activity
20242026
collaborators

5 papers

cs.CV2026

StreamEdit: Training-Free Video Editing via Few-Step Streaming Video Generation

Guanlong Jiao, Chenyangguang Zhang, Jia Jun Cheng Xian +2

Although existing video editing methods are generally feasible, they often require many costly iterations and still struggle to deliver high-quality yet satisfying editing results.…

cs.CV2026

TrajLoom: Dense Future Trajectory Generation from Video

Zewei Zhang, Jia Jun Cheng Xian, Kaiwen Liu +4

Predicting future motion is crucial in video understanding and controllable video generation. Dense point trajectories are a compact, expressive motion representation, but modeling…

cs.CV2025

Free Lunch Alignment of Text-to-Image Diffusion Models without Preference Image Pairs

Jia Jun Cheng Xian, Muchen Li, Haotian Yang +4

Recent advances in diffusion-based text-to-image (T2I) models have led to remarkable success in generating high-quality images from textual prompts. However, ensuring accurate alig…

cs.LG2024

From Graph Diffusion to Graph Classification

Jia Jun Cheng Xian, Sadegh Mahdavi, Renjie Liao +1

Generative models such as diffusion models have achieved remarkable success in state-of-the-art image and text tasks. Recently, score-based diffusion models have extended their suc…

cs.CV2024

POBEVM: Real-time Video Matting via Progressively Optimize the Target Body and Edge

Jianming Xian

Deep convolutional neural networks (CNNs) based approaches have achieved great performance in video matting. Many of these methods can produce accurate alpha estimation for the tar…