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It is well known that GNSS receivers are vulnerable to jamming and spoofing attacks, and numerous such incidents have been reported in the last decade all over the world. The notion of participatory sensing, or crowdsensing, is that a large…

信号处理 · 电气工程与系统科学 2023-05-04 Glädje Karl Olsson , Sara Nilsson , Erik Axell , Erik G. Larsson , Panos Papadimitratos

An algorithm based on Artificial Neural Networks is proposed in this paper to improve the accuracy of Inertial Navigation System (INS)/ Global Navigation Satellite System (GNSS) integrated navigation during the absence of GNSS signals. The…

信号处理 · 电气工程与系统科学 2020-10-07 Uche Onyekpe , Vasile Palade , Stratis Kanarachos

We investigate low-cost GNSS anti-jamming using beamforming with inexpensive 2-bit phase shifters, constraining each complex array weight to one of four QPSK phase states (real/imaginary = -1 or +1). This severe quantization sharply limits…

信息论 · 计算机科学 2026-05-12 Burak Soner , Ekin Uzun , Can Aksoy

Machine learning is currently a trending topic in various science and engineering disciplines, and the field of geophysics is no exception. With the advent of powerful computers, it is now possible to train the machine to learn complex…

计算工程、金融与科学 · 计算机科学 2018-05-02 Debjani Bhowmick , Deepak K. Gupta , Saumen Maiti , Uma Shankar

The detection and classification of anomalies in gravitational wave data plays a critical role in improving the sensitivity of searches for signals of astrophysical origins. We present ABNORMAL (AI Based Nonstationarity Observer for…

广义相对论与量子宇宙学 · 物理学 2025-08-28 Yi-Yang Guo , Soumya D. Mohanty , Xie Qunying , Yu-Xiao Liu

Uncertainty estimation is crucial in scientific data for machine learning. Current uncertainty estimation methods mainly focus on the model's inherent uncertainty, while neglecting the explicit modeling of noise in the data. Furthermore,…

机器学习 · 计算机科学 2024-09-13 Guangxuan Song , Dongmei Fu , Zhongwei Qiu , Jintao Meng , Dawei Zhang

Active Shape Model (ASM) is a statistical model of object shapes that represents a target structure. ASM can guide machine learning algorithms to fit a set of points representing an object (e.g., face) onto an image. This paper presents a…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Ali Pourramezan Fard , Hojjat Abdollahi , Mohammad Mahoor

We develop the "generalized consistent weighted sampling" (GCWS) for hashing the "powered-GMM" (pGMM) kernel (with a tuning parameter $p$). It turns out that GCWS provides a numerically stable scheme for applying power transformation on the…

机器学习 · 统计学 2022-01-10 Ping Li , Weijie Zhao

Integrated sensing and communication (ISAC) systems promise efficient spectrum utilization by jointly supporting radar sensing and wireless communication. This paper presents a deep learning-driven framework for enhancing physical-layer…

Graph-based learning provides a powerful framework for modeling complex relational structures; however, its application within the domain of wireless security remains significantly underexplored. In this work, we introduce the first…

网络与互联网体系结构 · 计算机科学 2025-06-19 Dania Herzalla , Willian T. Lunardi , Martin Andreoni

We report on the construction of a deep convolutional neural network that can reproduce the sensitivity of a matched-filtering search for binary black hole gravitational-wave signals. The standard method for the detection of well modeled…

天体物理仪器与方法 · 物理学 2018-04-11 Hunter Gabbard , Michael Williams , Fergus Hayes , Chris Messenger

The increased presence of advanced sensors on the production floors has led to the collection of datasets that can provide significant insights into machine health. An important and reliable indicator of machine health, vibration signal…

信号处理 · 电气工程与系统科学 2021-02-04 Rishikesh Magar , Lalit Ghule , Junhan Li , Yang Zhao , Amir Barati Farimani

While deep convolutional neural networks (CNNs) have achieved impressive success in image denoising with additive white Gaussian noise (AWGN), their performance remains limited on real-world noisy photographs. The main reason is that their…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Shi Guo , Zifei Yan , Kai Zhang , Wangmeng Zuo , Lei Zhang

In CS literature, the efforts can be divided into two groups: finding a measurement matrix that preserves the compressed information at the maximum level, and finding a reconstruction algorithm for the compressed information. In the…

信号处理 · 电气工程与系统科学 2021-08-09 Mehmet Yamac , Ugur Akpinar , Erdem Sahin , Serkan Kiranyaz , Moncef Gabbouj

Convolutional Neural Networks (CNNs) have proven highly effective for edge and mobile vision tasks due to their computational efficiency. While many recent works seek to enhance CNNs with global contextual understanding via…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Đorđe Nedeljković

This paper deals with the problem of localization in a cellular network in a dense urban scenario. Global Navigation Satellite Systems (GNSS) typically perform poorly in urban environments, where the likelihood of line-of-sight conditions…

机器学习 · 计算机科学 2022-02-04 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

Deep learning is a powerful analysis technique that has recently been proposed as a method to constrain cosmological parameters from weak lensing mass maps. Due to its ability to learn relevant features from the data, it is able to extract…

宇宙学与河外天体物理 · 物理学 2018-12-26 Janis Fluri , Tomasz Kacprzak , Aurelien Lucchi , Alexandre Refregier , Adam Amara , Thomas Hofmann

Inspired by chaotic firing of neurons in the brain, we propose ChaosNet -- a novel chaos based artificial neural network architecture for classification tasks. ChaosNet is built using layers of neurons, each of which is a 1D chaotic map…

机器学习 · 计算机科学 2019-10-08 Harikrishnan Nellippallil Balakrishnan , Aditi Kathpalia , Snehanshu Saha , Nithin Nagaraj

Cybersecurity threats are growing, making network intrusion detection essential. Traditional machine learning models remain effective in resource-limited environments due to their efficiency, requiring fewer parameters and less…

Purpose: Drop-in gamma probes are widely used in robotic-assisted minimally invasive surgery (RAMIS) for lymph node detection. However, these devices only provide audio feedback on signal intensity, lacking the visual feedback necessary for…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Songyu Xu , Yicheng Hu , Jionglong Su , Daniel Elson , Baoru Huang