastic Tactile Simulation Towards Tactile-Visual Perception

Yikai Wang, Wenbing Huang, Bin Fang +2

Tactile sensing plays an important role in robotic perception and manipulation tasks. To overcome the real-world limitations of data collection, simulating tactile response in a vi…

math.OC2021

A Finite Horizon Optimal Stochastic Impulse Control Problem with A Decision Lag

Chang Li, Jiongmin Yong

This paper studies an optimal stochastic impulse control problem in a finite horizon with a decision lag, by which we mean that after an impulse is made, a fixed number units of ti…

cs.LG2020

Cascading Hybrid Bandits: Online Learning to Rank for Relevance and Diversity

Chang Li, Haoyun Feng, Maarten de Rijke

Relevance ranking and result diversification are two core areas in modern recommender systems. Relevance ranking aims at building a ranked list sorted in decreasing order of item r…

cs.IT2016

Success Probability and Area Spectral Efficiency in Multiuser MIMO HetNets

Chang Li, Jun Zhang, Jeffrey G. Andrews +1

We derive a general and closed-form result for the success probability in downlink multiple-antenna (MIMO) heterogeneous cellular networks (HetNets), utilizing a novel Toeplitz mat…

cs.SD2025

Latent Swap Joint Diffusion for 2D Long-Form Latent Generation

Yusheng Dai, Chenxi Wang, Chang Li +7

This paper introduces Swap Forward (SaFa), a modality-agnostic and efficient method to generate seamless and coherence long spectrum and panorama through latent swap joint diffusio…

cs.SD2026

Stage-adaptive audio diffusion modeling

Xuanhao Zhang, Chang Li

Recent progress in diffusion-based audio generation and restoration has substantially improved performance across heterogeneous conditioning regimes, including text-conditioned aud…

cs.SD2025

Quality-aware Masked Diffusion Transformer for Enhanced Music Generation

Chang Li, Ruoyu Wang, Lijuan Liu +7

Text-to-music (TTM) generation, which converts textual descriptions into audio, opens up innovative avenues for multimedia creation. Achieving high quality and diversity in this pr…

cs.CV2023

An Intelligent Remote Sensing Image Quality Inspection System

Yijiong Yu, Tao Wang, Kang Ran +2

Due to the inevitable presence of quality problems, quality inspection of remote sensing images is indeed an indispensable step between the acquisition and the application of them.…

cs.NE2023

An Improved Artificial Fish Swarm Algorithm for Solving the Problem of Investigation Path Planning

Qian Huang, Weiwen Qian, Chang Li +1

Informationization is a prevailing trend in today's world. The increasing demand for information in decision-making processes poses significant challenges for investigation activit…

physics.geo-ph2022

Positional uncertainty and quality assurance of digital elevation change detection (DECD)

Chang Li, Qi Meng, Dong Wei +2

Studies on rapid change detection of large area urgently need to be extended from 2D image to digital elevation model (DEM) due to the challenge of changes caused by disasters. Thi…

cs.SD2025

FreeAudio: Training-Free Timing Planning for Controllable Long-Form Text-to-Audio Generation

Yuxuan Jiang, Zehua Chen, Zeqian Ju +3

Text-to-audio (T2A) generation has achieved promising results with the recent advances in generative models. However, because of the limited quality and quantity of temporally-alig…

math.GT2025

Infinite combinatorial Ricci flow in spherical background geometry

Chang Li, Yangxiang Lu, Hao Yu

Since the fundamental work of Chow-Luo \cite{CL03}, Ge \cite{Ge12,Ge17} et al., the combinatorial curvature flow methods became a basic technique in the study of circle pattern the…

cond-mat.mtrl-sci2025

Tailoring composite skyrmionic spin textures in an above-room-temperature ferromagnet Fe3-xGaTe2

Songyang Li, Jianfeng Guo, Zizhao Gong +12

Realizing room-temperature tunable skyrmionic objects in van der Waals ferromagnet offers unparalleled prospects for future spintronics. Here, we report an experimental investigati…

cs.IT2017

A Tractable Framework for Performance Analysis of Dense Multi-Antenna Networks

Xianghao Yu, Chang Li, Jun Zhang +1

Densifying the network and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, due to the complicated distribut…

cond-mat.mtrl-sci2026

NaCl-Assisted Growth of Ferroelectric SnSe Nanosheets with Spin Glass-like Behavior

