← Search

Xin Ma

29 accepted papers

2026

Change Point Localization and Inference in Dynamic Multilayer Networks

ICLR 2026poster

We study offline change point localization and inference in dynamic multilayer random dot product graphs (D-MRDPGs), where at each time point, a multilayer network is observed with shared node latent positions and time-varying, layer-specific connectivity patterns. We propose a novel two-stage algor…

Cited by 1SourceScholar
2026

CoRoGS: Contextual Gaussian Splatting for Robust Large-Deviation View Synthesis

CVPR 2026

Novel view synthesis (NVS) under large view deviations remains an underexplored challenge for 3D Gaussian Splatting (3DGS). In urban scenes with limited training coverage, models often fail to maintain geometric consistency when extrapolating to unseen viewpoints, resulting in severe distortions and

Cited by 0SourceScholar
2026

More Edits, More Stable: Understanding the Lifelong Normalization in Sequential Model Editing

ICML 2026poster

Lifelong Model Editing aims to continuously update evolving facts in Large Language Models while preserving unrelated knowledge and general capabilities, yet it remains plagued by catastrophic forgetting and model collapse. Empirically, we find that the few recent editors resilient over long horizon…

Cited by 0SourceScholar
2025

A Spatial Position-based Visual Servoing Obstacle-avoidable Shape Control Framework for An 11-DOF Hybrid Continuum Robot

IROS 2025

As one of the effective closed-loop control methods, visual servoing control methods are widely applied to continuum robots. However, existing visual servoing control methods mostly focus on accurate control of the robot’s end-effector, with less consideration given to the robot’s shape. In this wor

Cited by 0SourceScholar
2025

A Variable Stiffness and Transformable Entanglement Soft Robotic Gripper

ICRA 2025

For objects with complex topological and geometrical features, stochastic topological grasping can be executed without the necessity for feedback or precise planning. However, this grasping method has two significant limitations. First, the technique's effectiveness is reduced when interacting with

Cited by 0SourceScholar
2025

Bio-Inspired Soft Variable-Stiffness Prehensile Tail Enabling Versatile Grasping and Enhancing Dynamic Mobility

RA-L 2025

In nature, prehensile tails serve as versatile and essential appendages for animals, facilitating both grasping and enhanced mobility. Although existing robotic tails effectively contribute to mobility across a range of behaviors, they lack versatile object-grasping capabilities. Inspired by these b

Cited by 2SourceScholar
2025

Consistent and Controllable Image Animation with Motion Diffusion Models

CVPR 2025poster

Diffusion models have achieved significant progress in the task of image animation due to their powerful generative capabilities. However, preserving appearance consistency to the static input image, and avoiding abrupt motion change in the generated animation, remains challenging. In this paper, we…

Cited by 0SourcePDFScholar
2025

Design of a Soft Automatic Anchoring System for Enhanced Mobility and Stability in Colonoscopy Robots

IROS 2025

Ensuring both mobility and stability during colonoscopy is crucial for enhancing procedural efficiency and reducing the risk of complications. Traditional colonoscopy robots face challenges due to the fixed diameter of the colonoscope and the variability in colon anatomy. To address this, we propose

Cited by 0SourceScholar
2025

Development of Wearable Assistive Robots Using Artificial Muscle for Older Adults

IROS 2025

Age-related sarcopenia weakens balance in older adults, highlighting the need for effective assistive robots. How-ever, existing assistive technologies often suffer from mechanical, kinematic, and control incompatibilities with the human body. Here, we present a wearable assistive robotic system tha

Cited by 0SourceScholar
2025

Dual Prototype-Enhanced Contrastive Framework for Class-Imbalanced Graph Domain Adaptation

NeurIPS 2025poster

Graph transfer learning, especially in unsupervised domain adaptation, aims to transfer knowledge from a label-abundant source graph to an unlabeled target graph. However, most existing approaches overlook the common issue of label imbalance in the source domain, typically assuming a balanced label…

Cited by 0SourcecodeScholar
2025

Novel View Synthesis Under Large-Deviation Viewpoint for Autonomous Driving

AAAI 2025technical

Novel view synthesis is a critical task in autonomous driving. Although 3D Gaussian Splatting (3D-GS) has shown success in generating novel views, it faces challenges in maintaining high-quality rendering when viewpoints deviate significantly from the training set. This difficulty primarily stems fr…

Cited by 0SourcePDFScholar
2025

PALA: Class-imbalanced Graph Domain Adaptation via Prototype-anchored Learning and Alignment

IJCAI 2025

Graph domain adaptation is a key subfield of graph transfer learning that aims to bridge domain gaps by transferring knowledge from a label-rich source graph to an unlabeled target graph. However, most existing methods assume balanced labels in the source graph, which often fails in practice and lea

2024

A CT-guided Control Framework of a Robotic Flexible Endoscope for the Diagnosis of the Maxillary Sinusitis

IROS 2024

Flexible endoscopes are commonly adopted in narrow and confined anatomical cavities due to their higher reachability and dexterity. However, prolonged and unintuitive manipulation of these endoscopes leads to an increased workload on surgeons and risks of collision. To address these challenges, this

Cited by 0SourceScholar
2024

InternVid: A Large-scale Video-Text Dataset for Multimodal Understanding and Generation

