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Discretization invariant learning aims at learning in the infinite-dimensional function spaces with the capacity to process heterogeneous discrete representations of functions as inputs and/or outputs of a learning model. This paper…

机器学习 · 计算机科学 2022-09-07 Yong Zheng Ong , Zuowei Shen , Haizhao Yang

Learning interpretable and disentangled representations of data is a key topic in machine learning research. Variational Autoencoder (VAE) is a scalable method for learning directed latent variable models of complex data. It employs a clear…

机器学习 · 计算机科学 2020-06-04 Andriy Serdega , Dae-Shik Kim

Tag-based physical layer authentication (PLA) has garnered significant attention due to its low complexity and enhanced security. However, existing PLA schemes encounter two challenges. First, unintended user interference, which overlaps…

信息论 · 计算机科学 2026-04-09 Lei Yao , Boxiang He , Shilian Wang , Ning Xie

High impedance faults (HIFs) in distribution grids may cause wildfires and threaten human lives. Conventional protection relays at substations fail to detect more than 10\% HIFs since over-currents are low and the signatures of HIFs are…

信号处理 · 电气工程与系统科学 2021-03-17 Wenting Li , Deepjyoti Deka

This paper aims to develop an acoustic signal-based unsupervised anomaly detection method for automatic machine monitoring. Existing approaches such as deep autoencoder (DAE), variational autoencoder (VAE), conditional variational…

机器学习 · 计算机科学 2022-06-14 Harsh Purohit , Takashi Endo , Masaaki Yamamoto , Yohei Kawaguchi

Insights in power grid pixel maps (PGPMs) refer to important facility operating states and unexpected changes in the power grid. Identifying insights helps analysts understand the collaboration of various parts of the grid so that…

机器学习 · 计算机科学 2019-05-30 Tianye Zhang , Haozhe Feng , Zexian Chen , Can Wang , Yanhao Huang , Yong Tang , Wei Chen

In this paper, an unsupervised deep learning framework based on dual-path model-driven variational auto-encoders (VAE) is proposed for angle-of-arrivals (AoAs) and channel estimation in massive MIMO systems. Specifically designed for…

信号处理 · 电气工程与系统科学 2023-05-31 Zhiheng Guo , Yuanzhang Xiao , Xiang Chen

Representation learning (RL) methods for cyberattack detection face the diversity and sophistication of attack data, leading to the issue of mixed representations of different classes, particularly as the number of classes increases. To…

密码学与安全 · 计算机科学 2025-04-30 Phai Vu Dinh , Quang Uy Nguyen , Thai Hoang Dinh , Diep N. Nguyen , Bao Son Pham , Eryk Dutkiewicz

The variational autoencoder (VAE) is a popular deep latent variable model used to analyse high-dimensional datasets by learning a low-dimensional latent representation of the data. It simultaneously learns a generative model and an…

机器学习 · 计算机科学 2023-11-21 Mine Öğretir , Siddharth Ramchandran , Dimitrios Papatheodorou , Harri Lähdesmäki

Optimization of rotating electrical machines is both time- and computationally expensive. Because of the different parametrization, design optimization is commonly executed separately for each machine technology. In this paper, we present…

机器学习 · 计算机科学 2023-08-25 Vivek Parekh , Dominik Flore , Sebastian Schöps

Variational auto-encoder (VAE) is a powerful unsupervised learning framework for image generation. One drawback of VAE is that it generates blurry images due to its Gaussianity assumption and thus L2 loss. To allow the generation of high…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Lei Cai , Hongyang Gao , Shuiwang Ji

Variational autoencoders (VAEs) are powerful tools for learning latent representations of data used in a wide range of applications. In practice, VAEs usually require multiple training rounds to choose the amount of information the latent…

机器学习 · 计算机科学 2023-08-21 Juhan Bae , Michael R. Zhang , Michael Ruan , Eric Wang , So Hasegawa , Jimmy Ba , Roger Grosse

The best encoding is the one that is interpretable in nature. In this work, we introduce a novel model that incorporates an interpretable bottleneck-termed the Filter Bank (FB)-at the outset of a Variational Autoencoder (VAE). This…

机器学习 · 统计学 2023-10-19 Óscar Jiménez Rama , Fernando Moreno-Pino , David Ramírez , Pablo M. Olmos

Industrial Ethernet is a technology widely spread in factory floors and critical infrastructures where a high amount of data need to be collected and transported. Fiber optic networks at gigabit rates fit well with that type of environments…

密码学与安全 · 计算机科学 2024-01-29 Adrián Pérez-Resa , Miguel García-Bosque , Carlos Sánchez-Azqueta , Santiago Celma

We study the detection and delay performance impacts of a feature-based physical layer authentication (PLA) protocol in mission-critical machine-type communication (MTC) networks. The PLA protocol uses generalized likelihood-ratio testing…

密码学与安全 · 计算机科学 2018-06-28 Henrik Forssell , Ragnar Thobaben , Hussein Al-Zubaidy , James Gross

Our high expectations from Internet of Things (IoT) and how it will positively influence our lifestyles depend on a secure and trusted implementation of it, especially in the sensitive sectors such as health or financial. IoT platforms and…

密码学与安全 · 计算机科学 2020-08-21 Mohammad Sayad Haghighi , Orwa Nader , Alireza Jolfaei

Remote and resource-constrained Internet-of-Things (IoT) deployments often lack terrestrial connectivity for task offloading, motivating non-terrestrial networks (NTNs) with onboard multiaccess edge computing (MEC) capabilities.…

Identifying customer segments in retail banking portfolios with different risk profiles can improve the accuracy of credit scoring. The Variational Autoencoder (VAE) has shown promising results in different research domains, and it has been…

计算工程、金融与科学 · 计算机科学 2018-06-08 Rogelio Andrade Mancisidor , Michael Kampffmeyer , Kjersti Aas , Robert Jenssen

The Internet of Things (IoT) relies heavily on resource-limited devices to communicate critical (e.g., military data) information under low-energy adversarial environments and low-latency wireless channels. Authenticated Encryption (AE)…

密码学与安全 · 计算机科学 2025-10-28 Saif E. Nouma , Attila A. Yavuz

Communication technologies like voice over IP operate under constrained real-time conditions, with voice packets being subject to delays and losses from the network. In such cases, the packet loss concealment (PLC) algorithm reconstructs…

声音 · 计算机科学 2021-07-09 Santiago Pascual , Joan Serrà , Jordi Pons