collaborators

6 papers

cs.CV2026

Pusa V1.0: Unlocking Temporal Control in Pretrained Video Diffusion Models via Vectorized Timestep Adaptation

Yaofang Liu, Yumeng Ren, Aitor Artola +9

The rapid advancement of video diffusion models has been hindered by fundamental limitations in temporal modeling, particularly the rigid synchronization of frame evolution imposed…

cs.CL2026

TinyJudge: Unverifiable Constraint Alignment via Lightweight Specialist Ensembles

Yirong Zeng, Yufei Liu, Xiao Ding +9

Instruction Following (IF) is a core capability of LLMs, requiring strict adherence to diverse constraints, ranging from verifiable ones (e.g., output length) to unverifiable ones…

cs.AI2026

CoVe: Training Interactive Tool-Use Agents via Constraint-Guided Verification

Jinpeng Chen, Cheng Gong, Hanbo Li +9

Developing multi-turn interactive tool-use agents is challenging because real-world user needs are often complex and ambiguous, yet agents must execute deterministic actions to sat…

cs.CV2026

VisionDirector: Vision-Language Guided Closed-Loop Refinement for Generative Image Synthesis

Meng Chu, Senqiao Yang, Haoxuan Che +8

Generative models can now produce photorealistic imagery, yet they still struggle with the long, multi-goal prompts that professional designers issue. To expose this gap and better…

cs.CL2025

Beyond Confidence: Adaptive and Coherent Decoding for Diffusion Language Models

Kecheng Chen, Ziru Liu, Xijia Tao +7

Diffusion Language Models (DLMs) have recently achieved significant success due to their any-order generation capabilities. However, existing inference methods typically rely on lo…

cs.LG2025

GHPO: Adaptive Guidance for Stable and Efficient LLM Reinforcement Learning

Ziru Liu, Cheng Gong, Xinyu Fu +7

Reinforcement Learning with Verifiable Rewards (RLVR) has recently emerged as a powerful paradigm for facilitating the self-improvement of large language models (LLMs), particularl…