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Reliable and accurate prediction of time series plays a crucial role in maritime industry, such as economic investment, transportation planning, port planning and design, etc. The dynamic growth of maritime time series has the predominantly…

计算工程、金融与科学 · 计算机科学 2019-05-14 Yan Li , Ryan Wen Liu , Zhao Liu , Jingxian Liu

Hyperspectral imagery encodes rich material properties that can improve tracking robustness under appearance ambiguity, illumination change, and background clutter. However, due to the limited availability of hyperspectral video data, many…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Xu Han , Mohammad Aminul Islam , Lei Wang , Zekun Long , Guanmanyi Fu , Wangshu Cai , Kuldip K. Paliwal , Jun Zhou

Deep learning techniques have achieved specific results in recording device source identification. The recording device source features include spatial information and certain temporal information. However, most recording device source…

声音 · 计算机科学 2022-12-06 Chunyan Zeng , Dongliang Zhu , Zhifeng Wang , Minghu Wu , Wei Xiong , Nan Zhao

Operational forecasting centers are investing in decadal (1-10 year) forecast systems to support long-term decision making for a more climate-resilient society. One method that has previously been employed is the Dynamic Mode Decomposition…

机器学习 · 计算机科学 2021-06-22 Eduardo Rodrigues , Bianca Zadrozny , Campbell Watson , David Gold

This paper introduces an extended tensor decomposition (XTD) method for model reduction. The proposed method is based on a sparse non-separated enrichment to the conventional tensor decomposition, which is expected to improve the…

数值分析 · 数学 2023-11-07 Ye Lu , Satyajit Mojumder , Jiachen Guo , Yangfan Li , Wing Kam Liu

Mid-term electricity load forecasting (LF) plays a critical role in power system planning and operation. To address the issue of error accumulation and transfer during the operation of existing LF models, a novel model called error…

机器学习 · 计算机科学 2023-06-21 Liping Zhang , Di Wu , Xin Luo

Reliable long-lead forecasting of the El Nino Southern Oscillation (ENSO) remains a long-standing challenge in climate science. The previously developed Multimodal ENSO Forecast (MEF) model uses 80 ensemble predictions by two independent…

大气与海洋物理 · 物理学 2025-08-27 Saghar Ganji , Ahmad Reza Labibzadeh , Alireza Hassani , Mohammad Naisipour

Conversion rate (CVR) prediction is one of the most critical tasks for digital display advertising. Commercial systems often require to update models in an online learning manner to catch up with the evolving data distribution. However,…

机器学习 · 计算机科学 2021-07-19 Jia-Qi Yang , Xiang Li , Shuguang Han , Tao Zhuang , De-Chuan Zhan , Xiaoyi Zeng , Bin Tong

An accurate prediction of crude oil prices over long future horizons is challenging and of great interest to governments, enterprises, and investors. This paper proposes a revised hybrid model built upon empirical mode decomposition (EMD)…

机器学习 · 计算机科学 2014-01-10 Tao Xiong , Yukun Bao , Zhongyi Hu

Hybrid methods have been shown to outperform pure statistical and pure deep learning methods at forecasting tasks and quantifying the associated uncertainty with those forecasts (prediction intervals). One example is Exponential Smoothing…

机器学习 · 计算机科学 2021-12-17 Thabang Mathonsi , Terence L. van Zyl

Recent end-to-end multi-object detectors simplify the inference pipeline by removing hand-crafted processes such as non-maximum suppression (NMS). However, during training, they still heavily rely on heuristics and hand-crafted processes…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Jaeyoung Yoo , Hojun Lee , Seunghyeon Seo , Inseop Chung , Nojun Kwak

Time series forecasting plays a crucial role in diverse fields, necessitating the development of robust models that can effectively handle complex temporal patterns. In this article, we present a novel feature selection method embedded in…

机器学习 · 计算机科学 2024-01-01 Raquel Espinosa , Fernando Jiménez , José Palma

The predictive advantage of combining several different predictive models is widely accepted. Particularly in time series forecasting problems, this combination is often dynamic to cope with potential non-stationary sources of variation…

机器学习 · 统计学 2021-04-06 Vitor Cerqueira , Luis Torgo , Carlos Soares , Albert Bifet

A Single Ensemble Empirical Mode Decomposition (SEEMD) is proposed for locating the damage in rolling element bearings. The SEEMD does not require a number of ensembles from the addition or subtraction of noise every time while processing…

信号处理 · 电气工程与系统科学 2025-02-13 Yaakoub Berrouche , Govind Vashishtha , Sumika Chauhan , Radoslaw Zimroz

Recent studies have demonstrated improved skill in numerical weather prediction via the use of spatially correlated observation error covariance information in data assimilation systems. In this case, the observation weighting matrices…

数值分析 · 数学 2022-01-05 Guannan Hu , Sarah L. Dance

The matrix exponential spatial models exhibit similarities to the conventional spatial autoregressive model in spatial econometrics but offer analytical, computational, and interpretive advantages. This paper provides a comprehensive review…

计量经济学 · 经济学 2023-11-28 Ye Yang , Osman Dogan , Suleyman Taspinar , Fei Jin

A non-parametric complementary ensemble empirical mode decomposition (NPCEEMD) is proposed for identifying bearing defects using weak features. NPCEEMD is non-parametric because, unlike existing decomposition methods such as ensemble…

信号处理 · 电气工程与系统科学 2023-10-03 Anil Kumar , Yaakoub Berrouche , Radosław Zimroz , Govind Vashishtha , Sumika Chauhan , C. P. Gandhi , Hesheng Tang , Jiawei Xiang

Recently, applied sciences, including longitudinal and clustered studies in biomedicine require the analysis of ultra-high dimensional linear mixed effects models where we need to select important fixed effect variables from a vast pool of…

统计方法学 · 统计学 2020-05-01 Abhik Ghosh , Magne Thoresen

Effect modification occurs when the effect of the treatment on an outcome differs according to the level of a third variable (the effect modifier, EM). A natural way to assess effect modification is by subgroup analysis or include the…

统计方法学 · 统计学 2021-12-22 Asma Bahamyirou , Mireille E. Schnitzer , Edward H. Kennedy , Lucie Blais , Yi Yang

Climate change exacerbates extreme weather events like heavy rainfall and flooding. As these events cause severe socioeconomic damage, accurate high-resolution simulation of precipitation is imperative. However, existing Earth System Models…

地球物理 · 物理学 2026-02-03 Michael Aich , Philipp Hess , Baoxiang Pan , Sebastian Bathiany , Yu Huang , Niklas Boers