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This paper presents a novel micro-Doppler energy-based framework for robust multi-target vital signs monitoring using 77-GHz Frequency-Modulated Continuous-Wave (FMCW) radar. Unlike conventional phase-based methods that are susceptible to…

信号处理 · 电气工程与系统科学 2025-10-23 Chenxing Tan , Yuguan Hou , Hao Wang , Zhonghao Yuan

In this work, a cost-efficient space-time adaptive algorithm based on the Dual Weighted Residual (DWR) method is developed and studied for a coupled model problem of flow and convection-dominated transport. Key ingredients are a multirate…

数值分析 · 数学 2024-07-19 Marius Paul Bruchhäuser , Markus Bause

Dynamic programming (DP) solves a variety of structured combinatorial problems by iteratively breaking them down into smaller subproblems. In spite of their versatility, DP algorithms are usually non-differentiable, which hampers their use…

机器学习 · 统计学 2018-02-21 Arthur Mensch , Mathieu Blondel

Dynamic Time Warping (DTW) and Geometric Edit Distance (GED) are basic similarity measures between curves or general temporal sequences (e.g., time series) that are represented as sequences of points in some metric space $(X,…

数据结构与算法 · 计算机科学 2020-01-29 Omer Gold , Micha Sharir

There is an increasing demand for scalable algorithms capable of clustering and analyzing large time series datasets. The Kohonen self-organizing map (SOM) is a type of unsupervised artificial neural network for visualizing and clustering…

机器学习 · 计算机科学 2021-08-27 Ali Javed , Donna M. Rizzo , Byung Suk Lee , Robert Gramling

In real-world time series recognition applications, it is possible to have data with varying length patterns. However, when using artificial neural networks (ANN), it is standard practice to use fixed-sized mini-batches. To do this, time…

机器学习 · 计算机科学 2022-12-14 Brian Kenji Iwana

We resolve the randomized one-way communication complexity of Dynamic Time Warping (DTW) distance. We show that there is an efficient one-way communication protocol using $\widetilde{O}(n/\alpha)$ bits for the problem of computing an…

数据结构与算法 · 计算机科学 2019-03-11 Vladimir Braverman , Moses Charikar , William Kuszmaul , David P. Woodruff , Lin F. Yang

The paper aims to reveal the relationship between the performance of moving object tracking algorithms and the tracking anchors (station) deployment. The Dilution of Precision (DoP) for Time difference of arrival (TDoA) technique with…

信号处理 · 电气工程与系统科学 2021-12-13 Fengyun Zhang , Hao Li , Yulong Ding , Shuang-Hua Yang , Li Yang

Despite growing interest in incorporating feedback to improve language models, most efforts focus only on sequence-level annotations. In this work, we explore the potential of utilizing fine-grained span-level annotations from offline…

计算与语言 · 计算机科学 2024-10-23 Lily H. Zhang , Hamid Dadkhahi , Mara Finkelstein , Firas Trabelsi , Jiaming Luo , Markus Freitag

Dynamic time warping ($\texttt{DTW}$) is one of the most used distance functions to compare time series, e.$\,$g. in nearest neighbor classifiers. Yet, fast state of the art algorithms only compare 1-dimensional time series efficiently. One…

数据结构与算法 · 计算机科学 2018-11-28 Jörg P. Bachmann , Johann-Christoph Freytag

Diffusion tensor imaging (DTI) holds significant importance in clinical diagnosis and neuroscience research. However, conventional model-based fitting methods often suffer from sensitivity to noise, leading to decreased accuracy in…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Jialong Li , Zhicheng Zhang , Yunwei Chen , Qiqi Lu , Ye Wu , Xiaoming Liu , QianJin Feng , Yanqiu Feng , Xinyuan Zhang

In this paper, we study CPU utilization time patterns of several Map-Reduce applications. After extracting running patterns of several applications, the patterns with their statistical information are saved in a reference database to be…

分布式、并行与集群计算 · 计算机科学 2013-01-30 Nikzad Babaii Rizvandi , Javid Taheri , Albert Y. Zomaya , Reza Moraveji

Reliable long-term forecasting of PM2.5 concentrations is critical for public health early-warning systems, yet existing deep learning approaches struggle to maintain prediction stability beyond 48 hours, especially in cities with sparse…

机器学习 · 计算机科学 2025-10-28 Amirali Ataee Naeini , Arshia Ataee Naeini , Fatemeh Karami Mohammadi , Omid Ghaffarpasand

Among many existing distance measures for time series data, Dynamic Time Warping (DTW) distance has been recognized as one of the most accurate and suitable distance measures due to its flexibility in sequence alignment. However, DTW…

数据库 · 计算机科学 2009-06-16 Vit Niennattrakul , Pongsakorn Ruengronghirunya , Chotirat Ann Ratanamahatana

This paper presents a computational methodology for analyzing intonation and deriving tuning systems in microtonal oral traditions, utilizing pitch histograms, Dynamic Time Warping (DTW), and optimization techniques, with a case study on a…

声音 · 计算机科学 2025-08-29 Sepideh Shafiei , Shapour Hakam

1-Nearest Neighbor with the Dynamic Time Warping (DTW) distance is one of the most effective classifiers on time series domain. Since the global constraint has been introduced in speech community, many global constraint models have been…

人工智能 · 计算机科学 2009-03-03 Vit Niennattrakul , Chotirat Ann Ratanamahatana

In recent years, Muon has emerged as the dominant method for training large language models, and transformers more broadly. The essential difference, when compared to standard gradient descent methods, is to replace the usual update matrix…

机器学习 · 计算机科学 2026-05-25 Fangzhou Wu , Rikhav Shah , Sandeep Silwal , Qiuyi Zhang

We propose an efficient workflow for high-quality offline alignment of in-the-wild performance audio and corresponding sheet music scans (images). Recent work on audio-to-score alignment extends dynamic time warping (DTW) to be…

声音 · 计算机科学 2024-11-13 Irmak Bukey , Michael Feffer , Chris Donahue

We describe an adaptive context tree weighting (ACTW) algorithm, as an extension to the standard context tree weighting (CTW) algorithm. Unlike the standard CTW algorithm, which weights all observations equally regardless of the depth, ACTW…

信息论 · 计算机科学 2012-01-11 Alexander O'Neill , Marcus Hutter , Wen Shao , Peter Sunehag

This work explores Doppler information from a millimetre-Wave (mm-W) Frequency-Modulated Continuous-Wave (FMCW) scanning radar to make odometry estimation more robust and accurate. Firstly, doppler information is added to the scan masking…

机器人学 · 计算机科学 2023-12-15 Fraser Rennie , David Williams , Paul Newman , Daniele De Martini