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Changsheng Li

33 accepted papers

2026

A Transendoscopic Telerobotic System Using Heterogeneous Flexible Manipulators for Bimanual Endoscopic Submucosal Dissection

ICRA 2026poster

Endoscopic submucosal dissection (ESD) is an effective technique to resect early cancers in the gastrointestinal (GI) tract. Bimanual telerobotic manipulation is an approach to performing ESD intuitively and efficiently, which requires two robotic instruments with flexibility, stiffness, dexterity a…

Cited by 0Scholar
2026

FlowMAP: Flow Matching for Generalizable Agent Planning

ICML 2026poster

Agent planning faces dynamic heterogeneity—nonstationary observations, dynamics, and objectives with sparse, delayed rewards—which dominant methods largely ignore, leading to poor generalization under environment shifts. We propose Flow-Matching for Agent Planning (FlowMAP), which formulates plannin…

Cited by 0SourceScholar
2026

PSA-MF: Personality-Sentiment Aligned Multi-Level Fusion for Multimodal Sentiment Analysis

AAAI 2026technical

Multimodal sentiment analysis (MSA) is a research field that recognizes human sentiments by combining textual, visual, and audio modalities. The main challenge lies in integrating sentiment-related information from different modalities, which typically arises during the unimodal feature extraction p

Cited by 0SourcePDFScholar
2026

PhysGM: Large Physical Gaussian Model for Feed-Forward 4D Synthesis

CVPR 2026

Despite advances in physics-based 3D motion synthesis, current methods face key limitations: reliance on pre-reconstructed 3D Gaussian Splatting (3DGS) built from dense multi-view images with time-consuming per-scene optimization; physics integration via either inflexible, hand-specified attributes

Cited by 0SourcecodeScholar
2026

Training-free Motion Factorization for Compositional Video Generation

CVPR 2026

Compositional video generation aims to synthesize multiple instances with diverse appearance and motion. However, current approaches mainly focus on binding semantics, neglecting to understand diverse motion categories specified in prompts. In this paper, we propose a motion factorization framework

Cited by 0SourcecodeScholar
2026

Uncertainty-Constrained Trustworthiness for Graph Learning

ICML 2026poster

Graph learning has been increasingly deployed in critical and sensitive domains, raising pressing demands for trustworthiness-robustness, fairness, and beyond. However, these properties are often undermined by various perturbations, which induce distributional uncertainty and compromise the trustwor…

Cited by 0SourceScholar
2025

Development of a Novel Miniaturized Dexterous Manipulator with Variable Stiffness for NOTES

IROS 2025

Natural Orifice Transluminal Endoscopic Surgery (NOTES) holds great promise due to its ability to eliminate external incisions, reduce trauma, and accelerate recovery. However, the adoption of NOTES is hindered by the limited capabilities of existing instruments, particularly in achieving the requir

Cited by 0SourceScholar
2025

Fast Real-Time Neural Network-Based Kinematics Solving of the Cosserat Rod Model for a Parallel Continuum Surgical Manipulator

IROS 2025

The parallel continuum mechanism offers distinct advantages in the design of surgical manipulators, including enhanced stiffness, improved precision, and a simplified structure compared to traditional Tendon-driven systems. Conventional kinematic models based on constant-curvature assumptions are of

Cited by 0SourceScholar
2025

Fira: Can We Achieve Full-rank Training of LLMs Under Low-rank Constraint?

