activity
20202026
most citedWatch-And-Help: A Challenge for Social Perception and Human-AI Collaboration

42 citations · 57 across the 25 of their papers we have counts for

collaborators

25 papers

cs.LG2026

Beyond Isolation: Unlocking Reinforcement Learning Component Synergy for Sample-Efficient Continuous Control

Qi Zhao, Guozheng Ma, Yilun Kong +9

Reinforcement learning systems are significantly more complex than other machine learning paradigms due to inherent properties, causing RL system design to jointly account for many…

cs.RO2026

GaitSpan: Growing Humanoid Locomotion from Walking to Running

Kwan-Yee Lin, Zilin Wang, Janelle J. Liu +1

A humanoid that can walk should not relearn locomotion from scratch to jog or run. Yet current approaches often obtain gait diversity by prescribing gait schedules, imitating motio…

cs.LG2026

Beyond One-Size-Fits-All: Diagnosis-Driven Online Reinforcement Learning with Offline Priors

Guozheng Ma, Lu Li, Zilin Wang +2

Online reinforcement learning (RL) agents increasingly depend on knowledge acquired offline to achieve practical efficiency. Originally studied in offline-to-online RL, this paradi…

cs.CV2026

Vision Harnessing Agent for Open Ad-hoc Segmentation

Zilin Wang, Stella X. Yu

Segmentation has become easy when the concept is known, requiring retrieval of a learned visual grounding from text. It remains hard for open ad-hoc concepts, where the grounding m…

cs.CL2026

EnvFactory: Scaling Tool-Use Agents via Executable Environments Synthesis and Robust RL

Minrui Xu, Zilin Wang, Mengyi DENG +12

Equipping LLMs with tool-use capabilities via Agentic Reinforcement Learning (Agentic RL) is bottlenecked by two challenges: the lack of scalable, robust execution environments and…

cs.LG2026

DiscoGen: Procedural Generation of Algorithm Discovery Tasks in Machine Learning

Alexander D. Goldie, Zilin Wang, Adrian Hayler +17

Automating the development of machine learning algorithms has the potential to unlock new breakthroughs. However, our ability to improve and evaluate algorithm discovery systems ha…

stat.ML2026

Smoothness Adaptivity in Constant-Depth Neural Networks: Optimal Rates via Smooth Activations

Yuhao Liu, Zilin Wang, Lei Wu +1

Smooth activation functions are ubiquitous in modern deep learning, yet their theoretical advantages over non-smooth counterparts remain poorly understood. In this work, we study b…

stat.ML2026

Optimal Learning Rate Schedules under Functional Scaling Laws: Power Decay and Warmup-Stable-Decay

Binghui Li, Zilin Wang, Fengling Chen +3

We study optimal learning rate (LR) schedules under the functional scaling law (FSL) framework (Li et al., 2025), which decomposes training dynamics into signal learning and noise…

cs.RO2026

Learning to Drive in New Cities Without Human Demonstrations

Zilin Wang, Saeed Rahmani, Daphne Cornelisse +4

While autonomous vehicles have achieved reliable performance within specific operating regions, their deployment to new cities remains costly and slow. A key bottleneck is the need…

cs.CV2026

Aligning Forest and Trees in Images & Long Captions for Visually Grounded Understanding

Byeongju Woo, Zilin Wang, Byeonghyun Pak +2

Vision-language models such as CLIP often struggle to faithfully understand long, detail-rich captions, relying on dominant scene cues while overlooking fine-grained visual evidenc…

cs.CV2025

Open Ad-hoc Categorization with Contextualized Feature Learning

Zilin Wang, Sangwoo Mo, Stella X. Yu +2

Adaptive categorization of visual scenes is essential for AI agents to handle changing tasks. Unlike fixed common categories for plants or animals, ad-hoc categories are created dy…

cs.LG2025

Rethinking the Role of Dynamic Sparse Training for Scalable Deep Reinforcement Learning