Huiwen Xu, Hanxiang Wu, Chang Li +1

Two-dimensional (2D) SnSe is an emerging 2D material exhibiting intriguing properties such as ferroelectricity and nonlinear optical response. Here, high-quality single-crystalline…

cs.SD2025

Audio Super-Resolution with Latent Bridge Models

Chang Li, Zehua Chen, Liyuan Wang +1

Audio super-resolution (SR), i.e., upsampling the low-resolution (LR) waveform to the high-resolution (HR) version, has recently been explored with diffusion and bridge models, whi…

cs.LG2023

OmniForce: On Human-Centered, Large Model Empowered and Cloud-Edge Collaborative AutoML System

Chao Xue, Wei Liu, Shuai Xie +25

Automated machine learning (AutoML) seeks to build ML models with minimal human effort. While considerable research has been conducted in the area of AutoML in general, aiming to t…

cs.CL2026

JoyAI-LLM Flash: Advancing Mid-Scale LLMs with Token Efficiency

Aichen Cai, Anmeng Zhang, Anyu Li +66

We introduce JoyAI-LLM Flash, an efficient Mixture-of-Experts (MoE) language model designed to redefine the trade-off between strong performance and token efficiency in the sub-50B…

cs.CV2024

ISWSST: Index-space-wave State Superposition Transformers for Multispectral Remotely Sensed Imagery Semantic Segmentation

Chang Li, Pengfei Zhang, Yu Wang

Currently the semantic segmentation task of multispectral remotely sensed imagery (MSRSI) faces the following problems: 1) Usually, only single domain feature (i.e., space domain o…

cs.CV2023

FM-OV3D: Foundation Model-based Cross-modal Knowledge Blending for Open-Vocabulary 3D Detection

Dongmei Zhang, Chang Li, Ray Zhang +4

The superior performances of pre-trained foundation models in various visual tasks underscore their potential to enhance the 2D models' open-vocabulary ability. Existing methods ex…

cs.AI2026

Resolving the bias-precision paradox with stochastic causal representation learning for personalized medicine

Peisong Zhang, Manqiang Peng, Yuxuan Wu +21

Estimating individualized treatment effects from longitudinal observational data is central to data-driven medicine, yet existing methods face a fundamental limitation: reducing co…

cs.CV2024

Dual-modal Prior Semantic Guided Infrared and Visible Image Fusion for Intelligent Transportation System

Jing Li, Lu Bai, Bin Yang +4

Infrared and visible image fusion (IVF) plays an important role in intelligent transportation system (ITS). The early works predominantly focus on boosting the visual appeal of the…

cs.NE2025

Dynamic Weight Adaptation in Spiking Neural Networks Inspired by Biological Homeostasis

Yunduo Zhou, Bo Dong, Chang Li +4

Homeostatic mechanisms play a crucial role in maintaining optimal functionality within the neural circuits of the brain. By regulating physiological and biochemical processes, thes…

cs.LG2023

Graph Pooling for Graph Neural Networks: Progress, Challenges, and Opportunities

Chuang Liu, Yibing Zhan, Jia Wu +5

Graph neural networks have emerged as a leading architecture for many graph-level tasks, such as graph classification and graph generation. As an essential component of the archite…

cs.LG2019

Cascading Non-Stationary Bandits: Online Learning to Rank in the Non-Stationary Cascade Model

Chang Li, Maarten de Rijke

Non-stationarity appears in many online applications such as web search and advertising. In this paper, we study the online learning to rank problem in a non-stationary environment…

cs.SD2026

AudioMoG: Guiding Audio Generation with Mixture-of-Guidance

Junyou Wang, Zehua Chen, Binjie Yuan +4

The design of diffusion-based audio generation systems has been investigated from diverse perspectives, such as data space, network architecture, and conditioning techniques, while…

cond-mat.mtrl-sci2025

Unveiling the delicate "hidden" interface conditions in WS2 flakes by advanced atomic force microscopy

Yanyan Geng, Chang Li, Shuo Mi +15

The delicate interfacial conditions and behaviors play critical roles in determining the valuable physical properties of two-dimensional materials and their heterostructures on sub…

math.DG2021

An application of a -estimate for a complex Monge-Ampère equation

Chang Li, Lei Ni, Xiaohua Zhu

By studying a complex Monge-Ampère equation, we present an alternate proof to a recent result of Chu-Lee-Tam concerning the projectivity of a compact Kähler manifold with $…

quant-ph2019

High dimensional entanglement between a photon and a multiplexed atomic quantum memory

