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We present the first foundational AI model for universal physics simulation that learns physical laws directly from boundary-condition data without requiring a priori equation encoding. Traditional physics-informed neural networks (PINNs)…

机器学习 · 计算机科学 2025-07-15 Bradley Camburn

Generating physically realistic 3D molecular structures remains a core challenge in molecular generative modeling. While diffusion models equipped with equivariant neural networks have made progress in capturing molecular geometries, they…

机器学习 · 计算机科学 2025-08-25 Zhijian Zhou , Junyi An , Zongkai Liu , Yunfei Shi , Xuan Zhang , Fenglei Cao , Chao Qu , Yuan Qi

We present a new scientific machine learning method that learns from data a computationally inexpensive surrogate model for predicting the evolution of a system governed by a time-dependent nonlinear partial differential equation (PDE), an…

数值分析 · 数学 2022-02-28 Elizabeth Qian , Ionut-Gabriel Farcas , Karen Willcox

We introduce PDE-Transformer, an improved transformer-based architecture for surrogate modeling of physics simulations on regular grids. We combine recent architectural improvements of diffusion transformers with adjustments specific for…

机器学习 · 计算机科学 2025-06-02 Benjamin Holzschuh , Qiang Liu , Georg Kohl , Nils Thuerey

Emerging multi-modal world models attempt to jointly generate videos across diverse modalities (e.g., RGB, depth, and mask), yet they fail to fully exploit the rich priors of existing foundation models. We propose $M^2$-REPA, the first…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Junyuan Xiao , Dingkang Liang , Xin Zhou , Yixuan Ye , Tongtong Su , Guangmo Yi , Bin Xia , Qiang Lyu , Shurui Shi , Jun Huang , Jianlou Si , Wenming Yang

Although Physics-Informed Neural Networks (PINNs) have been successfully applied in a wide variety of science and engineering fields, they can fail to accurately predict the underlying solution in slightly challenging…

机器学习 · 计算机科学 2023-03-27 Yufeng Wang , Cong Xu , Min Yang , Jin Zhang

Two competing paradigms exist for self-supervised learning of data representations. Joint Embedding Predictive Architecture (JEPA) is a class of architectures in which semantically similar inputs are encoded into representations that are…

机器学习 · 计算机科学 2024-07-08 Etai Littwin , Omid Saremi , Madhu Advani , Vimal Thilak , Preetum Nakkiran , Chen Huang , Joshua Susskind

Reconstructing PDE-governed fields from sparse and irregular measurements is challenging due to their ill-posed nature. Deterministic surrogates are trained on dense fields that struggle with limited measurements and uncertainty…

机器学习 · 计算机科学 2026-05-18 Hao Zhou , Rui Zhang , Han Wan , Hao Sun

Recent works such as REPA have shown that guiding diffusion models with external semantic features (e.g., DINO) can significantly accelerate the training of diffusion transformers (DiTs). However, the use of pretrained external features as…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Lingchen Sun , Rongyuan Wu , Zhengqiang Zhang , Ruibin Li , Yujing Sun , Shuaizheng Liu , Lei Zhang

The diffusion-based text-to-image model harbors immense potential in transferring reference style. However, current encoder-based approaches significantly impair the text controllability of text-to-image models while transferring styles. In…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Tianhao Qi , Shancheng Fang , Yanze Wu , Hongtao Xie , Jiawei Liu , Lang Chen , Qian He , Yongdong Zhang

The Joint-Embedding Predictive Architecture (JEPA) is often seen as a non-generative alternative to likelihood-based self-supervised learning, emphasizing prediction in representation space rather than reconstruction in observation space.…

机器学习 · 计算机科学 2026-03-23 Moritz Gögl , Christopher Yau

Self-supervised learning has seen great success recently in unsupervised representation learning, enabling breakthroughs in natural language and image processing. However, these methods often rely on autoregressive and masked modeling,…

机器学习 · 计算机科学 2025-10-01 Sofiane Ennadir , Siavash Golkar , Leopoldo Sarra

Language representation learning has emerged as a promising approach for sequential recommendation, thanks to its ability to learn generalizable representations. However, despite its advantages, this approach still struggles with data…

信息检索 · 计算机科学 2025-08-08 Minh-Anh Nguyen , Dung D. Le

We present PDE-FM, a modular foundation model for physics-informed machine learning that unifies spatial, spectral, and temporal reasoning across heterogeneous partial differential equation (PDE) systems. PDE-FM combines spatial-spectral…

Preference alignment in diffusion models has primarily focused on benign human preferences (e.g., aesthetic). In this paper, we propose a novel perspective: framing unrestricted adversarial example generation as a problem of aligning with…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kaixun Jiang , Zhaoyu Chen , Haijing Guo , Jinglun Li , Jiyuan Fu , Pinxue Guo , Hao Tang , Bo Li , Wenqiang Zhang

In this paper, we propose an energy-efficient federated meta-learning framework. The objective is to enable learning a meta-model that can be fine-tuned to a new task with a few number of samples in a distributed setting and at low…

机器学习 · 计算机科学 2021-06-01 Anis Elgabli , Chaouki Ben Issaid , Amrit S. Bedi , Mehdi Bennis , Vaneet Aggarwal

Embedding physical knowledge into neural network (NN) training has been a hot topic. However, when facing the complex real-world, most of the existing methods still strongly rely on the quantity and quality of observation data. Furthermore,…

流体动力学 · 物理学 2024-11-20 Dashan Zhang , Yuntian Chen , Shiyi Chen

This tutorial provides a comprehensive survey of methods for fine-tuning diffusion models to optimize downstream reward functions. While diffusion models are widely known to provide excellent generative modeling capability, practical…

机器学习 · 计算机科学 2024-07-19 Masatoshi Uehara , Yulai Zhao , Tommaso Biancalani , Sergey Levine

Deep learning has revolutionized the field of computer vision by introducing large scale neural networks with millions of parameters. Training these networks requires massive datasets and leads to intransparent models that can fail to…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Tom Fischer , Pascal Peter , Joachim Weickert , Eddy Ilg

Humans have mental models that allow them to plan, experiment, and reason in the physical world. How should an intelligent agent go about learning such models? In this paper, we will study if models of the world learned in an open-ended…

机器人学 · 计算机科学 2021-10-14 Chuang Gan , Abhishek Bhandwaldar , Antonio Torralba , Joshua B. Tenenbaum , Phillip Isola