NeurIPS 2025poster

Low-rank training has emerged as a promising approach for reducing memory usage in training Large Language Models (LLMs). Previous methods either rely on decomposing weight matrices (e.g., LoRA), or seek to decompose gradient matrices (e.g., GaLore) to ensure reduced memory consumption. However, bot…

Cited by 0SourcecodeScholar
2025

NATRA: Noise-Agnostic Framework for Trajectory Prediction with Noisy Observations

ICCV 2025poster

Trajectory prediction aims to forecast an agent's future trajectories based on its historical observed trajectories, which is a critical task for various applications such as autonomous driving, robotics, and surveillance systems. Most existing trajectory prediction methods assume that the observed…

Cited by 0SourcePDFScholar
2025

RAP: Retrieval-Augmented Personalization for Multimodal Large Language Models

CVPR 2025poster

The development of large language models (LLMs) has significantly enhanced the capabilities of multimodal LLMs (MLLMs) as general assistants. However, lack of user-specific knowledge still restricts their application in human's daily life. In this paper, we introduce the **R**etrieval **A**ugmented…

2025

Towards Multi-Table Learning: A Novel Paradigm for Complementarity Quantification and Integration

NeurIPS 2025spotlight

Multi-table data integrate various entities and attributes, with potential interconnections between them. However, existing tabular learning methods often struggle to describe and leverage the underlying complementarity across distinct tables. To address this limitation, we propose the first unified…

Cited by 0SourceScholar
2025

Unified Admittance Control for Accurate Puncture and Respiration Following Based on Disturbance Observation and Model Predictive Control

RA-L 2025

Percutaneous puncture is the clinical standard for diagnosis and therapy of lung tumors. Needle placement accuracy and safety are of great significance but severely affected by respiration. In this letter, a unified admittance control method for accurate puncture and respiration following is propose

Cited by 2SourceScholar
2024

Cross-Device Collaborative Test-Time Adaptation

NeurIPS 2024poster

In this paper, we propose test-time Collaborative Lifelong Adaptation (CoLA), which is a general paradigm that can be incorporated with existing advanced TTA methods to boost the adaptation performance and efficiency in a multi-device collaborative manner. Specifically, we maintain and store a set o…

2024

Excitation Trajectory Optimization for Dynamic Parameter Identification Using Virtual Constraints in Hands-on Robotic System

ICRA 2024poster

This paper proposes a novel, more computationally efficient method for optimizing robot excitation trajectories for dynamic parameter identification, emphasizing self-collision avoidance. This addresses the system identification challenges for getting high-quality training data associated with co-ma…

Cited by 4SourceScholar
2024

FDNet: Feature Decoupling Framework for Trajectory Prediction

IROS 2024poster

Trajectory prediction plays a significant role in autonomous driving, with current challenges primarily focused on capturing complex interactions in traffic scenes. Previous methods usually directly encode non-interactive and interactive information together, and then decode them for trajectory pred…

Cited by 1SourceScholar
2024

Hierarchical Object-Aware Dual-Level Contrastive Learning for Domain Generalized Stereo Matching

NeurIPS 2024poster

Stereo matching algorithms that leverage end-to-end convolutional neural networks have recently demonstrated notable advancements in performance. However, a common issue is their susceptibility to domain shifts, hindering their ability in generalizing to diverse, unseen realistic domains. We argue t…

Cited by 0SourcePDFScholar
2024

Keypoint-based Progressive Chain-of-Thought Distillation for LLMs

ICML 2024poster

Chain-of-thought distillation is a powerful technique for transferring reasoning abilities from large language models (LLMs) to smaller student models. Previous methods typically require the student to mimic the step-by-step rationale produced by LLMs, often facing the following challenges: (i) Toke…

Cited by 2SourcePDFScholar
2024

LaKD: Length-agnostic Knowledge Distillation for Trajectory Prediction with Any Length Observations

NeurIPS 2024poster

Trajectory prediction is a crucial technology to help systems avoid traffic accidents, ensuring safe autonomous driving. Previous methods typically use a fixed-length and sufficiently long trajectory of an agent as observations to predict its future trajectory. However, in real-world scenarios, we o…

Cited by 1SourcePDFScholar
2024

On the Road to Portability: Compressing End-to-End Motion Planner for Autonomous Driving