Chang Li, Yukai Wu, Wei Chang +4

Multiplexed quantum memories and high-dimensional entanglement can improve the performance of quantum repeaters by promoting the entanglement generation rate and the quantum commun…

quant-ph2024

Compact optical waveform generator with digital feedback

Shuzhe Yang, Guido Masella, Vase Moeini +4

A key requirement for quantum technologies based on atoms, ions, and molecules, is the ability to realize precise phase- and amplitude-controlled quantum operations via coherent la…

math.DG2024

Rigidity of eigenvalues of shrinking Ricci solitons

Chang Li, Huaiyu Zhang, Xi Zhang

In this paper, we study the rigidity of eigenvalues of shring Ricci solitons. It is known that the drifted Laplacian on shrinking Ricci solitons has discrete spectrum, its eigenval…

cs.CV2025

A Novel Downsampling Strategy Based on Information Complementarity for Medical Image Segmentation

Wenbo Yue, Chang Li, Guoping Xu

In convolutional neural networks (CNNs), downsampling operations are crucial to model performance. Although traditional downsampling methods (such as maximum pooling and cross-row…

cs.LG2023

BRFL: A Blockchain-based Byzantine-Robust Federated Learning Model

Yang Li, Chunhe Xia, Chang Li +1

With the increasing importance of machine learning, the privacy and security of training data have become critical. Federated learning, which stores data in distributed nodes and s…

cs.CV2023

DD-GCN: Directed Diffusion Graph Convolutional Network for Skeleton-based Human Action Recognition

Chang Li, Qian Huang, Yingchi Mao

Graph Convolutional Networks (GCNs) have been widely used in skeleton-based human action recognition. In GCN-based methods, the spatio-temporal graph is fundamental for capturing m…

eess.SP2021

Toward Open-World Electroencephalogram Decoding Via Deep Learning: A Comprehensive Survey

Xun Chen, Chang Li, Aiping Liu +3

Electroencephalogram (EEG) decoding aims to identify the perceptual, semantic, and cognitive content of neural processing based on non-invasively measured brain activity. Tradition…

quant-ph2021

Multicell Atomic Quantum Memory as a Hardware-Efficient Quantum Repeater Node

Chang Li, Sheng Zhang, Yukai Wu +3

For scalable quantum communication and networks, a key step is to realize a quantum repeater node that can efficiently connect different segments of atom-photon entanglement using…

math.ST2026

Stabilized Higher-Order Influence Functions: Statistical Theory of a Class of Bilinear Forms

Na Liu, Chang Li, Yujia Gu +1

Higher-order influence functions, introduced in a series of articles (Robins et al., 2008, 2009a; van der Vaart, 2014; Robins et al., 2016, 2023; Liu et al., 2017), are a unified f…

cs.LG2026

Fibration Policy Optimization

Chang Li, Tshihao Tsu, Yaren Zhang +2

Large language models are increasingly trained as heterogeneous systems spanning multiple domains, expert partitions, and agentic pipelines, yet prevalent proximal objectives opera…

math.ST2023

New -consistent, numerically stable higher-order influence function estimators

Lin Liu, Chang Li

Higher-Order Influence Functions (HOIFs) provide a unified theory for constructing rate-optimal estimators for a large class of low-dimensional (smooth) statistical functionals/par…

cs.CV2026

Zero-Shot Polygon Matching with Pre-trained Models for Pose Estimation and Polygon Cloud from Challenging Stereo

Chang Li, Xingtao Peng

While stereo matching has achieved maturity for 0D point and 1D line primitives, establishing correspondences for 2D polygons remains largely unexplored due to challenges including…

eess.IV2020

PulseGAN: Learning to generate realistic pulse waveforms in remote photoplethysmography

Rencheng Song, Huan Chen, Juan Cheng +3

Remote photoplethysmography (rPPG) is a non-contact technique for measuring cardiac signals from facial videos. High-quality rPPG pulse signals are urgently demanded in many fields…

cond-mat.mtrl-sci2026

Intertwined atomic-nanoscale-microscale structures via intralayer anisotropic Fe-chains in the layered ferromagnet FePd2Te2