ICLR 2024spotlight

This paper introduces InternVid, a large-scale video-centric multimodal dataset that enables learning powerful and transferable video-text representations for multimodal understanding and generation. InternVid contains over 7 million videos lasting nearly 760K hours, yielding 234M video clips accomp…

2024

Mesa-Extrapolation: A Weave Position Encoding Method for Enhanced Extrapolation in LLMs

NeurIPS 2024poster

Large language models (LLMs), although having revolutionized many fields, still suffer from the challenging extrapolation problem, where the inference ability of LLMs sharply declines beyond their max training lengths. In this work, we conduct a theoretical analysis to better understand why No Posit…

2024

SEINE: Short-to-Long Video Diffusion Model for Generative Transition and Prediction

ICLR 2024poster

Recently video generation has achieved substantial progress with realistic results. Nevertheless, existing AI-generated videos are usually very short clips ("shot-level'') depicting a single scene. To deliver a coherent long video ("story-level''), it is desirable to have creative transition and pre…

Cited by 129SourcePDFScholar
2024

Testing Generated Distributions in GANs to Penalize Mode Collapse

AISTATS 2024poster

Mode collapse remains the primary unresolved challenge within generative adversarial networks (GANs). In this work, we introduce an innovative approach that supplements the discriminator by additionally enforcing the similarity between the generated and real distributions. We implement a one-sample…

2022

Compressing Models With Few Samples: Mimicking Then Replacing

CVPR 2022poster

Few-sample compression aims to compress a big redundant model into a small compact one with only few samples. If we fine-tune models with these limited few samples directly, models will be vulnerable to overfit and learn almost nothing. Hence, previous methods optimize the compressed model layer-by-…

Cited by 13PDFcodeScholar
2022

Design, Teleoperation Control and Experimental Validation of a Dexterous Robotic Flexible Endoscope for Laparoscopic Surgery

IROS 2022poster

Existing robotic endoscopes for laparoscopic surgery, predominantly rigid or limited in dexterity, occupy a large motion space1, The large occupied motion space necessitates large incisions and reduces the motion space for surgeons to simultaneously operate other surgical instruments. Meanwhile, sur…

Cited by 6SourceScholar
2021

Aerodynamic Modeling of Fully-Actuated Multirotor UAVs with Nonparallel Actuators

IROS 2021poster

The beneficial aspects of fully-actuated multirotor UAVs, provided by nonparallel rotor configuration, are increasingly being recognized and utilized to great benefit in high-precision applications. Full six-degree-of-freedom force control, higher control bandwidth and improved disturbance rejection…

Cited by 6SourceScholar
2021

Learning Multimodal Contact-Rich Skills from Demonstrations Without Reward Engineering

ICRA 2021poster

Everyday contact-rich tasks, such as peeling, cleaning, and writing, demand multimodal perception for effective and precise task execution. However, these present a novel challenge to robots as they lack the ability to combine these multimodal stimuli for performing contact-rich tasks. Learning-base…

Cited by 12SourceScholar
2020

FlexiVision: Teleporting the Surgeon’s Eyes via Robotic Flexible Endoscope and Head-Mounted Display

IROS 2020poster

A flexible endoscope introduces more dexterity to the image capturing in endoscopic surgery. However, manual control or automatic control based on instrument tracking does not handle the misorientation between the endoscopic video and the surgeon. We propose an automatic flexible endoscope control m…

Cited by 21SourceScholar
2020

Inspection-on-the-fly using Hybrid Physical Interaction Control for Aerial Manipulators

IROS 2020poster

Inspection for structural properties (surface stiffness and coefficient of restitution) is crucial for understanding and performing aerial manipulations in unknown environments, with little to no prior knowledge on their state. Inspection-on-the-fly is the uncanny ability of humans to infer states d…

Cited by 25SourceScholar
2020

Visual Servo of a 6-DOF Robotic Stereo Flexible Endoscope Based on da Vincix Research Kit (dVRK) System

RA-L 2020

Endoscopes play an important role in minimally invasive surgery (MIS). Due to the advantages of less occupied motion space and enhanced safety, flexible endoscopes are drawing more and more attention. However, the structure of the flexible section makes it difficult for surgeons to manually rotate a

Cited by 25SourceScholar
2019

Autonomous Flexible Endoscope for Minimally Invasive Surgery With Enhanced Safety

RA-L 2019

Automation in robotic surgery has become an increasingly attractive topic. Although full automation remains fictional, task autonomy and conditional autonomy are highly achievable. Apart from the performance of task fulfillment, one major concern in robotic surgery is safety. In this paper, we prese

Cited by 78SourceScholar
2019

Fast and Incremental Loop Closure Detection Using Proximity Graphs

IROS 2019poster

Visual loop closure detection, which can be considered as an image retrieval task, is an important problem in SLAM (Simultaneous Localization and Mapping) systems. The frequently used bag-of-words (BoW) models can achieve high precision and moderate recall. However, the requirement for lower time co…

Cited by 51SourcecodeScholar
2019

Shared Autonomy of a Flexible Manipulator in Constrained Endoluminal Surgical Tasks

RA-L 2019

Automation in surgery is becoming more and more active in recent years. From the editorial of Science Robotics in 2017, there are six levels of autonomy and the existing tele-operation lies in level 0 (no autonomy). Although full autonomy would be fictional in the current moment, task/shared autonom

Cited by 18SourceScholar