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Rui Lu

20 accepted papers

2025

Beyond the 80/20 Rule: High-Entropy Minority Tokens Drive Effective Reinforcement Learning for LLM Reasoning

NeurIPS 2025poster

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a powerful approach to enhancing the reasoning capabilities of Large Language Models (LLMs), yet its underlying mechanisms remain insufficiently understood. In this work, we undertake a pioneering exploration of RLVR through the no…

Cited by 0SourceScholar
2025

CA-UAP: Content-Agnostic Universal Adversarial Perturbation for Enhanced Generalization

ICASSP 2025accepted

Deep Neural Networks (DNNs) have been shown vulnerable to universal adversarial perturbation (UAP), which are imperceptible and capable of fooling the target model for most samples. Existing universal attack methods mainly focus on aggregating the gradient obtained from global image features to dire…

Cited by 0SourceScholar
2025

Does Reinforcement Learning Really Incentivize Reasoning Capacity in LLMs Beyond the Base Model?

NeurIPS 2025oral

Reinforcement Learning with Verifiable Rewards (RLVR) has recently demonstrated notable success in enhancing the reasoning performance of large language models (LLMs), particularly in mathematics and programming tasks. It is widely believed that, similar to how traditional RL helps agents to explor…

Cited by 0SourceScholar
2025

How Far Is Video Generation from World Model: A Physical Law Perspective

ICML 2025poster

Scaling video generation models is believed to be promising in building world models that adhere to fundamental physical laws. However, whether these models can discover physical laws purely from vision can be questioned. A world model learning the true law should give predictions robust to nuances…

Cited by 35SourcePDFScholar
2025

Model Surgery: Modulating LLM’s Behavior Via Simple Parameter Editing

NAACL 2025long

Large Language Models (LLMs) have demonstrated great potential as generalist assistants, showcasing powerful task understanding and problem-solving capabilities. To deploy LLMs as AI assistants, it is crucial that these models exhibit desirable behavioral traits, such as non-toxicity and resilience…

2025

T1: Advancing Language Model Reasoning through Reinforcement Learning and Inference Scaling

ICML 2025poster

Large language models (LLMs) have demonstrated remarkable capabilities in complex reasoning tasks. However, existing approaches mainly rely on imitation learning and struggle to achieve effective test-time scaling. While reinforcement learning (RL) holds promise for enabling self-exploration, recent…

2025

The Essence of Contextual Understanding in Theory of Mind: A Study on Question Answering with Story Characters

ACL 2025long

Theory-of-Mind (ToM) is a fundamental psychological capability that allows humans to understand and interpret the mental states of others. Humans infer others’ thoughts by integrating causal cues and indirect clues from broad contextual information, often derived from past interactions. In other wor…

Cited by 0SourcePDFScholar
2025

Towards Understanding Text Hallucination of Diffusion Models via Local Generation Bias

ICLR 2025poster

Score-based diffusion models have achieved incredible performance in generating realistic images, audio, and video data. While these models produce high-quality samples with impressive details, they often introduce unrealistic artifacts, such as distorted fingers or hallucinated texts with no meanin…

Cited by 0SourcePDFScholar
2025

TreeRL: LLM Reinforcement Learning with On-Policy Tree Search

ACL 2025long

Reinforcement learning (RL) with tree search has demonstrated superior performance in traditional reasoning tasks. Compared to conventional independent chain sampling strategies with outcome supervision, tree search enables better exploration of the reasoning space and provides dense, on-policy proc…

2025

VVRec: Reconstruction Attacks on DL-based Volumetric Video Upstreaming via Latent Diffusion Model with Gamma Distribution

AAAI 2025technical

With the popularity of 3D volumetric video applications, such as Autonomous Driving, Virtual Reality, and Mixed Reality, current developers have turned to deep learning for compressing volumetric video frames, i.e., point clouds for video upstreaming. The latest deep learning-based solutions offer h…

Cited by 0SourcePDFScholar
2024

AdaNAT: Exploring Adaptive Policy for Token-Based Image Generation

ECCV 2024poster

"Recent studies have demonstrated the effectiveness of token-based methods for visual content generation. As a representative work, non-autoregressive Transformers (NATs) are able to synthesize images with decent quality in a small number of steps. However, NATs usually necessitate configuring a com…

2024

AgentTuning: Enabling Generalized Agent Abilities for LLMs

ACL 2024findings

Open large language models (LLMs) with great performance in various tasks have significantly advanced the development of LLMs. However, they are far inferior to commercial models such as ChatGPT and GPT-4 when acting as agents to tackle complex tasks in the real world. These agent tasks employ LLMs…

2023

EfficientTrain: Exploring Generalized Curriculum Learning for Training Visual Backbones

ICCV 2023poster

The superior performance of modern deep networks usually comes with a costly training procedure. This paper presents a new curriculum learning approach for the efficient training of visual backbones (e.g., vision Transformers). Our work is inspired by the inherent learning dynamics of deep networks:…

Cited by 39PDFcodeScholar
2023

Understanding, Predicting and Better Resolving Q-Value Divergence in Offline-RL

NeurIPS 2023poster

The divergence of the Q-value estimation has been a prominent issue offline reinforcement learning (offline RL), where the agent has no access to real dynamics. Traditional beliefs attribute this instability to querying out-of-distribution actions when bootstrapping value targets. Though this issue…

2022

On the Integration of Self-Attention and Convolution

CVPR 2022poster

Convolution and self-attention are two powerful techniques for representation learning, and they are usually considered as two peer approaches that are distinct from each other. In this paper, we show that there exists a strong underlying relation between them, in the sense that the bulk of computat…

Cited by 517PDFcodeScholar
2022

Progressive Teacher-Student Training Framework for Music Tagging

ICASSP 2022accepted

Music tagging is the task of predicting multiple tags of a music excerpt, and plays an important role in modern music recommendation systems. To obtain superior performance, recent approaches of music tagging focus on developing sophisticated models or exploiting additional multi-modal information.…

Cited by 0SourceScholar
2022

Provable General Function Class Representation Learning in Multitask Bandits and MDP

NeurIPS 2022accept

While multitask representation learning has become a popular approach in reinforcement learning (RL) to boost the sample efficiency, the theoretical understanding of why and how it works is still limited. Most previous analytical works could only assume that the representation function is already kn…

Cited by 10SourcePDFScholar
2019

Occlusion-Shared and Feature-Separated Network for Occlusion Relationship Reasoning

ICCV 2019poster

Occlusion relationship reasoning demands closed contour to express the object, and orientation of each contour pixel to describe the order relationship between objects. Current CNN-based methods neglect two critical issues of the task: (1) simultaneous existence of the relevance and distinction for…

Cited by 33PDFcodeScholar