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In this paper, we address the performance degradation of efficient diffusion models by introducing Multi-architecturE Multi-Expert diffusion models (MEME). We identify the need for tailored operations at different time-steps in diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Yunsung Lee , Jin-Young Kim , Hyojun Go , Myeongho Jeong , Shinhyeok Oh , Seungtaek Choi

A unified diffusion framework for multi-modal generation and understanding has the transformative potential to achieve seamless and controllable image diffusion and other cross-modal tasks. In this paper, we introduce MMGen, a unified…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Jiepeng Wang , Zhaoqing Wang , Hao Pan , Yuan Liu , Dongdong Yu , Changhu Wang , Wenping Wang

Recent progress has shown that video diffusion models (VDMs) can be repurposed for diverse multimodal graphics tasks. However, existing methods often train separate models for each problem setting, which fixes the input-output mapping and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Houyuan Chen , Hong Li , Xianghao Kong , Tianrui Zhu , Shaocong Xu , Weiqing Xiao , Yuwei Guo , Chongjie Ye , Lvmin Zhang , Hao Zhao , Anyi Rao

All-in-one image restoration is challenging because different degradation types, such as haze, blur, noise, and low-light, impose diverse requirements on restoration strategies, making it difficult for a single model to handle them…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Lingshun Kong , Jiawei Zhang , Zhengpeng Duan , Xiaohe Wu , Yueqi Yang , Xiaotao Wang , Dongqing Zou , Lei Lei , Jinshan Pan

Diffusion models arise as a powerful generative tool recently. Despite the great progress, existing diffusion models mainly focus on uni-modal control, i.e., the diffusion process is driven by only one modality of condition. To further…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Ziqi Huang , Kelvin C. K. Chan , Yuming Jiang , Ziwei Liu

Mixture-of-Expert (MoE) models outperform conventional models by selectively activating different subnets, named experts, on a per-token basis. This gated computation generates dynamic communications that cannot be determined beforehand,…

Networking and Internet Architecture · Computer Science 2025-09-05 Xudong Liao , Yijun Sun , Han Tian , Xinchen Wan , Yilun Jin , Zilong Wang , Zhenghang Ren , Xinyang Huang , Wenxue Li , Kin Fai Tse , Zhizhen Zhong , Guyue Liu , Ying Zhang , Xiaofeng Ye , Yiming Zhang , Kai Chen

End-to-end autonomous driving systems based on vision-language-action (VLA) models integrate multimodal sensor inputs and language instructions to generate planning and control signals. While autoregressive large language models and…

Robotics · Computer Science 2025-12-17 Mingwang Xu , Jiahao Cui , Feipeng Cai , Hanlin Shang , Zhihao Zhu , Shan Luan , Yifang Xu , Neng Zhang , Yaoyi Li , Jia Cai , Siyu Zhu

The emergence of Diffusion Transformers (DiT) has brought significant advancements to video generation, especially in text-to-video and image-to-video tasks. Although video generation is widely applied in various fields, most existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Sen Liang , Zhentao Yu , Zhengguang Zhou , Teng Hu , Hongmei Wang , Yi Chen , Qin Lin , Yuan Zhou , Xin Li , Qinglin Lu , Zhibo Chen

Mixture-of-Experts (MoE) is a neural network architecture that adds sparsely activated expert blocks to a base model, increasing the number of parameters without impacting computational costs. However, current distributed deep learning…

Machine Learning · Computer Science 2023-05-16 Siddharth Singh , Olatunji Ruwase , Ammar Ahmad Awan , Samyam Rajbhandari , Yuxiong He , Abhinav Bhatele

Channel estimation is essential to massive multiple-input multiple-output (MIMO) systems. While recent generative model-based approaches using lightweight diffusion models (DMs) have achieved superior performance, they typically rely on a…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Zhuorui Jiang , Jun Fang , Boyu Ning , Hongbin Li , Ying-Chang Liang

In video generation models, particularly world models, training large-scale video diffusion Transformers (such as DiT and MMDiT) poses significant computational challenges due to the extreme variance in sequence lengths within mixed-mode…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-19 Yucheng Guo , Yongjian Guo , Zhong Guan , Haoran Sun , Wen Huang , Wanting Xu , Jing Long , Shuai Di , Junwu Xiong

The Sparse Mixture of Experts (SMoE) has been widely employed to enhance the efficiency of training and inference for Transformer-based foundational models, yielding promising results.However, the performance of SMoE heavily depends on the…

Machine Learning · Computer Science 2025-03-11 Yongxin Guo , Zhenglin Cheng , Xiaoying Tang , Zhaopeng Tu , Tao Lin

Recent progress in diffusion-based video editing has shown remarkable potential for practical applications. However, these methods remain prohibitively expensive and challenging to deploy on mobile devices. In this study, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Adil Karjauv , Noor Fathima , Ioannis Lelekas , Fatih Porikli , Amir Ghodrati , Amirhossein Habibian

The bifurcation of generative modeling into autoregressive approaches for discrete data (text) and diffusion approaches for continuous data (images) hinders the development of truly unified multimodal systems. While Masked Language Models…

Computation and Language · Computer Science 2026-01-08 Yuanfeng Xu , Yuhao Chen , Liang Lin , Guangrun Wang

Beyond high-fidelity image synthesis, diffusion models have recently exhibited promising results in dense visual perception tasks. However, most existing work treats diffusion models as a standalone component for perception tasks, employing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Shuhong Zheng , Zhipeng Bao , Ruoyu Zhao , Martial Hebert , Yu-Xiong Wang

Diffusion Transformer has shown remarkable abilities in generating high-fidelity videos, delivering visually coherent frames and rich details over extended durations. However, existing video generation models still fall short in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Zhaoyang Li , Dongjun Qian , Kai Su , Qishuai Diao , Xiangyang Xia , Chang Liu , Wenfei Yang , Tianzhu Zhang , Zehuan Yuan

Multi-modal data-sets are ubiquitous in modern applications, and multi-modal Variational Autoencoders are a popular family of models that aim to learn a joint representation of the different modalities. However, existing approaches suffer…

Machine Learning · Computer Science 2023-12-19 Mustapha Bounoua , Giulio Franzese , Pietro Michiardi

Current end-to-end multi-modal models utilize different encoders and decoders to process input and output information. This separation hinders the joint representation learning of various modalities. To unify multi-modal processing, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Chunhao Lu , Qiang Lu , Meichen Dong , Jake Luo

Diffusion Policies have become widely used in Imitation Learning, offering several appealing properties, such as generating multimodal and discontinuous behavior. As models are becoming larger to capture more complex capabilities, their…

Machine Learning · Computer Science 2024-12-18 Moritz Reuss , Jyothish Pari , Pulkit Agrawal , Rudolf Lioutikov

Generative diffusion models for end-to-end autonomous driving often suffer from mode collapse, tending to generate conservative and homogeneous behaviors. While DiffusionDrive employs predefined anchors representing different driving…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jialv Zou , Shaoyu Chen , Bencheng Liao , Zhiyu Zheng , Yuehao Song , Lefei Zhang , Qian Zhang , Wenyu Liu , Xinggang Wang