Manyu Wang, Chang Li, Bingxian Shi +12

Controlling mesoscale and nanoscale material structures and properties through self-organized atomic behavior is essential for atomic-scale manufacturing. However, direct and visua…

cs.SD2025

Prompt-aware classifier free guidance for diffusion models

Xuanhao Zhang, Chang Li

Diffusion models have achieved remarkable progress in image and audio generation, largely due to Classifier-Free Guidance. However, the choice of guidance scale remains underexplor…

eess.AS2025

Unsupervised Single-Channel Audio Separation with Diffusion Source Priors

Runwu Shi, Chang Li, Jiang Wang +5

Single-channel audio separation aims to separate individual sources from a single-channel mixture. Most existing methods rely on supervised learning with synthetically generated pa…

cs.CV2024

ΩSFormer: Dual-Modal Ω-like Super-Resolution Transformer Network for Cross-scale and High-accuracy Terraced Field Vectorization Extraction

Chang Li, Yu Wang, Ce Zhang +1

Terraced field is a significant engineering practice for soil and water conservation (SWC). Terraced field extraction from remotely sensed imagery is the foundation for monitoring…

cs.SE2026

The Evolution of Tool Use in LLM Agents: From Single-Tool Call to Multi-Tool Orchestration

Haoyuan Xu, Chang Li, Xinyan Ma +12

Tool use enables large language models (LLMs) to access external information, invoke software systems, and act in digital environments beyond what can be solved from model paramete…

quant-ph2022

Experimental demonstration of memory-enhanced scaling for entanglement connection of quantum repeater segments

Yunfei Pu, Sheng Zhang, Yukai Wu +4

The quantum repeater protocol is a promising approach to implement long-distance quantum communication and large-scale quantum networks. A key idea of the quantum repeater protocol…

quant-ph2019

Quantum Communication between Multiplexed Atomic Quantum Memories

Chang Li, Nan Jiang, Yukai Wu +4

The use of multiplexed atomic quantum memories (MAQM) can significantly enhance the efficiency to establish entanglement in a quantum network. In the previous experiments, individu…

cs.AI2026

The Auton Agentic AI Framework

Sheng Cao, Zhao Chang, Chang Li +3

The field of Artificial Intelligence is undergoing a transition from Generative AI -- probabilistic generation of text and images -- to Agentic AI, in which autonomous systems exec…

quant-ph2025

Entanglement swapping systems toward a quantum internet

Samantha I. Davis, Raju Valivarthi, Andrew Cameron +14

We demonstrate conditional entanglement swapping, i.e. teleportation of entanglement, between time-bin qubits at the telecommunication wavelength of 1536.4 nm with high fidelity of…

cs.CL2025

Beyond Token Length: Step Pruner for Efficient and Accurate Reasoning in Large Language Models

Canhui Wu, Qiong Cao, Chang Li +5

Large Reasoning Models (LRMs) demonstrate strong performance on complex tasks but often suffer from excessive verbosity, known as "overthinking." Existing solutions via reinforceme…

cs.IR2021

Optimizing Ranking Systems Online as Bandits

Chang Li

Ranking system is the core part of modern retrieval and recommender systems, where the goal is to rank candidate items given user contexts. Optimizing ranking systems online means…

stat.AP2026

Green Haven or Risky Venture? Exploring the Connectedness and Hedging of Sustainable Cryptocurrencies and Green Financial Markets

Chang Li, Rui Jiang, Hao Wu +1

Conventional cryptocurrency often leads to increased energy consumption and carbon emissions, while sustainable cryptocurrencies possess the potential to become a green alternative…

cs.IR2020

MergeDTS: A Method for Effective Large-Scale Online Ranker Evaluation

Chang Li, Ilya Markov, Maarten de Rijke +1

Online ranker evaluation is one of the key challenges in information retrieval. While the preferences of rankers can be inferred by interleaving methods, the problem of how to effe…

cs.IT2018

A Unified Framework for the Tractable Analysis of Multi-Antenna Wireless Networks

