activity
20202026
most citedNTIRE 2024 Challenge on Image Super-Resolution (x4): Methods and Results

54 citations · 131 across the 84 of their papers we have counts for

collaborators
Showing 2025Show all

18 papers · 1 filter

cs.CV2025

Class Incremental Medical Image Segmentation via Prototype-Guided Calibration and Dual-Aligned Distillation

Shengqian Zhu, Chengrong Yu, Qiang Wang +6

Class incremental medical image segmentation (CIMIS) aims to preserve knowledge of previously learned classes while learning new ones without relying on old-class labels. However,…

cs.CV2025

Robust-R1: Degradation-Aware Reasoning for Robust Visual Understanding

Jiaqi Tang, Jianmin Chen, Wei Wei +7

Multimodal Large Language Models struggle to maintain reliable performance under extreme real-world visual degradations, which impede their practical robustness. Existing robust ML…

cs.CV2025

Wan-Move: Motion-controllable Video Generation via Latent Trajectory Guidance

Ruihang Chu, Yefei He, Zhekai Chen +10

We present Wan-Move, a simple and scalable framework that brings motion control to video generative models. Existing motion-controllable methods typically suffer from coarse contro…

cs.CV2025

Enhancing Diffusion-based Restoration Models via Difficulty-Adaptive Reinforcement Learning with IQA Reward

Xiaogang Xu, Ruihang Chu, Jian Wang +6

Reinforcement Learning (RL) has recently been incorporated into diffusion models, e.g., tasks such as text-to-image. However, directly applying existing RL methods to diffusion-bas…

cs.CV2025

Hybrid Event Frame Sensors: Modeling, Calibration, and Simulation

Yunfan Lu, Nico Messikommer, Xiaogang Xu +5

Hybrid event-frame sensors integrate an Event Vision Sensor (EVS) and an Active Pixel Sensor (APS) within a single chip, combining the high dynamic range and low latency of the EVS…

cs.CV2025

Boosting Fidelity for Pre-Trained-Diffusion-Based Low-Light Image Enhancement via Condition Refinement

Xiaogang Xu, Jian Wang, Yunfan Lu +5

Diffusion-based methods, leveraging pre-trained large models like Stable Diffusion via ControlNet, have achieved remarkable performance in several low-level vision tasks. However,…

cs.CV2025★ 1 cited

DiffCamera: Arbitrary Refocusing on Images

Yiyang Wang, Xi Chen, Xiaogang Xu +2

The depth-of-field (DoF) effect, which introduces aesthetically pleasing blur, enhances photographic quality but is fixed and difficult to modify once the image has been created. T…

cs.CV2025

Exploiting Unlabeled Structures through Task Consistency Training for Versatile Medical Image Segmentation

Shengqian Zhu, Jiafei Wu, Xiaogang Xu +5

Versatile medical image segmentation (VMIS) targets the segmentation of multiple classes, while obtaining full annotations for all classes is often impractical due to the time and…

cs.CL2025

Jailbreaking Commercial Black-Box LLMs with Explicitly Harmful Prompts

Chiyu Zhang, Lu Zhou, Xiaogang Xu +3

Existing black-box jailbreak attacks achieve certain success on non-reasoning models but degrade significantly on recent SOTA reasoning models. To improve attack ability, inspired…

cs.LG2025

Generative Distribution Distillation

Jiequan Cui, Beier Zhu, Qingshan Xu +6

In this paper, we formulate the knowledge distillation (KD) as a conditional generative problem and propose the \textit{Generative Distribution Distillation (GenDD)} framework. A n…

cs.CV2025

LoViC: Efficient Long Video Generation with Context Compression

Jiaxiu Jiang, Wenbo Li, Jingjing Ren +5

Despite recent advances in diffusion transformers (DiTs) for text-to-video generation, scaling to long-duration content remains challenging due to the quadratic complexity of self-…

cs.CV2025

MiCo: Multi-image Contrast for Reinforcement Visual Reasoning

Xi Chen, Mingkang Zhu, Shaoteng Liu +5

This work explores enabling Chain-of-Thought (CoT) reasoning to link visual cues across multiple images. A straightforward solution is to adapt rule-based reinforcement learning fo…

cs.LG2025

LPO: Towards Accurate GUI Agent Interaction via Location Preference Optimization

Jiaqi Tang, Yu Xia, Yi-Feng Wu +9

The advent of autonomous agents is transforming interactions with Graphical User Interfaces (GUIs) by employing natural language as a powerful intermediary. Despite the predominanc…

cs.CV2025

From Events to Enhancement: A Survey on Event-Based Imaging Technologies

Yunfan Lu, Xiaogang Xu, Pengteng Li +4

Event cameras offering high dynamic range and low latency have emerged as disruptive technologies in imaging. Despite growing research on leveraging these benefits for different im…

cs.CV2025

Boosting HDR Image Reconstruction via Semantic Knowledge Transfer

Tao Hu, Longyao Wu, Wei Dong +5

Recovering High Dynamic Range (HDR) images from multiple Standard Dynamic Range (SDR) images become challenging when the SDR images exhibit noticeable degradation and missing conte…

cs.CV2025★ 1 cited

Boosting Diffusion-Based Text Image Super-Resolution Model Towards Generalized Real-World Scenarios

Chenglu Pan, Xiaogang Xu, Ganggui Ding +4

Restoring low-resolution text images presents a significant challenge, as it requires maintaining both the fidelity and stylistic realism of the text in restored images. Existing t…

cs.CV2025

SEE: See Everything Every Time -- Adaptive Brightness Adjustment for Broad Light Range Images via Events

Yunfan Lu, Xiaogang Xu, Hao Lu +8

Event cameras, with a high dynamic range exceeding , significantly outperform traditional embedded cameras, robustly recording detailed changing information under various li…

cs.CV2025

DiffDoctor: Diagnosing Image Diffusion Models Before Treating

Yiyang Wang, Xi Chen, Xiaogang Xu +4

In spite of recent progress, image diffusion models still produce artifacts. A common solution is to leverage the feedback provided by quality assessment systems or human annotator…