← Search

Xinran Li

17 accepted papers

2026

A Consistency-Improved LiDAR-Inertial Bundle Adjustment

RA-L 2026

Simultaneous Localization and Mapping (SLAM) using 3D LiDAR has emerged as a cornerstone for autonomous navigation in robotics. While feature-based SLAM systems have achieved impressive results by leveraging edge and planar structures, they often suffer from the inconsistent estimator associated wit

Cited by 0SourceScholar
2026

Do LLMs Feel? Teaching Emotion Recognition with Prompts, Retrieval, and Curriculum Learning

AAAI 2026technical

Emotion Recognition in Conversation (ERC) is a crucial task for understanding human emotions and enabling natural human-computer interaction. Although Large Language Models (LLMs) have recently shown great potential in this field, their ability to capture the intrinsic connections between explicit a

Cited by 0SourcePDFScholar
2026

GAS: Enhancing Reward-Cost Balance of Generative Model-assisted Offline Safe RL

ICLR 2026poster

Offline Safe Reinforcement Learning (OSRL) aims to learn a policy that achieves high performance in sequential decision-making while satisfying safety constraints, using only pre-collected datasets. Recent works, inspired by the strong capabilities of Generative Models (GMs), reformulate decision-ma…

Cited by 0SourceScholar
2026

Getting Your LLMs Ready for Reinforcement Learning with Lightweight SFT

ICLR 2026poster

Reinforcement learning (RL) has emerged as a powerful post-training paradigm for large language models (LLMs), yet its effectiveness varies significantly across base models. While incorporating a pre-RL supervised fine-tuning (SFT) phase can enhance RL training, key questions remain: how long should…

Cited by 0SourcecodeScholar
2026

MAGE: Multi-scale Autoregressive Generation for Offline Reinforcement Learning

ICLR 2026poster

Generative models have gained significant traction in offline reinforcement learning (RL) due to their ability to model complex trajectory distributions. However, existing generation-based approaches still struggle with long-horizon tasks characterized by sparse rewards. Some hierarchical generation…

Cited by 0SourcecodeScholar
2026

TCDA: Thread-Constrained Discourse-Aware Modeling for Conversational Sentiment Quadruple Analysis

IJCAI 2026

Conversational Aspect-based Sentiment Quadruple Analysis (DiaASQ) needs to capture the complex interrelationships in multiple rounds of dialogues. Existing methods usually employ simple Graph Convolutional Networks (GCN), which introduce structural noise and fail to consider the temporal sequence of

Cited by 0Scholar
2026

UI-Lens: Assessing General MLLMs' Potential to Automate UI Display Quality Assurance

CVPR 2026

User Interface (UI) display defect detection poses challenges far beyond UI understanding, requiring fine-grained element boundary understanding, missing-content detection, and reasoning about sequential interface semantic consistency. However, the capabilities of multimodal large language models (M

Cited by 0SourceScholar
2025

Are Pixel-Wise Metrics Reliable for Computerized Tomography Reconstruction?

NeurIPS 2025poster

Widely adopted evaluation metrics for sparse-view CT reconstruction, such as Structural Similarity Index Measure and Peak Signal-to-Noise Ratio, prioritize pixel-wise fidelity but often fail to capture the completeness of critical anatomical structures, particularly small or thin regions that are ea…

Cited by 0SourceScholar
2025

C2IQL: Constraint-Conditioned Implicit Q-learning for Safe Offline Reinforcement Learning

ICML 2025poster

Safe offline reinforcement learning aims to develop policies that maximize cumulative rewards while satisfying safety constraints without the need for risky online interaction. However, existing methods often struggle with the out-of-distribution (OOD) problem, leading to potentially unsafe and subo…

Cited by 0SourcePDFScholar
2025

Exponential Topology-enabled Scalable Communication in Multi-agent Reinforcement Learning

ICLR 2025poster

In cooperative multi-agent reinforcement learning (MARL), well-designed communication protocols can effectively facilitate consensus among agents, thereby enhancing task performance. Moreover, in large-scale multi-agent systems commonly found in real-world applications, effective communication plays…

2025

Hierarchically-Structured Open-Vocabulary Indoor Scene Synthesis with Pre-trained Large Language Model

AAAI 2025technical

Indoor scene synthesis aims to automatically produce plausible, realistic, and diverse 3D indoor scenes, especially given arbitrary user requirements. Recently, the promising generalization ability of pre-trained large language models (LLM) assist in open-vocabulary indoor scene synthesis. However,…

Cited by 0SourcePDFScholar
2025

Learn How to Query from Unlabeled Data Streams in Federated Learning

AAAI 2025technical

Federated learning (FL) enables collaborative learning among decentralized clients while safeguarding the privacy of their local data. Existing studies on FL typically assume offline labeled data available at each client when the training starts. Nevertheless, the training data in practice often arr…

2025

Reinforcement Learning with Intrinsically Motivated Feedback Graph for Lost-sales Inventory Control

AISTATS 2025poster

Reinforcement learning (RL) has proven to be well-performed and versatile in inventory control (IC). However, further improvement of RL algorithms in the IC domain is impeded by two limitations of online experience. First, online experience is expensive to acquire in real-world applications. With th…

Cited by 0SourcecodeScholar
2025

Revisiting Multi-Agent World Modeling from a Diffusion-Inspired Perspective

NeurIPS 2025poster

World models have recently attracted growing interest in Multi-Agent Reinforcement Learning (MARL) due to their ability to improve sample efficiency for policy learning. However, accurately modeling environments in MARL is challenging due to the exponentially large joint action space and highly unce…

Cited by 0SourcecodeScholar
2025

TEM3-Learning: Time-Efficient Multimodal Multi-Task Learning for Advanced Assistive Driving

IROS 2025

Multi-task learning (MTL) can advance assistive driving by exploring inter-task correlations through shared representations. However, existing methods face two critical limitations: single-modality constraints limiting comprehensive scene understanding and inefficient architectures impeding real-tim

Cited by 3SourcecodeScholar
2024

Individual Contributions as Intrinsic Exploration Scaffolds for Multi-agent Reinforcement Learning

ICML 2024poster

In multi-agent reinforcement learning (MARL), effective exploration is critical, especially in sparse reward environments. Although introducing global intrinsic rewards can foster exploration in such settings, it often complicates credit assignment among agents. To address this difficulty, we propos…

2024

Kaleidoscope: Learnable Masks for Heterogeneous Multi-agent Reinforcement Learning

NeurIPS 2024poster

In multi-agent reinforcement learning (MARL), parameter sharing is commonly employed to enhance sample efficiency. However, the popular approach of full parameter sharing often leads to homogeneous policies among agents, potentially limiting the performance benefits that could be derived from policy…