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Currently there is great interest in the utility of deep neural networks (DNNs) for the physical layer of radio frequency (RF) communications. In this manuscript, we describe a custom DNN specially designed to solve problems in the RF…

Signal Processing · Electrical Eng. & Systems 2021-09-23 Brian Shevitski , Yijing Watkins , Nicole Man , Michael Girard

Miniaturized autonomous unmanned aerial vehicles (UAVs) are gaining popularity due to their small size, enabling new tasks such as indoor navigation or people monitoring. Nonetheless, their size and simple electronics pose severe challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Matteo Risso , Francesco Daghero , Beatrice Alessandra Motetti , Daniele Jahier Pagliari , Enrico Macii , Massimo Poncino , Alessio Burrello

Virtual Diagnostic (VD) is a computational tool based on deep learning that can be used to predict a diagnostic output. VDs are especially useful in systems where measuring the output is invasive, limited, costly or runs the risk of…

Accelerator Physics · Physics 2021-08-04 Owen Convery , Lewis Smith , Yarin Gal , Adi Hanuka

Deep-learning is a cutting edge theory that is being applied to many fields. For vision applications the Convolutional Neural Networks (CNN) are demanding significant accuracy for classification tasks. Numerous hardware accelerators have…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Alejandro Linares-Barranco , Antonio Rios-Navarro , Ricardo Tapiador-Morales , Tobi Delbruck

We present the "Virtual VNA 3.0" technique for estimating the scattering matrix of a \textit{non-reciprocal}, linear, passive, time-invariant device under test (DUT) with $N$ monomodal ports using a single measurement setup involving a…

Applied Physics · Physics 2025-03-11 Philipp del Hougne

Radial velocity estimates provided by Doppler weather radar are critical measurements used by operational forecasters for the detection and monitoring of life-impacting storms. The sampling methods used to produce these measurements are…

Atmospheric and Oceanic Physics · Physics 2023-03-31 Mark S. Veillette , James M. Kurdzo , Phillip M. Stepanian , Joseph McDonald , Siddharth Samsi , John Y. N. Cho

Scanning near-field optical microscopy is one of the most effective techniques for spectroscopy of nanoscale systems. However, inferring optical constants from the measured near-field signal can be challenging because of a complicated and…

Optics · Physics 2023-04-19 Yueqi Zhao , Xinzhong Chen , Ziheng Yao , Mengkun Liu , Michael M. Fogler

Network alignment, in general, seeks to discover the hidden underlying correspondence between nodes across two (or more) networks when given their network structure. However, most existing network alignment methods have added assumptions of…

Social and Information Networks · Computer Science 2019-02-28 Tyler Derr , Hamid Karimi , Xiaorui Liu , Jiejun Xu , Jiliang Tang

We propose the inverse design of ultracompact, broadband focusing spectrometers based on adaptive deep diffractive neural networks (a-D$^2$NNs). Specifically, we introduce and characterize two-layer diffractive devices with engineered…

Optics · Physics 2022-12-14 Yilin Zhu , Yuyao Chen , Luca Dal Negro

The paper proposes a new testing approach for Deep Neural Networks (DNN) using gradient-free optimization to find perturbation chains that successfully falsify the tested DNN, going beyond existing grid-based or combinatorial testing.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Clemens Otte , Yinchong Yang , Danny Benlin Oswan

In recent years, neural architecture search (NAS) has received intensive scientific and industrial interest due to its capability of finding a neural architecture with high accuracy for various artificial intelligence tasks such as image…

Machine Learning · Computer Science 2021-01-18 Martin Ferianc , Hongxiang Fan , Miguel Rodrigues

We introduce an end-to-end deep learning architecture called the wide-band butterfly network (WideBNet) for approximating the inverse scattering map from wide-band scattering data. This architecture incorporates tools from computational…

Machine Learning · Computer Science 2021-11-01 Matthew Li , Laurent Demanet , Leonardo Zepeda-Núñez

Mixed-signal artificial neural networks (ANNs) that employ analog matrix-multiplication accelerators can achieve higher speed and improved power efficiency. Though analog computing is known to be susceptible to noise and device…

Signal Processing · Electrical Eng. & Systems 2021-07-01 Joseph Ulseth , Zheyuan Zhu , Guifang Li , Shuo Pang

Deep Neural Networks (DNNs) learn representation from data with an impressive capability, and brought important breakthroughs for processing images, time-series, natural language, audio, video, and many others. In the remote sensing field,…

Edge-assisted mobile video analytics (MVA) applications are increasingly shifting from using vision models based on convolutional neural networks (CNNs) to those built on vision transformers (ViTs) to leverage their superior global context…

Networking and Internet Architecture · Computer Science 2026-01-30 Miao Zhang , Guanzhen Wu , Hao Fang , Yifei Zhu , Fangxin Wang , Ruixiao Zhang , Jiangchuan Liu

Efficient deep neural network (DNN) inference on mobile or embedded devices typically involves quantization of the network parameters and activations. In particular, mixed precision networks achieve better performance than networks with…

Effective SDN control relies on the network data collecting capability as well as the quality and timeliness of the data. As open programmable data plane is becoming a reality, we further enhance it with the support of runtime interactive…

Networking and Internet Architecture · Computer Science 2016-12-12 Haoyu Song , Jun Gong , Hongfei Chen , Tom Tofigh

Unsupervised learning with functional data is an emerging paradigm of machine learning research with applications to computer vision, climate modeling and physical systems. A natural way of modeling functional data is by learning operators…

Machine Learning · Computer Science 2023-02-22 Jacob H. Seidman , Georgios Kissas , George J. Pappas , Paris Perdikaris

Deep learning techniques have recently emerged to efficiently manage mmWave beam transmissions without requiring time consuming beam sweeping strategies. A fundamental challenge in these methods is their dependency on hardware-specific…

Signal Processing · Electrical Eng. & Systems 2025-01-08 Omar Mashaal , Elsayed Mohammed , Alec Digby , Lorne Swersky , Ashkan Eshaghbeigi , Hatem Abou-Zeid

Plasmonic photoconductive antennas have great promise for increasing responsivity and detection sensitivity of conventional photoconductive detectors in time-domain terahertz imaging and spectroscopy systems. However, operation bandwidth of…

Optics · Physics 2016-12-28 Nezih Tolga Yardimci , Mona Jarrahi