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Deep neural networks need to make robust inference in the presence of occlusion, background clutter, pose and viewpoint variations -- to name a few -- when the task of person re-identification is considered. Attention mechanisms have…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Jieming Zhou , Soumava Kumar Roy , Pengfei Fang , Mehrtash Harandi , Lars Petersson

Cellular traffic prediction is of great importance for operators to manage network resources and make decisions. Traffic is highly dynamic and influenced by many exogenous factors, which would lead to the degradation of traffic prediction…

机器学习 · 计算机科学 2025-06-23 Hui Ma , Kai Yang , Man-On Pun

The throughput performance of a random cooperative medium access control (CoopMAC) network in the presence of shadowing is considered. The nodes are assumed to be randomly distributed according to a homogeneous two-dimensional Poisson point…

网络与互联网体系结构 · 计算机科学 2016-12-20 Homa Nikbakht , Amir Masoud Rabiei , Vahid Shah-Mansouri

This paper presents an optimization approach for cooperative Medium Access Control (MAC) techniques in Vehicular Ad Hoc Networks (VANETs) equipped with Roadside Unit (RSU) to enhance network throughput. Our method employs a distributed…

信号处理 · 电气工程与系统科学 2024-02-16 Zhou Zhang , Saman Atapattu , Yizhu Wang , Sumei Sun , Kandeepan Sithamparanathan

Compute-forward multiple access (CFMA) is a multiple access transmission scheme based on Compute-and-Forward (CF) which allows the receiver to first decode linear combinations of the transmitted signals and then solve for individual…

信息论 · 计算机科学 2023-05-29 Lanwei Zhang , Jamie Evans , Jingge Zhu

Many analytical models have been proposed for evaluating the performance of event-driven 802.15.4 Wireless Sensor Networks (WSNs), in Non-Beacon Enabled (NBE) mode. However, existing models do not provide accurate analysis of large-scale…

网络与互联网体系结构 · 计算机科学 2022-05-31 Domenico De Guglielmo , Francesco Restuccia , Giuseppe Anastasi , Marco Conti , Sajal K. Das

From genetic regulatory networks to nervous systems, the interactions between elements in biological networks often take a sigmoidal or S-shaped form. This paper develops a probabilistic characterization of the parameter space of…

神经元与认知 · 定量生物学 2010-10-11 Randall D. Beer , Bryan Daniels

In this paper, throughput and energy efficiency of cognitive multiple-input multiple-output (MIMO) systems operating under quality-of-service (QoS) constraints, interference limitations, and imperfect channel sensing, are studied. It is…

信息论 · 计算机科学 2013-08-22 Sami Akin , Mustafa Cenk Gursoy

Previous work on ad hoc network capacity has focused primarily on source-destination throughput requirements for different models and transmission scenarios, with an emphasis on delay tolerant applications. In such problems, network…

信息论 · 计算机科学 2007-07-13 Cristina Comaniciu , H. Vincent Poor

A new approach to the steady state detection in the uniformization method of solving continuous time Markov chains is introduced. The method is particularly useful in solving inhomogenous CTMC's in multiple steps, where the desired error…

性能 · 计算机科学 2014-10-14 Maciej Burak

Structured stochastic processes evolving in continuous time present a widely adopted framework to model phenomena occurring in nature and engineering. However, such models are often chosen to satisfy the Markov property to maintain…

机器学习 · 统计学 2020-07-06 Nicolai Engelmann , Dominik Linzner , Heinz Koeppl

Time series forecasting is essential for a wide range of real-world applications. Recent studies have shown the superiority of Transformer in dealing with such problems, especially long sequence time series input(LSTI) and long sequence…

机器学习 · 计算机科学 2022-02-15 Li Shen , Yangzhu Wang

We propose a neural network model with transient chaos, or a transiently chaotic neural network (TCNN) as an approximation method for combinatorial optimization problem, by introducing transiently chaotic dynamics into neural networks.…

chao-dyn · 物理学 2008-02-03 Luonan Chen , Kazuyuki Aihara

Network intrusion detection is critical for securing modern networks, yet the complexity of network traffic poses significant challenges to traditional methods. This study proposes a Temporal Convolutional Network(TCN) model featuring a…

密码学与安全 · 计算机科学 2025-02-11 Rukmini Nazre , Rujuta Budke , Omkar Oak , Suraj Sawant , Amit Joshi

In this paper we develop the elements of the theory of algorithmic randomness in continuous-time Markov chains (CTMCs). Our main contribution is a rigorous, useful notion of what it means for an individual trajectory of a CTMC to be random.…

信息论 · 计算机科学 2025-10-21 Xiang Huang , Jack H. Lutz , Neil Lutz , Andrei N. Migunov

In recent years, convolutional neural networks (CNNs) with channel-wise feature refining mechanisms have brought noticeable benefits to modelling channel dependencies. However, current attention paradigms fail to infer an optimal channel…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Nick Nikzad , Yongsheng Gao , Jun Zhou

In this study, we first investigate a novel capsule network with dynamic routing for linear time Neural Machine Translation (NMT), referred as \textsc{CapsNMT}. \textsc{CapsNMT} uses an aggregation mechanism to map the source sentence into…

计算与语言 · 计算机科学 2020-10-13 Mingxuan Wang , Jun Xie , Zhixing Tan , Jinsong Su , Deyi Xiong , Lei Li

Wireless Mesh Networks (WMNs) technology has been used in recent years for broadband access in both cities and rural areas. A key development is to equip routers with multiple directional antennas so that these routers can transmit to, or…

网络与互联网体系结构 · 计算机科学 2016-07-08 Yuanhuizi Xu , Kwan-Wu Chin , Sieteng Soh

We study performance characteristics of convolutional neural networks (CNN) for mobile computer vision systems. CNNs have proven to be a powerful and efficient approach to implement such systems. However, the system performance depends…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jussi Hanhirova , Teemu Kämäräinen , Sipi Seppälä , Matti Siekkinen , Vesa Hirvisalo , Antti Ylä-Jääski

Contextual information has been shown to be powerful for semantic segmentation. This work proposes a novel Context-based Tandem Network (CTNet) by interactively exploring the spatial contextual information and the channel contextual…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Zechao Li , Yanpeng Sun , Jinhui Tang