← Search

Linlin Ou

12 accepted papers

2026

Safe Robotics Control with Directional Projection Control Barrier Functions Via Differentiable Optimization

ICRA 2026poster

Collision avoidance is essential for robotic systems. This paper presents a method for designing directional projection control barrier functions (CBFs) based on differentiable optimization for second-order robotic systems. The approach reduces high-order CBFs to first-order ones and estimates colli…

Cited by 0Scholar
2026

UP-SLAM: Adaptively Structured Gaussian SLAM with Uncertainty Prediction in Dynamic Environments

ICRA 2026poster

Recent 3D Gaussian Splatting (3DGS) techniques for visual Simultaneous Localization and Mapping (SLAM) have significantly progressed in tracking and high-fidelity mapping. However, their sequential optimization framework and sensitivity to dynamic objects limit real-time performance and robustness i…

2025

A Novel Hybrid Hysteresis Modeling Method for Multiloop-Asymmetry Hysteresis Behavior of Nonlinear Compliant Actuators

ICRA 2025

Nonlinear compliant actuators are being increasingly used in human-robot interaction scenarios due to their inherent flexibility. However, a limitation is that nonlinear hysteresis exists, which will degrade the force/torque tracking performance if the hysteresis is not modeled accurately. Moreover,

Cited by 0SourceScholar
2025

Channel Merging: Preserving Specialization for Merged Experts

AAAI 2025technical

Lately, the practice of utilizing task-specific fine-tuning has been implemented to improve the performance of large language models (LLM) in subsequent tasks. Through the integration of diverse LLMs, the overall competency of LLMs is significantly boosted. Nevertheless, traditional ensemble methods…

2025

GSORB-SLAM: Gaussian Splatting SLAM Benefits From ORB Features and Transmittance Information

RA-L 2025

The emergence of 3D Gaussian Splatting (3DGS) has recently ignited a renewed wave of research in dense visual SLAM. However, existing approaches encounter challenges, including sensitivity to artifacts and noise, suboptimal selection of training viewpoints, and the absence of global optimization. In

Cited by 4SourcecodeScholar
2025

Robust Gait Phase Estimation With Discrete Wavelet Transform for Walking Assistance on Multiple Terrains

RA-L 2025

Gait phase detection is crucial to realize personalized assistive functions of lower limb exoskeletons. A common method in gait phase estimation is the adaptive oscillator, which performs well in periodic gaits. However, these types of methods fail in gait phase estimation under aperiodic gait cycle

Cited by 2SourceScholar
2025

Towards Robust Category-level Articulation Pose Estimation via Integrated Differentiable Rendering

ICASSP 2025accepted

Accurate object pose estimation is crucial for embodied intelligence tasks such as manipulation, grasping, and human-robot interaction. However, due to the inherent characteristics of articulated objects, such as kinematic constraints and self-occlusion, pose estimation for articulated objects has r…

Cited by 1SourceScholar
2024

EfficientCAPER: An End-to-End Framework for Fast and Robust Category-Level Articulated Object Pose Estimation

NeurIPS 2024poster

Human life is populated with articulated objects. Pose estimation for category-level articulated objects is a significant challenge due to their inherent complexity and diverse kinematic structures. Current methods for this task usually meet the problems of insufficient consideration of kinematic co…

Cited by 0SourcePDFScholar
2024

Improving Neural Indoor Surface Reconstruction with Mask-Guided Adaptive Consistency Constraints

ICRA 2024poster

3D scene reconstruction from 2D images has been a long-standing task. Instead of estimating per-frame depth maps and fusing them in 3D, recent researches leverage the neural implicit surface as a global representation for 3D reconstruction. Equipped with data-driven pre-trained geometric cues, these…

Cited by 2SourceScholar
2024

LoRAPrune: Structured Pruning Meets Low-Rank Parameter-Efficient Fine-Tuning

ACL 2024findings

Large Language Models (LLMs), such as LLaMA and T5, have shown exceptional performance across various tasks through fine-tuning. Although low-rank adaption (LoRA) has emerged to cheaply fine-tune these LLMs on downstream tasks, their deployment is still hindered by the vast model scale and computati…