Xianghao Yu, Chang Li, Jun Zhang +2

Densifying networks and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, the complicated distributions of th…

cs.CV2022

Coverage Optimization of Camera Network for Continuous Deformable Object

Chang Li, Xi Chen, Li Chai

In this paper, a deformable object is considered for cameras deployment with the aim of visual coverage. The object contour is discretized into sampled points as meshes, and the de…

cs.IT2014

User-Centric Intercell Interference Nulling for Downlink Small Cell Networks

Chang Li, Jun Zhang, Martin Haenggi +1

Small cell networks are regarded as a promising candidate to meet the exponential growth of mobile data traffic in cellular networks. With a dense deployment of access points, spat…

cs.SD2026

PACE: Pretrained Audio Continual Learning

Chang Li, Kanglei Zhou, Liyuan Wang

Audio is a fundamental modality for analyzing speech, music, and environmental sounds. Although pretrained audio models have significantly advanced audio understanding, they remain…

cs.LG2018

Incremental Sparse Bayesian Ordinal Regression

Chang Li, Maarten de Rijke

Ordinal Regression (OR) aims to model the ordering information between different data categories, which is a crucial topic in multi-label learning. An important class of approaches…

cs.SD2025

Bridge-SR: Schrödinger Bridge for Efficient SR

Chang Li, Zehua Chen, Fan Bao +1

Speech super-resolution (SR), which generates a waveform at a higher sampling rate from its low-resolution version, is a long-standing critical task in speech restoration. Previous…

math.AP2020

Scalar V-soliton equation and Kähler-Ricci flow on symplectic quotients

Chang Li

In this paper, we consider the -soliton equation which is a degenerate fully nonlinear equation introduced by La Nave and Tian in their work on Kähler-Ricci flow on symplectic…

quant-ph2022

Quantum-Memory-Enhanced Preparation of Nonlocal Graph States

Sheng Zhang, Yu-Kai Wu, Chang Li +3

Graph states are an important class of multipartite entangled states. Previous experimental generation of graph states and in particular the Greenberger-Horne-Zeilinger (GHZ) state…

eess.AS2025

Unsupervised Single-Channel Speech Separation with Diffusion under Speaker-Embedding Guidance

Runwu Shi, Kai Li, Chang Li +5

Speech separation is a fundamental task in audio processing, typically addressed with fully supervised systems trained on paired mixtures. While effective, such systems typically r…

quant-ph2025

Spin Grouping in Ring Cavity and its Protection on Entangled States Transfer

Chang Li

Long-range interactions are essential for large-scale quantum computation and quantum interconnections. Cavities provide a promising avenue to achieve long-range interaction by enh…

cs.CV2026

BriMA: Bridged Modality Adaptation for Multi-Modal Continual Action Quality Assessment

Kanglei Zhou, Chang Li, Qingyi Pan +1

Action Quality Assessment (AQA) aims to score how well an action is performed and is widely used in sports analysis, rehabilitation assessment, and human skill evaluation. Multi-mo…

cs.CV2025

Towards Powerful and Practical Patch Attacks for 2D Object Detection in Autonomous Driving

Yuxin Cao, Yedi Zhang, Wentao He +5

Learning-based autonomous driving systems remain critically vulnerable to adversarial patches, posing serious safety and security risks in their real-world deployment. Black-box at…

cs.IR2021

Federated Unbiased Learning to Rank

Chang Li, Hua Ouyang

Unbiased Learning to Rank (ULTR) studies the problem of learning a ranking function based on biased user interactions. In this framework, ULTR algorithms have to rely on a large am…

cs.HC2020

Intrinsic motivation in virtual assistant interaction for fostering spontaneous interactions

Chang Li, Hideyoshi Yanagisawa

With the growing utility of today's conversational virtual assistants, the importance of user motivation in human-AI interaction is becoming more obvious. However, previous studies…

cs.CL2025

AI Meets Brain: Memory Systems from Cognitive Neuroscience to Autonomous Agents

Jiafeng Liang, Hao Li, Chang Li +12

Memory serves as the pivotal nexus bridging past and future, providing both humans and AI systems with invaluable concepts and experience to navigate complex tasks. Recent research…

cond-mat.mtrl-sci2025

Realization of polytype heterostructures via delicate structural transitions from a doped-Mott insulator

Yanyan Geng, Manyu Wang, Shumin Meng +9

Transition metal dichalcogenides (TMDs) host multiple competing structural and electronic phases, making them an ideal platform for constructing polytype heterostructures with emer…

eess.SP2022

SOM-Net: Unrolling the Subspace-based Optimization for Solving Full-wave Inverse Scattering Problems

Yu Liu, Hao Zhao, Rencheng Song +3

In this paper, an unrolling algorithm of the iterative subspace-based optimization method (SOM) is proposed for solving full-wave inverse scattering problems (ISPs). The unrolling…