Guozheng Ma, Lu Li, Zilin Wang +4

Scaling neural networks has driven breakthrough advances in machine learning, yet this paradigm fails in deep reinforcement learning (DRL), where larger models often degrade perfor…

cs.RO2025

HyperVLA: Efficient Inference in Vision-Language-Action Models via Hypernetworks

Zheng Xiong, Kang Li, Zilin Wang +3

Built upon language and vision foundation models with strong generalization ability and trained on large-scale robotic data, Vision-Language-Action (VLA) models have recently emerg…

cs.CV2025

Free-Grained Hierarchical Visual Recognition

Seulki Park, Zilin Wang, Stella X. Yu

Hierarchical image recognition seeks to predict class labels along a semantic taxonomy, from broad categories to specific ones, typically under the tidy assumption that every train…

cs.LG2025

How Should We Meta-Learn Reinforcement Learning Algorithms?

Alexander David Goldie, Zilin Wang, Jaron Cohen +2

The process of meta-learning algorithms from data, instead of relying on manual design, is growing in popularity as a paradigm for improving the performance of machine learning sys…

cs.LG2025

Network Sparsity Unlocks the Scaling Potential of Deep Reinforcement Learning

Guozheng Ma, Lu Li, Zilin Wang +3

Effectively scaling up deep reinforcement learning models has proven notoriously difficult due to network pathologies during training, motivating various targeted interventions suc…

math.NA2025

Point Cloud Neural Operator for Parametric PDEs on Complex and Variable Geometries

Chenyu Zeng, Yanshu Zhang, Jiayi Zhou +5

Surrogate models are critical for accelerating computationally expensive simulations in science and engineering, particularly for solving parametric partial differential equations…

cs.CV2024

Dialogue Director: Bridging the Gap in Dialogue Visualization for Multimodal Storytelling

Min Zhang, Zilin Wang, Liyan Chen +2

Recent advances in AI-driven storytelling have enhanced video generation and story visualization. However, translating dialogue-centric scripts into coherent storyboards remains a…

cs.LG2024

Improving Generalization and Convergence by Enhancing Implicit Regularization

Mingze Wang, Jinbo Wang, Haotian He +6

In this work, we propose an Implicit Regularization Enhancement (IRE) framework to accelerate the discovery of flat solutions in deep learning, thereby improving generalization and…

cs.HC2023

Explore 3D Dance Generation via Reward Model from Automatically-Ranked Demonstrations

Zilin Wang, Haolin Zhuang, Lu Li +6

This paper presents an Exploratory 3D Dance generation framework, E3D2, designed to address the exploration capability deficiency in existing music-conditioned 3D dance generation…

cs.LG2023

Distance-rank Aware Sequential Reward Learning for Inverse Reinforcement Learning with Sub-optimal Demonstrations

Lu Li, Yuxin Pan, Ruobing Chen +4

Inverse reinforcement learning (IRL) aims to explicitly infer an underlying reward function based on collected expert demonstrations. Considering that obtaining expert demonstratio…

cs.LG2023★ 3 cited

Normalization Enhances Generalization in Visual Reinforcement Learning

Lu Li, Jiafei Lyu, Guozheng Ma +4

Recent advances in visual reinforcement learning (RL) have led to impressive success in handling complex tasks. However, these methods have demonstrated limited generalization capa…

cs.LG2023★ 10 cited

Learning Better with Less: Effective Augmentation for Sample-Efficient Visual Reinforcement Learning

Guozheng Ma, Linrui Zhang, Haoyu Wang +6

Data augmentation (DA) is a crucial technique for enhancing the sample efficiency of visual reinforcement learning (RL) algorithms. Notably, employing simple observation transforma…

cs.AI2020★ 42 cited

Watch-And-Help: A Challenge for Social Perception and Human-AI Collaboration

Xavier Puig, Tianmin Shu, Shuang Li +5

In this paper, we introduce Watch-And-Help (WAH), a challenge for testing social intelligence in agents. In WAH, an AI agent needs to help a human-like agent perform a complex hous…