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Data Augmentation (DA) is known to improve the generalizability of deep neural networks. Most existing DA techniques naively add a certain number of augmented samples without considering the quality and the added computational cost of these…

机器学习 · 计算机科学 2022-03-18 Ehsan Kamalloo , Mehdi Rezagholizadeh , Ali Ghodsi

Deep learning has raised hopes and expectations as a general solution for many applications; indeed it has proven effective, but it also showed a strong dependence on large quantities of data. Luckily, it has been shown that, even when data…

计算机视觉与模式识别 · 计算机科学 2019-02-14 Fabio Maria Carlucci

Distributed training in deep learning (DL) is common practice as data and models grow. The current practice for distributed training of deep neural networks faces the challenges of communication bottlenecks when operating at scale, and…

机器学习 · 计算机科学 2020-12-21 Shubhankar Gahlot , Junqi Yin , Mallikarjun Shankar

Deep learning (DL), a branch of artificial intelligence (AI) techniques, has shown great promise in various disciplines such as image classification and segmentation, speech recognition, language translation, among others. This remarkable…

信号处理 · 电气工程与系统科学 2022-09-07 Wonjun Kim , Yongjun Ahn , Jinhong Kim , Byonghyo Shim

The quasi-optical propagation of millimeter-wave signals enables high-accuracy localization algorithms that employ geometric approaches or machine learning models. However, most algorithms require information on the indoor environment, may…

信号处理 · 电气工程与系统科学 2024-07-31 Anish Shastri , Steve Blandino , Camillo Gentile , Chiehping Lai , Paolo Casari

Machine Learning (ML) models are very effective in many learning tasks, due to the capability to extract meaningful information from large data sets. Nevertheless, there are learning problems that cannot be easily solved relying on pure…

机器学习 · 计算机科学 2021-01-29 Andrea Borghesi , Federico Baldo , Michele Lombardi , Michela Milano

Conventional methods for outdoor environment reconstruction rely predominantly on vision-based techniques like photogrammetry and LiDAR, facing limitations such as constrained coverage, susceptibility to environmental conditions, and high…

网络与互联网体系结构 · 计算机科学 2024-04-13 Hrant Khachatrian , Rafayel Mkrtchyan , Theofanis P. Raptis

Automatic modulation classification is of crucial importance in wireless communication networks. Deep learning based automatic modulation classification schemes have attracted extensive attention due to the superior accuracy. However, the…

信号处理 · 电气工程与系统科学 2022-07-01 Rui Ding , Hao Zhang , Fuhui Zhou , Qihui Wu , Zhu Han

Domain adaptation (DA) strives to mitigate the domain gap between the source domain where a model is trained, and the target domain where the model is deployed. When a deep learning model is deployed on an aerial platform, it may face…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Chowdhury Sadman Jahan , Andreas Savakis

Despite dropout's ubiquity in machine learning, its effectiveness as a form of data augmentation remains under-explored. We address two key questions: (i) When is dropout effective as an augmentation strategy? (ii) Is dropout uniquely…

机器学习 · 计算机科学 2025-06-02 Rickard Brüel-Gabrielsson , Tongzhou Wang , Manel Baradad , Justin Solomon

Materials property prediction models are usually evaluated using random splitting of datasets into training and test datasets, which not only leads to over-estimated performance due to inherent redundancy, typically existent in material…

材料科学 · 物理学 2024-05-28 Jeffrey Hu , David Liu , Nihang Fu , Rongzhi Dong

In the Wireless Localization Matching Problem (WLMP) the challenge is to match pieces of equipment with a set of candidate locations based on wireless signal measurements taken by the pieces of equipment. This challenge is complicated by…

信号处理 · 电气工程与系统科学 2019-08-15 Amin Ghafourian , Orestis Georgiou , Edmund Barter , Thilo Gross

Cyber-physical systems have recently been used in several areas (such as connected and autonomous vehicles) due to their high maneuverability. On the other hand, they are susceptible to cyber-attacks. Radio frequency (RF) fingerprinting…

信号处理 · 电气工程与系统科学 2024-05-28 Omer Melih Gul , Michel Kulhandjian , Burak Kantarci , Claude D'Amours , Azzedine Touazi , Cliff Ellement

Key challenges in developing underwater acoustic localization methods are related to the combined effects of high reverberation in intricate environments. To address such challenges, recent studies have shown that with a properly designed…

信号处理 · 电气工程与系统科学 2023-05-30 Amir Weiss , Andrew C. Singer , Gregory W. Wornell

We study downlink (DL) channel estimation in a multi-cell Massive multiple-input multiple-output (MIMO) system operating in a time-division duplex. The users must know their effective channel gains to decode their received DL data signals.…

信息论 · 计算机科学 2021-09-07 Amin Ghazanfari , Trinh Van Chien , Emil Björnson , Erik G. Larsson

Cognitive communications have emerged as a promising solution to enhance, adapt, and invent new tools and capabilities that transcend conventional wireless networks. Deep learning (DL) is critical in enabling essential features of cognitive…

信号处理 · 电气工程与系统科学 2022-04-05 Ahmet M. Elbir , Kumar Vijay Mishra

Domain adaptation (DA) is a quickly expanding area in machine learning that involves adjusting a model trained in one domain to perform well in another domain. While there have been notable progressions, the fundamental concept of numerous…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Yihang Wu , Ahmad Chaddad

Recent trends have accelerated the development of spatial applications on mobile devices and robots. These include navigation, augmented reality, human-robot interaction, and others. A key enabling technology for such applications is the…

机器人学 · 计算机科学 2020-02-19 Zakieh S. Hashemifar , Charuvahan Adhivarahan , Anand Balakrishnan , Karthik Dantu

Robust lane detection is essential for advanced driver assistance and autonomous driving, yet models trained on public datasets such as CULane often fail to generalise across different camera viewpoints. This paper addresses the challenge…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Flora Lian , Dinh Quang Huynh , Hector Penades , J. Stephany Berrio Perez , Mao Shan , Stewart Worrall

Distance metric learning (DML) approaches learn a transformation to a representation space where distance is in correspondence with a predefined notion of similarity. While such models offer a number of compelling benefits, it has been…

机器学习 · 统计学 2016-03-03 Oren Rippel , Manohar Paluri , Piotr Dollar , Lubomir Bourdev
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