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One of the most common approaches to the analysis of dynamic networks is through time-window aggregation. The resulting representation is a sequence of static networks, i.e. the snapshot graph. Despite this representation being widely used…

社会与信息网络 · 计算机科学 2021-12-07 Alessandro Chiappori , Rémy Cazabet

Remaining useful life prediction plays a crucial role in the health management of industrial systems. Given the increasing complexity of systems, data-driven predictive models have attracted significant research interest. Upon reviewing the…

机器学习 · 计算机科学 2024-01-30 Zhixin Huang , Yujiang He , Bernhard Sick

Texture recognition is a fundamental problem in computer vision and pattern recognition. Recent progress leverages feature aggregation into discriminative descriptions based on convolutional neural networks (CNNs). However, modeling…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Bo Peng , Jintao Chen , Mufeng Yao , Chenhao Zhang , Jianghui Zhang , Mingmin Chi , Jiang Tao

Convolutional Neural Networks (CNNs) have demonstrated state-of-the-art performance on many visual recognition tasks. However, the combination of convolution and pooling operations only shows invariance to small local location changes in…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Xu Shen , Xinmei Tian , Shaoyan Sun , Dacheng Tao

Graphs are a powerful representation tool in machine learning applications, with link prediction being a key task in graph learning. Temporal link prediction in dynamic networks is of particular interest due to its potential for solving…

机器学习 · 计算机科学 2024-01-17 Sanaz Hasanzadeh Fard , Mohammad Ghassemi

Autonomous robots enjoy a wide popularity nowadays and have been applied in many applications, such as home security, entertainment, delivery, navigation and guidance. It is vital to robots to track objects accurately in these applications,…

计算机视觉与模式识别 · 计算机科学 2016-08-11 Mengmeng Wang , Yong Liu

Temporal graphs are commonly used to represent complex systems and track the evolution of their constituents over time. Visualizing these graphs is crucial as it allows one to quickly identify anomalies, trends, patterns, and other…

人机交互 · 计算机科学 2025-02-24 Raphaël Tinarrage , Jean R. Ponciano , Claudio D. G. Linhares , Agma J. M. Traina , Jorge Poco

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

This paper studies coordination problem for time-varying networks suffering from antagonistic information, quantified by scaling parameters. By such a manner, interacting property of the participating individuals and antagonistic…

系统与控制 · 电气工程与系统科学 2021-08-10 Wentao Zhang

Graph embedding based on random-walks supports effective solutions for many graph-related downstream tasks. However, the abundance of embedding literature has made it increasingly difficult to compare existing methods and to identify…

机器学习 · 计算机科学 2021-10-26 Zexi Huang , Arlei Silva , Ambuj Singh

In recent years, machine learning and deep learning approaches such as artificial neural networks have gained in popularity for the resolution of automatic puzzle resolution problems. Indeed, these methods are able to extract high-level…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Cecilia Ostertag , Marie Beurton-Aimar

Higher-dimensional orthogonal packing problems have a wide range of practical applications, including packing, cutting, and scheduling. Previous efforts for exact algorithms have been unable to avoid structural problems that appear for…

数据结构与算法 · 计算机科学 2007-05-23 Sandor P. Fekete , Joerg Schepers

Thank you very much for the attention and concern of colleagues and scholars in this work. With the comments and guidance of experts, editors, and reviewers, this work has been accepted for publishing in the journal "Process Safety and…

机器学习 · 计算机科学 2023-10-06 Hao Ren , Xiaojun Liang , Chunhua Yang , Zhiwen Chen , Weihua Gui

The classification of time-series data is pivotal for streaming data and comes with many challenges. Although the amount of publicly available datasets increases rapidly, deep neural models are only exploited in a few areas. Traditional…

机器学习 · 计算机科学 2021-09-27 Dominique Mercier , Andreas Dengel , Sheraz Ahmed

Matchings and coverings are central topics in graph theory. The close relationship between these two has been key to many fundamental algorithmic and polyhedral results. For mixed graphs, the notion of matching forest was proposed as a…

组合数学 · 数学 2019-10-18 Tamás Király , Yu Yokoi

Many applications collect a large number of time series, for example, the financial data of companies quoted in a stock exchange, the health care data of all patients that visit the emergency room of a hospital, or the temperature sequences…

信息论 · 计算机科学 2017-02-09 Jonathan Mei , José M. F. Moura

Machine learning models used in medical applications often face challenges due to the covariate shift, which occurs when there are discrepancies between the distributions of training and target data. This can lead to decreased predictive…

机器学习 · 计算机科学 2024-12-24 Mingyang Cai , Thomas Klausch , Mark A. van de Wiel

In this paper, we present a flexible and probabilistic framework for tracking topological features in time-varying scalar fields using merge trees and partial optimal transport. Merge trees are topological descriptors that record the…

计算几何 · 计算机科学 2025-08-26 Mingzhe Li , Xinyuan Yan , Lin Yan , Tom Needham , Bei Wang

We consider the problem of classification of an object given multiple observations that possibly include different transformations. The possible transformations of the object generally span a low-dimensional manifold in the original signal…

计算机视觉与模式识别 · 计算机科学 2009-07-27 Effrosyni Kokiopoulou , Pascal Frossard

In this paper we address the problem of understanding the success of algorithms that organize patches according to graph-based metrics. Algorithms that analyze patches extracted from images or time series have led to state-of-the art…

数据分析、统计与概率 · 物理学 2011-07-05 Kye M. Taylor , Francois G. Meyer