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相关论文: Supervised Neural Networks for RFI Flagging

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Fast and accurate fault detection and localization in fiber optic cables is extremely important to ensure the optical network survivability and reliability. Hence there exists a crucial need to develop an automatic and reliable algorithm…

信号处理 · 电气工程与系统科学 2022-03-29 Khouloud Abdelli , Helmut Griesser , Stephan Pachnicke

Resting state fMRI is an imaging modality which reveals brain activity localization through signal changes, in what is known as Resting State Networks (RSNs). This technique is gaining popularity in neurosurgical pre-planning to visualize…

机器学习 · 计算机科学 2022-09-22 Sejal Ghate , Alberto Santamaria-Pang , Ivan Tarapov , Haris I Sair , Craig K Jones

Fiber nonlinear interference (NLI) modeling and monitoring are the key building blocks to support elastic optical networks (EONs). In the past, they were normally developed and investigated separately. Moreover, the accuracy of the…

信号处理 · 电气工程与系统科学 2019-06-26 Qunbi Zhuge , Xiaobo Zeng , Huazhi Lun , Meng Cai , Xiaomin Liu , Weisheng Hu

Time-frequency images (TFIs) provide a joint time-frequency representation of a signal and have become an effective tool for analyzing, characterizing, and processing non-stationary signals. Deep learning (DL) techniques have become…

信号处理 · 电气工程与系统科学 2023-02-23 Mehmet Parlak

Fluorescence lifetime imaging (FLI) is an important technique for studying cellular environments and molecular interactions, but its real-time application is limited by slow data acquisition, which requires capturing large time-resolved…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Ismail Erbas , Vikas Pandey , Aporva Amarnath , Naigang Wang , Karthik Swaminathan , Stefan T. Radev , Xavier Intes

We propose rectified factor networks (RFNs) to efficiently construct very sparse, non-linear, high-dimensional representations of the input. RFN models identify rare and small events in the input, have a low interference between code units,…

机器学习 · 计算机科学 2018-01-31 Djork-Arné Clevert , Andreas Mayr , Thomas Unterthiner , Sepp Hochreiter

Radio-frequency fingerprints~(RFFs) are promising solutions for realizing low-cost physical layer authentication. Machine learning-based methods have been proposed for RFF extraction and discrimination. However, most existing methods are…

机器学习 · 计算机科学 2021-08-11 Renjie Xie , Wei Xu , Yanzhi Chen , Jiabao Yu , Aiqun Hu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

We consider the problem of classifying radar pulses given raw I/Q waveforms in the presence of noise and absence of synchronization. We also consider the problem of classifying multiple superimposed radar pulses. For both, we design deep…

机器学习 · 计算机科学 2021-12-06 Michael Wharton , Anne M. Pavy , Philip Schniter

Does Federated Learning (FL) work when both uplink and downlink communications have errors? How much communication noise can FL handle and what is its impact to the learning performance? This work is devoted to answering these practically…

信息论 · 计算机科学 2021-12-06 Xizixiang Wei , Cong Shen

Neural networks (NNs) inspired by the forward-backward algorithm (FBA) are used as equalizers for bandlimited channels with a memoryless nonlinearity. The NN-equalizers are combined with successive interference cancellation (SIC) to…

Radio interferometers are phased arrays producing high-resolution images from the covariance matrix of measurements. Calibration of such instruments is necessary and is a critical task. This is how the estimation of instrumental errors is…

天体物理仪器与方法 · 物理学 2023-09-26 Yassine Mhiri , Mohammed Nabil El Korso , Arnaud Breloy , Pascal Larzabal

The paper considers the problem of deep-learning-based classification of digitally modulated signals using I/Q data and studies the generalization ability of a trained neural network (NN) to correctly classify digitally modulated signals it…

信号处理 · 电气工程与系统科学 2023-07-06 John A. Snoap , Dimitrie C. Popescu , Chad M. Spooner

A deep neural network (NN) is used to simultaneously detect laser beams in images and measure their center coordinates, radii and angular orientations. A dataset of images containing simulated laser beams and a dataset of images with…

光学 · 物理学 2022-02-17 Lucas R. Hofer , Milan Krstajić , Robert P. Smith

Adding to the literature on the data-driven detection of bid-rigging cartels, we propose a novel approach based on deep learning (a subfield of artificial intelligence) that flags cartel participants based on their pairwise bidding…

机器学习 · 统计学 2021-04-23 Martin Huber , David Imhof

We investigate the effect of radio-frequency interference (RFI) excision in estimating the cosmological \hi\ 21 cm power spectrum. Flagging of RFI-contaminated channels results in a non-uniform sampling of the instrumental bandpass…

宇宙学与河外天体物理 · 物理学 2022-04-27 Arnab Chakraborty , Abhirup Datta , Aishrila Mazumder

The fine timing measurement (FTM) protocol is designed to determine precise ranging between Wi-Fi devices using round-trip time (RTT) measurements. However, the multipath propagation of radio waves generates inaccurate timing information,…

网络与互联网体系结构 · 计算机科学 2021-12-30 Jeongsik Choi

Recurrent Neural Networks (RNNs) achieve state-of-the-art results in many sequence-to-sequence modeling tasks. However, RNNs are difficult to train and tend to suffer from overfitting. Motivated by the Data Processing Inequality (DPI), we…

机器学习 · 统计学 2018-05-24 Ziv Aharoni , Gal Rattner , Haim Permuter

Spiking Neural Networks (SNNs) offer a promising alternative to conventional Artificial Neural Networks (ANNs) for the implementation of on-device low-power online learning and inference. On-device training is, however, constrained by the…

机器学习 · 计算机科学 2019-10-24 Nicolas Skatchkovsky , Hyeryung Jang , Osvaldo Simeone

To ensure flight safety of aircraft structures, it is necessary to have regular maintenance using visual and nondestructive inspection (NDI) methods. In this paper, we propose an automatic image-based aircraft defect detection using Deep…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Touba Malekzadeh , Milad Abdollahzadeh , Hossein Nejati , Ngai-Man Cheung

In recent years, Deep Learning (DL) has been successfully applied to detect and classify Radio Frequency (RF) Signals. A DL approach is especially useful since it identifies the presence of a signal without needing full protocol…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Hilal Elyousseph , Majid L Altamimi