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High-Throughput materials discovery involves the rapid synthesis, measurement, and characterization of many different but structurally-related materials. A key problem in materials discovery, the phase map identification problem, involves…

The in-depth analysis of time series has gained a lot of research interest in recent years, with the identification of periodic patterns being one important aspect. Many of the methods for identifying periodic patterns require time series'…

机器学习 · 计算机科学 2019-11-15 Maximilian Toller , Roman Kern

A highly comparative, feature-based approach to time series classification is introduced that uses an extensive database of algorithms to extract thousands of interpretable features from time series. These features are derived from across…

机器学习 · 计算机科学 2017-11-10 Ben D. Fulcher , Nick S. Jones

Smart focal-plane and in-chip image processing has emerged as a crucial technology for vision-enabled embedded systems with energy efficiency and privacy. However, the lack of special datasets providing examples of the data that these…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Riadul Islam , Sri Ranga Sai Krishna Tummala , Joey Mulé , Rohith Kankipati , Suraj Jalapally , Dhandeep Challagundla , Chad Howard , Ryan Robucci

Errors are prevalent in time series data, such as GPS trajectories or sensor readings. Existing methods focus more on anomaly detection but not on repairing the detected anomalies. By simply filtering out the dirty data via anomaly…

数据库 · 计算机科学 2020-03-30 Aoqian Zhang , Shaoxu Song , Jianmin Wang , Philip S. Yu

A 3-D spatiotemporal prediction-error filter (PEF), is used to enhance foreground/background contrast in (real and simulated) sensor image sequences. Relative velocity is utilized to extract point-targets that would otherwise be…

计算机视觉与模式识别 · 计算机科学 2015-01-20 Hugh L. Kennedy

In Data Assimilation, observations are fused with simulations to obtain an accurate estimate of the state and parameters for a given physical system. Combining data with a model, however, while accurately estimating uncertainty, is…

计算工程、金融与科学 · 计算机科学 2024-06-05 Nikolaj T. Mücke , Sander M. Bohté , Cornelis W. Oosterlee

We introduce a deepfake video detection approach that exploits pixel-wise temporal inconsistencies, which traditional spatial frequency-based detectors often overlook. Traditional detectors represent temporal information merely by stacking…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Taehoon Kim , Jongwook Choi , Yonghyun Jeong , Haeun Noh , Jaejun Yoo , Seungryul Baek , Jongwon Choi

Particle accelerators are complex facilities that produce large amounts of structured data and have clear optimization goals as well as precisely defined control requirements. As such they are naturally amenable to data-driven research…

加速器物理 · 物理学 2023-03-01 Sichen Li , Andreas Adelmann

Satellite image time series, bolstered by their growing availability, are at the forefront of an extensive effort towards automated Earth monitoring by international institutions. In particular, large-scale control of agricultural parcels…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Vivien Sainte Fare Garnot , Loic Landrieu , Sebastien Giordano , Nesrine Chehata

Time series classification stands as a pivotal and intricate challenge across various domains, including finance, healthcare, and industrial systems. In contemporary research, there has been a notable upsurge in exploring feature extraction…

机器学习 · 计算机科学 2024-07-24 Alireza Keshavarzian , Shahrokh Valaee

Shapelet-based algorithms are widely used for time series classification because of their ease of interpretation, but they are currently outperformed by recent state-of-the-art approaches. We present a new formulation of time series…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Antoine Guillaume , Christel Vrain , Elloumi Wael

Introduction: Long-term time series forecasting (LTSF) has gained significant attention in recent years. While various specialized designs exist for capturing temporal dependency, recent studies have shown that even a single linear layer…

机器学习 · 计算机科学 2026-05-19 Zhe Li , Shiyi Qi , Yiduo Li , Zenglin Xu

Anomaly detection (AD) plays a crucial role in time series applications, primarily because time series data is employed across real-world scenarios. Detecting anomalies poses significant challenges since anomalies take diverse forms making…

机器学习 · 计算机科学 2025-01-03 Jihan Ghanim , Mariette Awad

This paper proposes the \emph{multiresolution mode decomposition} as a novel model for adaptive time series analysis. The main conceptual innovation is the introduction of the \emph{multiresolution intrinsic mode function} (MIMF) of the…

数值分析 · 数学 2019-08-30 Haizhao Yang

Dense image prediction tasks demand features with strong category information and precise spatial boundary details at high resolution. To achieve this, modern hierarchical models often utilize feature fusion, directly adding upsampled…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Linwei Chen , Ying Fu , Lin Gu , Chenggang Yan , Tatsuya Harada , Gao Huang

Crop mapping involves identifying and classifying crop types using spatial data, primarily derived from remote sensing imagery. This study presents the first comprehensive review of large-scale, pixel-wise crop mapping workflows,…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Judy Long , Tao Liu , Sean Alexander Woznicki , Miljana Marković , Oskar Marko , Molly Sears

Data preparation, i.e. the process of transforming raw data into a format that can be used for training effective machine learning models, is a tedious and time-consuming task. For image data, preprocessing typically involves a sequence of…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Tran Ngoc Minh , Mathieu Sinn , Hoang Thanh Lam , Martin Wistuba

A significant portion of the effort involved in advanced process control, process analytics, and machine learning involves acquiring and preparing data. Literature often emphasizes increasingly complex modelling techniques with incremental…

系统与控制 · 电气工程与系统科学 2023-04-07 Lim C. Siang , Shams Elnawawi , Lee D. Rippon , Daniel L. O'Connor , R. Bhushan Gopaluni

Conventional defect detection systems in Automated Fibre Placement (AFP) typically rely on end-to-end supervised learning, necessitating a substantial number of labelled defective samples for effective training. However, the scarcity of…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Assef Ghamisi , Todd Charter , Li Ji , Maxime Rivard , Gil Lund , Homayoun Najjaran