activity
20242026
collaborators

10 papers

cs.CV2026

Self-OPD: On-Policy Distillation for Flow Matching Models without Teacher

Shiyi Zhang, Mushui Liu, Yunze Tong +8

On-policy distillation (OPD), which leverages a pre-trained, specialized teacher model to provide dense supervisory signals, has achieved significant success in Large Language Mode…

cs.CV2026

LL-Bench: Rethinking Low-Level Vision Evaluation in the Era of Large-Scale Generative Models

Lu Liu, Huiyu Duan, Chenxin Zhu +6

Large-scale generative models have demonstrated remarkable capabilities across image generation and editing tasks. However, their performance in low-level vision tasks, which requi…

cs.CV2026

PromptEcho: Annotation-Free Reward from Vision-Language Models for Text-to-Image Reinforcement Learning

Jinlong Liu, Wanggui He, Peng Zhang +3

Reinforcement learning (RL) can improve the prompt following capability of text-to-image (T2I) models, yet obtaining high-quality reward signals remains challenging: CLIP Score is…

cs.CV2025

D-DPM: Dual Denoising for Quantized Diffusion Probabilistic Models

Qian Zeng, Jie Song, Han Zheng +2

Diffusion models have achieved cutting-edge performance in image generation. However, their lengthy denoising process and computationally intensive score estimation network impede…

cs.CV2025

Boosting MLLM Reasoning with Text-Debiased Hint-GRPO

Qihan Huang, Weilong Dai, Jinlong Liu +6

MLLM reasoning has drawn widespread research for its excellent problem-solving capability. Current reasoning methods fall into two types: PRM, which supervises the intermediate rea…

cs.CV2025

Towards Enhanced Image Generation Via Multi-modal Chain of Thought in Unified Generative Models

Yi Wang, Mushui Liu, Wanggui He +13

Unified generative models have shown remarkable performance in text and image generation. For image synthesis tasks, they adopt straightforward text-to-image (T2I) generation. Howe…

cs.CV2024

PatchDPO: Patch-level DPO for Finetuning-free Personalized Image Generation

Qihan Huang, Weilong Dai, Jinlong Liu +4

Finetuning-free personalized image generation can synthesize customized images without test-time finetuning, attracting wide research interest owing to its high efficiency. Current…

cs.CV2024

LG-CAV: Train Any Concept Activation Vector with Language Guidance

Qihan Huang, Jie Song, Mengqi Xue +6

Concept activation vector (CAV) has attracted broad research interest in explainable AI, by elegantly attributing model predictions to specific concepts. However, the training of C…

cs.CV2024

Resolving Multi-Condition Confusion for Finetuning-Free Personalized Image Generation

Qihan Huang, Siming Fu, Jinlong Liu +3

Personalized text-to-image generation methods can generate customized images based on the reference images, which have garnered wide research interest. Recent methods propose a fin…

cs.CV2024

On the Evaluation Consistency of Attribution-based Explanations

Jiarui Duan, Haoling Li, Haofei Zhang +5

Attribution-based explanations are garnering increasing attention recently and have emerged as the predominant approach towards \textit{eXplanable Artificial Intelligence}~(XAI). H…