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While diffusion models can successfully generate data and make predictions, they are predominantly designed for static images. We propose an approach for efficiently training diffusion models for probabilistic spatiotemporal forecasting,…

Machine Learning · Computer Science 2023-10-12 Salva Rühling Cachay , Bo Zhao , Hailey Joren , Rose Yu

Time series generation focuses on modeling the underlying data distribution and resampling to produce authentic time series data. Key components, such as trend and seasonality, drive temporal fluctuations, yet many existing approaches fail…

Machine Learning · Computer Science 2025-11-04 Zixuan Ma , Chenfeng Huang

Physics-informed neural networks (PINNs) have received significant attention as a unified framework for forward, inverse, and surrogate modeling of problems governed by partial differential equations (PDEs). Training PINNs for forward…

Machine Learning · Computer Science 2022-06-22 Ehsan Haghighat , Danial Amini , Ruben Juanes

In this study, we present a novel swarm-based approach for generating optimized stress-aligned trajectories for 3D printing applications. The method utilizes swarming dynamics to simulate the motion of virtual agents along the stress…

Optimization and Control · Mathematics 2024-04-17 Xavier Guidetti , Efe C. Balta , John Lygeros

Spatio-temporal prediction is a pivotal task with broad applications in traffic management, climate monitoring, energy scheduling, etc. However, existing methodologies often struggle to balance model expressiveness and computational…

Machine Learning · Computer Science 2025-05-27 Jiawen Chen , Qi Shao , Duxin Chen , Wenwu Yu

Remote sensing spatiotemporal fusion (STF) addresses the fundamental trade-off between temporal and spatial resolution by combining high temporal-low spatial and high spatial-low temporal imagery. This paper presents the first comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Enzhe Sun , Yongchuan Cui , Peng Liu , Jining Yan

The application of deep learning methods to speed up the resolution of challenging power flow problems has recently shown very encouraging results. However, power system dynamics are not snap-shot, steady-state operations. These dynamics…

Machine Learning · Computer Science 2022-06-22 Mostafa Mohammadian , Kyri Baker , Ferdinando Fioretto

The efficiency of modern machine intelligence depends on high accuracy with minimal computational cost. In spiking neural networks (SNNs), synaptic delays are crucial for encoding temporal structure, yet existing models treat them as fully…

Neural and Evolutionary Computing · Computer Science 2025-12-19 Lennart P. L. Landsmeer , Amirreza Movahedin , Mario Negrello , Said Hamdioui , Christos Strydis

This work introduces Physics-informed State-space neural network Models (PSMs), a novel solution to achieving real-time optimization, flexibility, and fault tolerance in autonomous systems, particularly in transport-dominated systems such…

Machine Learning · Computer Science 2024-08-21 Akshay J. Dave , Richard B. Vilim

Disordered network materials abound in both nature and synthetic situations while rigorous analysis of their nonlinear mechanical behaviors still is very challenging. The purpose of this paper is to connect the mathematical framework of…

Optimization and Control · Mathematics 2023-10-04 Ivan Gudoshnikov , Yang Jiao , Oleg Makarenkov , Duyu Chen

A low-resolution digital surface model (DSM) features distinctive attributes impacted by noise, sensor limitations and data acquisition conditions, which failed to be replicated using simple interpolation methods like bicubic. This causes…

Image and Video Processing · Electrical Eng. & Systems 2024-04-08 Daniel Panangian , Ksenia Bittner

Generative design problems often encompass complex action spaces that may be divergent over time, contain state-dependent constraints, or involve hybrid (discrete and continuous) domains. To address those challenges, this work introduces…

Artificial Intelligence · Computer Science 2021-10-14 Ayush Raina , Jonathan Cagan , Christopher McComb

Recent text-to-image generation favors various forms of spatial conditions, e.g., masks, bounding boxes, and key points. However, the majority of the prior art requires form-specific annotations to fine-tune the original model, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Z. Zhang , B. Liu , J. Bao , L. Chen , S. Zhu , J. Yu

Diffusion models have recently achieved outstanding results in the field of image super-resolution. These methods typically inject low-resolution (LR) images via ControlNet.In this paper, we first explore the temporal dynamics of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Qinwei Lin , Xiaopeng Sun , Yu Gao , Yujie Zhong , Dengjie Li , Zheng Zhao , Haoqian Wang

The prevailing of artificial intelligence-of-things calls for higher energy-efficient edge computing paradigms, such as neuromorphic agents leveraging brain-inspired spiking neural network (SNN) models based on spatiotemporally sparse…

Neural and Evolutionary Computing · Computer Science 2024-11-28 Haoran Gao , Xichuan Zhou , Yingcheng Lin , Min Tian , Liyuan Liu , Cong Shi

A systematic study of the sensitivities of simulation input on the computed stress distributions in two-phase microstructures is presented. The study supports a related investigation of the initiation and propagation of yielding in duplex…

Materials Science · Physics 2017-07-31 Andrew C. Poshadel , Michael Gharghouri , Paul R. Dawson

For multilayer materials in thin substrate systems, interfacial failure is one of the most challenges. The traction-separation relations (TSR) quantitatively describe the mechanical behavior of a material interface undergoing openings,…

Computational Engineering, Finance, and Science · Computer Science 2020-12-01 Jiaxin Zhang , Congjie Wei , Chenglin Wu

Modeling and predicting temporal point processes (TPPs) is critical in domains such as neuroscience, epidemiology, finance, and social sciences. We introduce the Spiking Dynamic Graph Network (SDGN), a novel framework that leverages the…

Machine Learning · Computer Science 2025-04-03 Biswadeep Chakraborty , Hemant Kumawat , Beomseok Kang , Saibal Mukhopadhyay

The development of generative design driven by artificial intelligence algorithms is speedy. There are two research gaps in the current research: 1) Most studies only focus on the relationship between design elements and pay little…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Ran Chen , Xingjian Yi , Jing Zhao , Yueheng He , Bainian Chen , Xueqi Yao , Fangjun Liu , Haoran Li , Zeke Lian

Spatio-temporal reasoning in time series involves the explicit synthesis of temporal dynamics, spatial dependencies, and textual context. This capability is vital for high-stakes decision-making in systems such as traffic networks, power…

Computation and Language · Computer Science 2026-04-24 Juntong Ni , Shiyu Wang , Qi He , Ming Jin , Wei Jin