collaborators

18 papers

cs.CV2026

Style over Substance: A Shortcut Audit of Emotion-Description Preference Evaluation

Jiabing Yang, Yixiang Chen, Yuan Xu +6

Preference over model-generated emotion descriptions is emerging as a standard evaluation metric for multimodal emotion understanding, exemplified by the MER2026 MER-Prefer track o…

cs.RO2026

FlowWAM: Optical Flow as a Unified Action Representation for World Action Models

Yixiang Chen, Peiyan Li, Yuan Xu +13

World Action Models (WAMs) are able to leverage pretrained video generators for both world modeling and action prediction. However, directly leveraging such video generators for co…

cs.RO2026

Improving Vision-Language-Action Model Fine-Tuning with Structured Stage and Keyframe Supervision

Yuan Xu, Yixiang Chen, Kai Wang +5

Vision-Language-Action (VLA) models have shown strong potential for generalizable robotic manipulation. During fine-tuning, however, action supervision applies equally across all t…

cs.CV2026

When Seeing Is Not Believing -- A Benchmark for Search-Grounded Video Misinformation Detection

Tao Yu, Yujia Yang, Shenghua Chai +18

Video misinformation increasingly operates at the semantic and evidential level: authentic footage may be selectively edited, temporally reordered, spliced across sources, or augme…

cs.CL2026

SimReg: Achieving Higher Performance in the Pretraining via Embedding Similarity Regularization

Yan Sun, Guoxia Wang, Jinle Zeng +6

Pretraining large language models (LLMs) with next-token prediction has led to remarkable advances, yet the context-dependent nature of token embeddings in such models results in h…

cs.SD2026

Omni-DeepSearch: A Benchmark for Audio-Driven Omni-Modal Deep Search

Tao Yu, yiming ding, Shenghua Chai +16

Current omni-modal benchmarks mainly evaluate models under settings where multiple modalities are provided simultaneously, while the ability to start from audio alone and actively…

cs.MA2026

Beyond the All-in-One Agent: Benchmarking Role-Specialized Multi-Agent Collaboration in Enterprise Workflows

Tao Yu, Hao Wang, Changyu Li +15

Large language model (LLM) agents are increasingly expected to operate in enterprise environments, where work is distributed across specialized roles, permission-controlled systems…

cs.RO2026

SpatialVAM:Spatial-Aware Multi-View Video Diffusion as a Data-Efficient Robot Policy

Peiyan Li, Yixiang Chen, Yuan Xu +13

Robotic manipulation requires understanding both the 3D spatial structure of the environment and its temporal evolution, yet most existing policies neglect one or both aspects. The…

cs.CV2026

ShotFinder: Imagination-Driven Open-Domain Video Shot Retrieval via Web Search

Tao Yu, Haopeng Jin, Hao Wang +19

In recent years, large language models (LLMs) have made rapid progress in information retrieval, yet existing research has mainly focused on text or static multimodal settings. Ope…

cs.DL2026

PaperX: A Unified Framework for Multimodal Academic Presentation Generation with Scholar DAG

Tao Yu, Minghui Zhang, Zhiqing Cui +17

Transforming scientific papers into multimodal presentation content is essential for research dissemination but remains labor intensive. Existing automated solutions typically trea…

cs.CV2026

Beyond Closed-Pool Video Retrieval: A Benchmark and Agent Framework for Real-World Video Search and Moment Localization

Tao Yu, Yujia Yang, Haopeng Jin +17

Traditional video retrieval benchmarks focus on matching precise descriptions to closed video pools, failing to reflect real-world searches characterized by fuzzy, multi-dimensiona…

cs.RO2026

BridgeV2W: Bridging Video Generation Models to Embodied World Models via Embodiment Masks

Yixiang Chen, Peiyan Li, Jiabing Yang +8

Embodied world models have emerged as a promising paradigm in robotics, most of which leverage large-scale Internet videos or pretrained video generation models to enrich visual an…

cs.AI2026

ToolWeaver: Weaving Collaborative Semantics for Scalable Tool Use in Large Language Models

Bowen Fang, Wen Ye, Yunyue Su +8

Prevalent retrieval-based tool-use pipelines struggle with a dual semantic challenge: their retrievers often employ encoders that fail to capture complex semantics, while the Large…

cs.CL2025

BrowserAgent: Building Web Agents with Human-Inspired Web Browsing Actions

Tao Yu, Zhengbo Zhang, Zhiheng Lyu +8

Efficiently solving real-world problems with LLMs increasingly hinges on their ability to interact with dynamic web environments and autonomously acquire external information. Whil…

cs.RO2025

EgoDemoGen: Egocentric Demonstration Generation for Viewpoint Generalization in Robotic Manipulation

Yuan Xu, Jiabing Yang, Xiaofeng Wang +16

Imitation learning based visuomotor policies have achieved strong performance in robotic manipulation, yet they often remain sensitive to egocentric viewpoint shifts. Unlike third-…

cs.CV2025

IKOD: Mitigating Visual Attention Degradation in Large Vision-Language Models

Jiabing Yang, Chenhang Cui, Yiyang Zhou +6

Recent advancements in Large Vision-Language Models (LVLMs) have demonstrated significant progress across multiple domains. However, these models still face the inherent challenge…

cs.CL2025

LaPA: Length-Aware Prefix and Prompt Attention Augmentation for Long-Form Controllable Text Generation

Jiabing Yang, Yixiang Chen, Zichen Wen +8

Prefix-based methods have emerged as a promising paradigm for Controllable Text Generation (CTG) due to their parameter efficiency. However, while effective in short sequences, the…

cs.RO2025

EC-Flow: Enabling Versatile Robotic Manipulation from Action-Unlabeled Videos via Embodiment-Centric Flow

Yixiang Chen, Peiyan Li, Yan Huang +3

Current language-guided robotic manipulation systems often require low-level action-labeled datasets for imitation learning. While object-centric flow prediction methods mitigate t…