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相关论文: PIAD-SRNN: Physics-Informed Adaptive Decomposition…

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The decomposition of a time series is an essential task that helps to understand its very nature. It facilitates the analysis and forecasting of complex time series expressing various hidden components such as the trend, seasonal…

统计方法学 · 统计学 2022-04-25 Grzegorz Dudek

To address the complexity of financial time series, this paper proposes a forecasting model combining sliding window and variational mode decomposition (VMD) methods. Historical stock prices and relevant market indicators are used to…

机器学习 · 计算机科学 2025-08-22 Luke Li

We propose here an extended attention model for sequence-to-sequence recurrent neural networks (RNNs) designed to capture (pseudo-)periods in time series. This extended attention model can be deployed on top of any RNN and is shown to yield…

机器学习 · 计算机科学 2017-08-22 Yagmur G. Cinar , Hamid Mirisaee , Parantapa Goswami , Eric Gaussier , Ali Ait-Bachir , Vadim Strijov

We introduce a dynamical spatio-temporal model formalized as a recurrent neural network for forecasting time series of spatial processes, i.e. series of observations sharing temporal and spatial dependencies. The model learns these…

机器学习 · 计算机科学 2018-04-24 Ali Ziat , Edouard Delasalles , Ludovic Denoyer , Patrick Gallinari

Spatiotemporal data imputation plays a crucial role in various fields such as traffic flow monitoring, air quality assessment, and climate prediction. However, spatiotemporal data collected by sensors often suffer from temporal…

机器学习 · 计算机科学 2024-12-18 Zijin Liu , Xiang Zhao , You Song

Deep neural networks (DNNs) have delivered a remarkable performance in many tasks of computer vision. However, over-parameterized representations of popular architectures dramatically increase their computational complexity and storage…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Chang Nie , Huan Wang , Lu Zhao

We introduce a model-agnostic forward diffusion process for time-series forecasting that decomposes signals into spectral components, preserving structured temporal patterns such as seasonality more effectively than standard diffusion.…

机器学习 · 统计学 2026-02-17 Francisco Caldas , Sahil Kumar , Cláudia Soares

Accurate air quality forecasting is crucial for protecting public health and guiding environmental policy, yet it remains challenging due to nonlinear spatiotemporal dynamics, wind-driven transport, and distribution shifts across regions.…

机器学习 · 计算机科学 2026-04-02 Prasanjit Dey , Soumyabrata Dev , Angela Meyer , Bianca Schoen-Phelan

How to effectively explore multi-scale representations of rain streaks is important for image deraining. In contrast to existing Transformer-based methods that depend mostly on single-scale rain appearance, we develop an end-to-end…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Xiang Chen , Jinshan Pan , Jiangxin Dong

Recent advancements in recurrent neural network (RNN) research have demonstrated the superiority of utilizing multiscale structures in learning temporal representations of time series. Currently, most of multiscale RNNs use fixed scales,…

机器学习 · 计算机科学 2019-02-18 Hao Hu , Liqiang Wang , Guo-Jun Qi

The impacts of climate change are felt by most critical systems, such as infrastructure, ecological systems, and power-plants. However, contemporary Earth System Models (ESM) are run at spatial resolutions too coarse for assessing effects…

计算机视觉与模式识别 · 计算机科学 2017-03-10 Thomas Vandal , Evan Kodra , Sangram Ganguly , Andrew Michaelis , Ramakrishna Nemani , Auroop R Ganguly

Physics-Informed Neural Networks (PINNs) have become a kind of attractive machine learning method for obtaining solutions of partial differential equations (PDEs). Training PINNs can be seen as a semi-supervised learning task, in which only…

机器学习 · 计算机科学 2022-10-25 Jia Guo , Haifeng Wang , Chenping Hou

Recently, the superior performance of Transformers has made them a more robust and scalable solution for sequence modeling than traditional recurrent neural networks (RNNs). However, the effectiveness of Transformer in capturing long-term…

机器学习 · 计算机科学 2025-05-07 Zhou Wu , Junyi An , Baile Xu , Furao Shen , Jian Zhao

Time series prediction is a widespread and well studied problem with applications in many domains (medical, geoscience, network analysis, finance, econometry etc.). In the case of multivariate time series, the key to good performances is to…

机器学习 · 计算机科学 2022-02-09 Darko Drakulic , Jean-Marc Andreoli

Spatial-temporal graph neural networks (STGNNs) have achieved significant success in various time series forecasting tasks. However, due to the lack of explicit and fixed spatial relationships in stock prediction tasks, many STGNNs fail to…

机器学习 · 计算机科学 2024-09-25 Wenbo Yan , Ying Tan

We present a scalable, data-driven simulation framework for large-scale heating, ventilation, and air conditioning (HVAC) systems that couples physics-informed neural ordinary differential equations (PINODEs) with differential-algebraic…

机器学习 · 计算机科学 2026-04-24 Hanfeng Zhai , Hongtao Qiao , Hassan Mansour , Christopher Laughman

With an ever-increasing number of sensors in modern society, spatio-temporal time series forecasting has become a de facto tool to make informed decisions about the future. Most spatio-temporal forecasting models typically comprise distinct…

机器学习 · 计算机科学 2023-03-24 Lars Ødegaard Bentsen , Narada Dilp Warakagoda , Roy Stenbro , Paal Engelstad

Most model reduction methods reduce the state dimension and then temporally evolve a set of coefficients that encode the state in the reduced representation. In this paper, we instead employ an efficient representation of the entire…

数值分析 · 数学 2025-11-03 Peter Frame , Cong Lin , Oliver Schmidt , Aaron Towne

Many problems in climate science require the identification of signals obscured by both the "noise" of internal climate variability and differences across models. Following previous work, we train an artificial neural network (ANN) to…

大气与海洋物理 · 物理学 2020-08-24 Elizabeth A. Barnes , Benjamin Toms , James W. Hurrell , Imme Ebert-Uphoff , Chuck Anderson , David Anderson

This work aims to improve fuel chamber injectors' performance in turbofan engines, thus implying improved performance and reduction of pollutants. This requires the development of models that allow real-time prediction and improvement of…

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