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Inspired by the key principle behind the EM algorithm, we propose a general methodology for conducting wavelet estimation with irregularly-spaced data by viewing the data as the observed portion of an augmented regularly-spaced data set. We…

Statistics Theory · Mathematics 2007-06-13 Thomas C. M. Lee , Xiao-Li Meng

Recently, Transformer-base models have made significant progress in the field of time series prediction which have achieved good results and become baseline models beyond Dlinear. The paper proposes an U-Net time series prediction model…

Machine Learning · Computer Science 2024-06-07 Li Chu , Xiao Bingjia , Yuan Qiping

Channel Attention reigns supreme as an effective technique in the field of computer vision. However, the proposed channel attention by SENet suffers from information loss in feature learning caused by the use of Global Average Pooling (GAP)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hadi Salman , Caleb Parks , Shi Yin Hong , Justin Zhan

Weather forecasting plays a critical role in various sectors, driving decision-making and risk management. However, traditional methods often struggle to capture the complex dynamics of meteorological systems, particularly in the presence…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Jiaze Wang , Hao Chen , Hongcan Xu , Jinpeng Li , Bowen Wang , Kun Shao , Furui Liu , Huaxi Chen , Guangyong Chen , Pheng-Ann Heng

As the revolutionary improvement being made on the performance of smartphones over the last decade, mobile photography becomes one of the most common practices among the majority of smartphone users. However, due to the limited size of…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Linhui Dai , Xiaohong Liu , Chengqi Li , Jun Chen

Precise crop yield predictions are of national importance for ensuring food security and sustainable agricultural practices. While AI-for-science approaches have exhibited promising achievements in solving many scientific problems such as…

Machine Learning · Computer Science 2024-06-18 Fudong Lin , Kaleb Guillot , Summer Crawford , Yihe Zhang , Xu Yuan , Nian-Feng Tzeng

Dataset distillation is the technique of synthesizing smaller condensed datasets from large original datasets while retaining necessary information to persist the effect. In this paper, we approach the dataset distillation problem from a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Mingyang Chen , Bo Huang , Junda Lu , Bing Li , Yi Wang , Minhao Cheng , Wei Wang

Financial time series prediction, a growing research topic, has attracted considerable interest from scholars, and several approaches have been developed. Among them, decomposition-based methods have achieved promising results. Most…

Statistical Finance · Quantitative Finance 2023-01-02 Hamid Nasiri , Mohammad Mehdi Ebadzadeh

The generalisation of Neural Networks (NN) to multiple datasets is often overlooked in literature due to NNs typically being optimised for specific data sources. This becomes especially challenging in time-series-based multi-dataset models…

Machine Learning · Computer Science 2024-10-28 Ayman Elhalwagy , Tatiana Kalganova

Precise Tooth Cone Beam Computed Tomography (CBCT) image segmentation is crucial for orthodontic treatment planning. In this paper, we propose FDNet, a Feature Decoupled Segmentation Network, to excel in the face of the variable dental…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Xiang Feng , Chengkai Wang , Chengyu Wu , Yunxiang Li , Yongbo He , Shuai Wang , Yaiqi Wang

Object pose estimation is a key perceptual capability in robotics. We propose a fully-convolutional extension of the PoseCNN method, which densely predicts object translations and orientations. This has several advantages such as improving…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Arul Selvam Periyasamy , Catherine Capellen , Max Schwarz , Sven Behnke

This paper presents VARnet, a capable signal processing model for rapid astronomical timeseries analysis. VARnet leverages wavelet decomposition, a novel method of Fourier feature extraction via the Finite-Embedding Fourier Transform…

Instrumentation and Methods for Astrophysics · Physics 2024-09-25 Matthew Paz

In this work, we present a method that exploits a scenario with inter-Wireless Sensor Networks (WSNs) information exchange by making predictions and adapting the workload of a WSN according to their outcomes. We show the feasibility of an…

Networking and Internet Architecture · Computer Science 2016-07-13 Gabriel Martins Dias , Simon Oechsner , Boris Bellalta

This study develops and evaluates a novel hybridWavelet SARIMA Transformer, WST framework to forecast using monthly rainfall across five meteorological subdivisions of Northeast India over the 1971 to 2023 period. The approach employs the…

Applications · Statistics 2025-09-16 Junmoni Saikia , Kuldeep Goswami , Sarat C. Kakaty

Smartphones, wearables, and Internet of Things (IoT) devices produce a wealth of data that cannot be accumulated in a centralized repository for learning supervised models due to privacy, bandwidth limitations, and the prohibitive cost of…

Machine Learning · Computer Science 2020-07-28 Aaqib Saeed , Flora D. Salim , Tanir Ozcelebi , Johan Lukkien

Many remote sensing applications employ masking of pixels in satellite imagery for subsequent measurements. For example, estimating water quality variables, such as Suspended Sediment Concentration (SSC) requires isolating pixels depicting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Rangel Daroya , Luisa Vieira Lucchese , Travis Simmons , Punwath Prum , Tamlin Pavelsky , John Gardner , Colin J. Gleason , Subhransu Maji

In this paper, a hard thresholding wavelet estimator is constructed for a deconvolution model in a periodic setting that has long-range dependent noise. The estimation paradigm is based on a maxiset method that attains a near optimal rate…

Methodology · Statistics 2015-03-20 Justin Rory Wishart

Dataset Condensation (DC) aims to reduce deep neural networks training efforts by synthesizing a small dataset such that it will be as effective as the original large dataset. Conventionally, DC relies on a costly bi-level optimization…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Sahar Rahimi Malakshan , Mohammad Saeed Ebrahimi Saadabadi , Ali Dabouei , Nasser M. Nasrabadi

Weak signal learning (WSL) is a common challenge in many fields like fault diagnosis, medical imaging, and autonomous driving, where critical information is often masked by noise and interference, making feature identification difficult.…

Machine Learning · Computer Science 2025-12-30 Xianqi Liu , Xiangru Li , Lefeng He , Ziyu Fang

This paper presents an ensemble forecasting method that shows strong results on the M4 Competition dataset by decreasing feature and model selection assumptions, termed DONUT (DO Not UTilize human beliefs). Our assumption reductions,…

Machine Learning · Computer Science 2022-11-29 Lars Lien Ankile , Kjartan Krange