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Accurately, efficiently, and stably computing complex fluid flows and their evolution near solid boundaries over long horizons remains challenging. Conventional numerical solvers require fine grids and small time steps to resolve near-wall…

机器学习 · 计算机科学 2026-03-18 Chenglin Li , Hang Xu , Jianting Chen , Yanfei Zhang

Flow matching is a recent framework to train generative models that exhibits impressive empirical performance while being relatively easier to train compared with diffusion-based models. Despite its advantageous properties, prior methods…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Quan Dao , Hao Phung , Binh Nguyen , Anh Tran

Despite remarkable capabilities, artificial neural networks exhibit limited flexible, generalizable intelligence. This limitation stems from their fundamental divergence from biological cognition that overlooks both neural regions'…

人工智能 · 计算机科学 2025-11-05 Boheng Liu , Ziyu Li , Qing Li , Xia Wu

The discovery of extremal structures in mathematics requires navigating vast and nonconvex landscapes where analytical methods offer little guidance and brute-force search becomes intractable. We introduce FlowBoost, a closed-loop…

组合数学 · 数学 2026-01-27 Gergely Bérczi , Baran Hashemi , Jonas Klüver

We introduce 'mixed LICORS', an algorithm for learning nonlinear, high-dimensional dynamics from spatio-temporal data, suitable for both prediction and simulation. Mixed LICORS extends the recent LICORS algorithm (Goerg and Shalizi, 2012)…

统计方法学 · 统计学 2015-07-27 Georg M. Goerg , Cosma Rohilla Shalizi

Field Programmable Gate Arrays generate algorithmic specific architectures that improve the code's FLOP per watt ratio. Such devices are re-gaining interest due to the rise of new tools that facilitate their programming, such as OmpSs. The…

计算物理 · 物理学 2021-07-28 Guillermo Oyarzun , Daniel Peyrolon , Carlos Alvarez , Xavier Martorell

Computational Fluid Dynamics (CFD) is a hugely important subject with applications in almost every engineering field, however, fluid simulations are extremely computationally and memory demanding. Towards this end, we present Lat-Net, a…

机器学习 · 统计学 2017-05-26 Oliver Hennigh

Intrinsic Image Decomposition (IID) separates an image into albedo and shading components. It is a core step in many real-world applications, such as relighting and material editing. Existing IID models achieve good results, but often use a…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Mithlesh Singla , Seema Kumari , Shanmuganathan Raman

Time series forecasting (TSF) faces challenges in modeling complex intra-channel temporal dependencies and inter-channel correlations. Although recent research has highlighted the efficiency of linear architectures in capturing global…

机器学习 · 计算机科学 2026-01-29 Gawon Lee , Hanbyeol Park , Minseop Kim , Dohee Kim , Hyerim Bae

We propose ReMiDi, a novel method for inferring neuronal microstructure as arbitrary 3D meshes using a differentiable diffusion Magnetic Resonance Imaging (dMRI) simulator. We first implemented in PyTorch a differentiable dMRI simulator…

While Transformer architectures have demonstrated impressive scalability across domains, they continue to face challenges in long-context reasoning, computational efficiency, and structural generalization - largely due to rigid layer…

计算与语言 · 计算机科学 2025-10-03 Haochen You , Baojing Liu

Existing deep image watermarking methods follow a fixed embedding-distortion-extraction pipeline, where the embedder and extractor are weakly coupled through a final loss and optimized in isolation. This design lacks explicit collaboration,…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Fei Ge , Ying Huang , Jie Liu , Guixuan Zhang , Zhi Zeng , Shuwu Zhang , Hu Guan

Reconstructing visual stimuli from fMRI signals is a central challenge bridging machine learning and neuroscience. Recent diffusion-based methods typically map fMRI activity to a single high-level embedding, using it as fixed guidance…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Xu Zhang , Ruijie Quan , Wenguan Wang , Yi Yang

This paper proposes a scalable lattice-Boltzmann computational framework (SBoTFlow) for simulations of flexible moving objects in an incompressible fluid flow. Behavior of fluid flow formed from moving boundaries of flexible-object motions…

流体动力学 · 物理学 2024-02-08 Duc V. Nguyen , Dung V. Duong

Delay embedding---a method for reconstructing dynamical systems by delay coordinates---is widely used to forecast nonlinear time series as a model-free approach. When multivariate time series are observed, several existing frameworks can be…

机器学习 · 统计学 2019-07-04 Shunya Okuno , Kazuyuki Aihara , Yoshito Hirata

Gravitational lensing is one of the most powerful probes of dark matter, yet creating high-fidelity lensed images at scale remains a bottleneck. Existing tools rely on ray-tracing or forward-modeling pipelines that, while precise, are…

天体物理仪器与方法 · 物理学 2025-11-17 Hamees Sayed , Pranath Reddy , Michael W. Toomey , Sergei Gleyzer

In this work we explore the advantages of end-to-end learning of multilayer maps offered by feed forward neural-networks (FFNN) for learning and predicting dynamics from transient fluid flow data.While machine learning in general depends on…

计算物理 · 物理学 2020-10-28 Shivakanth Chary Puligilla , Balaji Jayaraman

Forecasting complex system dynamics, particularly for long-term predictions, is persistently hindered by error accumulation and computational burdens. This study presents RefreshNet, a multiscale framework developed to overcome these…

机器学习 · 计算机科学 2024-01-25 Junaid Farooq , Danish Rafiq , Pantelis R. Vlachas , Mohammad Abid Bazaz

The system frequency is a critical measure of power system stability and understanding, and modeling it are key to ensure reliable power system operations. Koopman-based autoencoders are effective at approximating complex nonlinear data…

系统与控制 · 电气工程与系统科学 2026-03-19 Eric Lupascu , Xiao Li , Benjamin Schäfer

Standard Transformers have a fixed computational depth, fundamentally limiting their ability to generalize to tasks requiring variable-depth reasoning, such as multi-hop graph traversal or nested logic. We propose a depth-recurrent…

机器学习 · 计算机科学 2026-03-24 Hung-Hsuan Chen