中文
相关论文

相关论文: Cross-Frequency Time Series Meta-Forecasting

200 篇论文

Time series models often deal with extreme events and anomalies, both prevalent in real-world datasets. Such models often need to provide careful probabilistic forecasting, which is vital in risk management for extreme events such as…

机器学习 · 统计学 2022-08-23 Ashkan Farhangi , Jiang Bian , Arthur Huang , Haoyi Xiong , Jun Wang , Zhishan Guo

This paper introduces a couple of new time-frequency transforms, designed to adapt their scale to specific features of the analyzed function. Such an adaptation is implemented via so-called focus functions, which control the window scale as…

经典分析与常微分方程 · 数学 2024-06-19 Pierre Warion , Bruno Torrésani

Metasurfaces, and in particular reconfigurable intelligent surfaces (RIS), are revolutionizing wireless communications by dynamically controlling electromagnetic waves. Recent wireless communication advancements necessitate broadband and…

信号处理 · 电气工程与系统科学 2025-03-20 Rafid Umayer Murshed , Md Shoaib Akhter Rafi , Sakib Reza , Mohammad Saquib , Ifana Mahbub

Forecasting multivariate time series data, such as prediction of electricity consumption, solar power production, and polyphonic piano pieces, has numerous valuable applications. However, complex and non-linear interdependencies between…

机器学习 · 计算机科学 2019-09-20 Shun-Yao Shih , Fan-Keng Sun , Hung-yi Lee

The power of foundation models (FMs) lies in their capacity to learn highly expressive representations that can be adapted to a broad spectrum of tasks. However, these pretrained models require additional training stages to become effective…

机器学习 · 计算机科学 2025-10-24 Jacob L. Block , Sundararajan Srinivasan , Liam Collins , Aryan Mokhtari , Sanjay Shakkottai

Performing inference on data obtained through observational studies is becoming extremely relevant due to the widespread availability of data in fields such as healthcare, education, retail, etc. Furthermore, this data is accrued from…

机器学习 · 计算机科学 2021-02-18 Ankit Sharma , Garima Gupta , Ranjitha Prasad , Arnab Chatterjee , Lovekesh Vig , Gautam Shroff

We propose meta-curvature (MC), a framework to learn curvature information for better generalization and fast model adaptation. MC expands on the model-agnostic meta-learner (MAML) by learning to transform the gradients in the inner…

机器学习 · 计算机科学 2020-01-10 Eunbyung Park , Junier B. Oliva

Recent progress in motion forecasting has been substantially driven by self-supervised pre-training. However, adapting pre-trained models for specific downstream tasks, especially motion prediction, through extensive fine-tuning is often…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Jifeng Wang , Kaouther Messaoud , Yuejiang Liu , Juergen Gall , Alexandre Alahi

Time series forecasting is critical for decision-making across dynamic domains such as energy, finance, transportation, and cloud computing. However, real-world time series often exhibit non-stationarity, including temporal distribution…

机器学习 · 计算机科学 2025-12-01 Junkai Lu , Peng Chen , Chenjuan Guo , Yang Shu , Meng Wang , Bin Yang

Transformers have been actively studied for time-series forecasting in recent years. While often showing promising results in various scenarios, traditional Transformers are not designed to fully exploit the characteristics of time-series…

机器学习 · 计算机科学 2022-06-22 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

Accurately forecasting the weather is a key requirement for climate change mitigation. Data-driven methods offer the ability to make more accurate forecasts, but lack interpretability and can be expensive to train and deploy if models are…

大气与海洋物理 · 物理学 2020-12-02 Dominic J. Skinner , Romit Maulik

In this paper, we introduce Masked Multi-Step Multivariate Forecasting (MMMF), a novel and general self-supervised learning framework for time series forecasting with known future information. In many real-world forecasting scenarios, some…

机器学习 · 计算机科学 2022-09-30 Yiwei Fu , Honggang Wang , Nurali Virani

Spatio-temporal forecasting is crucial in many domains, such as transportation, meteorology, and energy. However, real-world scenarios frequently present challenges such as signal anomalies, noise, and distributional shifts. Existing…

机器学习 · 计算机科学 2025-10-30 Wei Chen , Yuxuan Liang

Face recognition systems are usually faced with unseen domains in real-world applications and show unsatisfactory performance due to their poor generalization. For example, a well-trained model on webface data cannot deal with the ID vs.…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Jianzhu Guo , Xiangyu Zhu , Chenxu Zhao , Dong Cao , Zhen Lei , Stan Z. Li

Transfer-learning and meta-learning are two effective methods to apply knowledge learned from large data sources to new tasks. In few-class, few-shot target task settings (i.e. when there are only a few classes and training examples…

机器学习 · 计算机科学 2019-02-11 Amir Erfan Eshratifar , Mohammad Saeed Abrishami , David Eigen , Massoud Pedram

Time series modeling presents unique challenges due to autocorrelation in both historical data and future sequences. While current research predominantly addresses autocorrelation within historical data, the correlations among future labels…

机器学习 · 计算机科学 2025-05-07 Hao Wang , Licheng Pan , Zhichao Chen , Degui Yang , Sen Zhang , Yifei Yang , Xinggao Liu , Haoxuan Li , Dacheng Tao

Time-series forecasting plays an important role in many domains. Boosted by the advances in Deep Learning algorithms, it has for instance been used to predict wind power for eolic energy production, stock market fluctuations, or motor…

机器学习 · 计算机科学 2021-07-23 Luis P. Silvestrin , Leonardos Pantiskas , Mark Hoogendoorn

The long horizon forecasting (LHF) problem has come up in the time series literature for over the last 35 years or so. This review covers aspects of LHF in this period and how deep learning has incorporated variants of trend, seasonality,…

机器学习 · 计算机科学 2025-06-17 Hans Krupakar , Kandappan V A

The massive generation of time-series data by largescale Internet of Things (IoT) devices necessitates the exploration of more effective models for multivariate time-series forecasting. In previous models, there was a predominant use of the…

机器学习 · 计算机科学 2024-03-15 Wenyong Han , Tao Zhu Member , Liming Chen , Huansheng Ning , Yang Luo , Yaping Wan

Bases have become an integral part of modern deep learning-based models for time series forecasting due to their ability to act as feature extractors or future references. To be effective, a basis must be tailored to the specific set of…

机器学习 · 计算机科学 2024-01-19 Zelin Ni , Hang Yu , Shizhan Liu , Jianguo Li , Weiyao Lin
‹ 上一页 1 8 9 10 下一页 ›