activity
20222026
collaborators

14 papers

cs.AI2026

: Twin-Critic Training for Token-Level Thoughts in Reinforcement Mid-Training

Nan Qiao, Yebin Yang, Weinong Wang +10

Reinforcement mid-training lets language models learn internal thoughts from unlabeled text, but efficient token-level credit assignment remains challenging. Existing group-relativ…

cs.CV2026

WanPE: Towards Cinematic Prompt Enhancement for Modern Text-to-Video Generation

Yubo Zhu, Yawen Shao, Ziyun Dai +27

Video generation begins in text space by authoring a cinematic screenplay, then materializes into pixels. As contemporary video generators scale to 30 seconds and faithfully follow…

cs.CV2026

VIVAS: Vitalizing Visual Perception in VLM Pre-training via Vision-language Unified Autoregressive Supervision

Zhehan Kan, Yubo Zhu, Xinghua Jiang +10

While Vision-Language Models (VLMs) demonstrate strong capabilities, they continue to suffer from a critical limitation: insufficient fine-grained visual perception, which fundamen…

cs.CV2026

UVU: Improving Multimodal Understanding via Vision-Language Unified Autoregressive Paradigm

Zhehan Kan, Xinghua Jiang, Yubo Zhu +10

Despite remarkable advancements in multimodal large language models (MLLMs), their fine-grained visual understanding is constrained by a primary reliance on sparse textual supervis…

cs.CV2026

When Does Visual Generation Help Visual Understanding in Unified Multimodal Models?

Yubo Zhu, Zhehan Kan, Jingyi Yang +6

Unified multimodal models (UMMs) can perform both understanding and generation, raising a central question: can visual generation improve understanding? Existing evaluations provid…

cs.GR2026

MoZoo:Unleashing Video Diffusion power in animal fur and muscle simulation

Dongxia Liu, Jie Ma, Xiaochen Yang +7

The creation of cinematic-quality animal effects necessitates the precise modeling of muscle and fur dynamics, a process that remains both labor-intensive and computationally expen…

cs.CV2026

ActFER: Agentic Facial Expression Recognition via Active Tool-Augmented Visual Reasoning

Shifeng Liu, Zhengye Zhang, Sirui Zhao +7

Recent advances in Multimodal Large Language Models (MLLMs) have created new opportunities for facial expression recognition (FER), moving it beyond pure label prediction toward re…

cs.CV2026

Youtu-VL: Unleashing Visual Potential via Unified Vision-Language Supervision

Zhixiang Wei, Yi Li, Zhehan Kan +38

Despite the significant advancements represented by Vision-Language Models (VLMs), current architectures often exhibit limitations in retaining fine-grained visual information, lea…

cs.CV2025

TACO: Think-Answer Consistency for Optimized Long-Chain Reasoning and Efficient Data Learning via Reinforcement Learning in LVLMs

Zhehan Kan, Yanlin Liu, Kun Yin +8

DeepSeek R1 has significantly advanced complex reasoning for large language models (LLMs). While recent methods have attempted to replicate R1's reasoning capabilities in multimoda…

cs.CV2025

Self-Correcting Decoding with Generative Feedback for Mitigating Hallucinations in Large Vision-Language Models

Ce Zhang, Zifu Wan, Zhehan Kan +7

While recent Large Vision-Language Models (LVLMs) have shown remarkable performance in multi-modal tasks, they are prone to generating hallucinatory text responses that do not alig…

cs.CV2024

CATCH: Complementary Adaptive Token-level Contrastive Decoding to Mitigate Hallucinations in LVLMs

Zhehan Kan, Ce Zhang, Zihan Liao +7

Large Vision-Language Model (LVLM) systems have demonstrated impressive vision-language reasoning capabilities but suffer from pervasive and severe hallucination issues, posing sig…

cs.CV2024

Learning Visual Conditioning Tokens to Correct Domain Shift for Fully Test-time Adaptation

Yushun Tang, Shuoshuo Chen, Zhehan Kan +3

Fully test-time adaptation aims to adapt the network model based on sequential analysis of input samples during the inference stage to address the cross-domain performance degradat…

cs.CV2023

Self-Correctable and Adaptable Inference for Generalizable Human Pose Estimation

Zhehan Kan, Shuoshuo Chen, Ce Zhang +2

A central challenge in human pose estimation, as well as in many other machine learning and prediction tasks, is the generalization problem. The learned network does not have the c…

cs.CV2022

Self-Constrained Inference Optimization on Structural Groups for Human Pose Estimation

Zhehan Kan, Shuoshuo Chen, Zeng Li +1

We observe that human poses exhibit strong group-wise structural correlation and spatial coupling between keypoints due to the biological constraints of different body parts. This…