collaborators

5 papers

cs.CL2026

Aha-Flow Distillation: Flow Markers Matter in LLM Reasoning

Xiaodong Wang, Peixi Peng

We identify the Flow Moment, a reasoning pattern characterized by sustained, process-confirming verbalizations such as I'm doing, in contrast to the revision- and backtracking-orie…

cs.MM2026

OmniHalluc-L: Counterfactual Benchmarking and Modality-Perturbation Reliability Calibration for Long-Form Omni Hallucination

Zixuan Dong, Jiafu Tang, Zhide Lei +7

Long-video Omni assistants often fail not by inventing content, but by misbinding real evidence: they hear the right utterance and see the right event, yet attach it to the wrong s…

cs.CV2026

LiViBench: An Omnimodal Benchmark for Interactive Livestream Video Understanding

Xiaodong Wang, Langling Huang, Zhirong Wu +4

The development of multimodal large language models (MLLMs) has advanced general video understanding. However, existing video evaluation benchmarks primarily focus on non-interacti…

cs.CV2025

LeanPO: Lean Preference Optimization for Likelihood Alignment in Video-LLMs

Xiaodong Wang, Jinfa Huang, Li Yuan +1

Most Video Large Language Models (Video-LLMs) adopt preference alignment techniques, e.g., DPO~\citep{rafailov2024dpo}, to optimize the reward margin between a winning response ($y…

cs.CV2025

ProphetDWM: A Driving World Model for Rolling Out Future Actions and Videos

Xiaodong Wang, Peixi Peng

Real-world driving requires people to observe the current environment, anticipate the future, and make appropriate driving decisions. This requirement is aligned well with the capa…