1 code implementation • 24 Mar 2025 • Weichen Fan, Amber Yijia Zheng, Raymond A. Yeh, Ziwei Liu
Classifier-Free Guidance (CFG) is a widely adopted technique in diffusion/flow models to improve image fidelity and controllability.
no code implementations • 15 Jan 2025 • Chenyang Si, Weichen Fan, Zhengyao Lv, Ziqi Huang, Yu Qiao, Ziwei Liu
Video generation has achieved remarkable progress with the introduction of diffusion models, which have significantly improved the quality of generated videos.
1 code implementation • 14 Jan 2025 • Weichen Fan, Chenyang Si, Junhao Song, Zhenyu Yang, Yinan He, Long Zhuo, Ziqi Huang, Ziyue Dong, Jingwen He, Dongwei Pan, Yi Wang, Yuming Jiang, Yaohui Wang, Peng Gao, Xinyuan Chen, Hengjie Li, Dahua Lin, Yu Qiao, Ziwei Liu
We present Vchitect-2. 0, a parallel transformer architecture designed to scale up video diffusion models for large-scale text-to-video generation.
1 code implementation • CVPR 2024 • Yan Tai, Weichen Fan, Zhao Zhang, Feng Zhu, Rui Zhao, Ziwei Liu
The ability to learn from context with novel concepts, and deliver appropriate responses are essential in human conversations.
1 code implementation • 14 Aug 2023 • Weichen Fan, Jinghuan Chen, Ziwei Liu
In this work, we propose Hierarchy Flow, a novel flow-based model to achieve better content preservation during translation.
no code implementations • IEEE Transactions on Automation Science and Engineering 2022 • Huxin Gao, Weichen Fan, Liang Qiu, Xiaoxiao Yang, Zhen Li, Xiuli Zuo, Yanqing Li, Max Q-H Meng, Hongliang Ren
Finally, the simulation results show that the SAVAnet can endow endoscope with surgeons’ visual attention to perform self-control in real time.
1 code implementation • 5 Jul 2022 • Weichen Fan, Jinghuan Chen, Jiabin Ma, Jun Hou, Shuai Yi
We evaluate our model in several I2I translation benchmarks, and the results show that the proposed model has advantages over previous methods in both strongly constrained and normally constrained tasks.
Ranked #1 on
Style Transfer
on WikiArt
no code implementations • 5 May 2022 • Weichen Fan, Yuanbo Yang, Kunpeng Qiu, Shuo Wang, Yongxin Guo
Therefore, to address the generalization problem in GI(Gastrointestinal) endoscopy, we propose a multi-domain GI dataset and a light, plug-in block called InvNorm(Invertible Normalization), which could achieve a better generalization performance in any structure.