CVPR 2024poster

End-to-end motion planning models equipped with deep neural networks have shown great potential for enabling full autonomous driving. However the oversized neural networks render them impractical for deployment on resource-constrained systems which unavoidably requires more computational time and re…

2024

Passive Gravity Compensation for Parallel Mechanism With Both Spatial Translations and Angular Orientations

RA-L 2024

Passive compensation has been proven to be effective in reducing gravitational joint loads and improving the output capability of mechanisms. Existing methods for passive compensation are not satisfactory in terms of mechanism complexity and implementation convenience, while cases with variable angu

Cited by 2SourceScholar
2023

BCDiff: Bidirectional Consistent Diffusion for Instantaneous Trajectory Prediction

NeurIPS 2023poster

The objective of pedestrian trajectory prediction is to estimate the future paths of pedestrians by leveraging historical observations, which plays a vital role in ensuring the safety of self-driving vehicles and navigation robots. Previous works usually rely on a sufficient amount of observation ti…

Cited by 28SourcePDFScholar
2023

Detecting Adversarial Data by Probing Multiple Perturbations Using Expected Perturbation Score

ICML 2023poster

Adversarial detection aims to determine whether a given sample is an adversarial one based on the discrepancy between natural and adversarial distributions. Unfortunately, estimating or comparing two data distributions is extremely difficult, especially in high-dimension spaces. Recently, the gradie…

2022

GESRsim: Gastrointestinal Endoscopic Surgical Robot Simulator

IROS 2022poster

Robot-assisted gastrointestinal endoscopic surgery (GES) as a kind of natural orifice transluminal endoscopic surgery (NOTES) is the next-generation minimally invasive surgery (MIS). Besides, rendering certain autonomy to a Gas-trointestinal Endoscopic Surgical Robot (GESR) is promising but highly c…

Cited by 7SourceScholar
2021

A Miniature Manipulator With Variable Stiffness Towards Minimally Invasive Transluminal Endoscopic Surgery

RA-L 2021

This letter presents a miniature manipulator with variable stiffness towards minimally invasive transluminal endoscopic surgery, such as the endoscopic submucosal dissection (ESD). The manipulator comprises hollow modules with holes in the sidewall, compact with a 4 mm diameter, and dexterous with s

Cited by 42SourceScholar
2021

Magnetically-Connected Modular Reconfigurable Mini-robotic System with Bilateral Isokinematic Mapping and Fast On-site Assembly towards Minimally Invasive Procedures

ICRA 2021poster

This paper presents a modular and reconfigurable mini-robotic system with 5 degrees of freedom (DoFs) towards minimally invasive surgery (MIS). The mini-robotic system consists of two modules, a 2-DoFs rotational end-effector, and a 3-DoFs positioning platform. The 2-DoFs rotational end-effector is…

Cited by 4SourceScholar
2021

Unsupervised Active Learning via Subspace Learning

AAAI 2021technical

Unsupervised active learning has been an active research topic in machine learning community, with the purpose of choosing representative samples to be labelled in an unsupervised manner. Previous works usually take the minimization of data reconstruction loss as the criterion to select representati…

Cited by 18SourcePDFScholar
2021

Virtual-Fixture Based Drilling Control for Robot-Assisted Craniotomy: Learning From Demonstration

RA-L 2021

One of the promising solutions for drilling craniotomy is robot-assisted surgery with human guidance. The present study deals with a piecewise collaborative drilling task assisted by a robot while containing aligning and drilling. It can enable surgeons to complete the operation more efficiently and

Cited by 37SourceScholar
2019

Transcend Anthropomorphic Robotic Grasping With Modular Antagonistic Mechanisms and Adhesive Soft Modulations

RA-L 2019

This letter presents a robotic hand with modular antagonistic fingers and adhesive soft modulations for general purposes with grasping and manipulation capabilities. The anthropomorphic design includes the hand-like configuration, modular antagonistic fingers, soft modulations, compliant joints, and

Cited by 14SourceScholar