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Compressive imaging using coded apertures (CA) is a powerful technique that can be used to recover depth, light fields, hyperspectral images and other quantities from a single snapshot. The performance of compressive imaging systems based…

Image and Video Processing · Electrical Eng. & Systems 2021-04-08 Edwin Vargas , Julien N. P. Martel , Gordon Wetzstein , Henry Arguello

Covering from photography to depth and spectral estimation, diverse computational imaging (CI) applications benefit from the versatile modulation of coded apertures (CAs). The light wave fields as space, time, or spectral can be modulated…

Optimization and Control · Mathematics 2021-05-10 Jorge Bacca , Tatiana Gelvez , Henry Arguello

Prior works have analyzed the performance of millimeter wave automotive radars in the presence of diverse clutter and interference scenarios using stochastic geometry tools instead of more time-consuming measurement studies or system-level…

Information Theory · Computer Science 2023-12-12 Mohammad Taha Shah , Ankit Kumar , Gourab Ghatak , Shobha Sundar Ram

Deep neural network based object detection hasbecome the cornerstone of many real-world applications. Alongwith this success comes concerns about its vulnerability tomalicious attacks. To gain more insight into this issue, we proposea…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Shengnan Hu , Yang Zhang , Sumit Laha , Ankit Sharma , Hassan Foroosh

In the recent decade, it has been discovered that QKD systems are extremely vulnerable to side-channel attacks. In particular, by exploiting the internal working knowledge of practical detectors, it is possible to bring them to an operating…

Quantum Physics · Physics 2015-02-02 Charles Ci Wen Lim , Nino Walenta , Matthieu Legre , Nicolas Gisin , Hugo Zbinden

Performance of nuclear threat detection systems based on gamma-ray spectrometry often strongly depends on the ability to identify the part of measured signal that can be attributed to background radiation. We have successfully applied a…

Machine Learning · Computer Science 2016-05-30 P. Tandon , P. Huggins , A. Dubrawski , S. Labov , K. Nelson

There is growing interest in the use of coded aperture imaging systems for a variety of applications. Using an analysis framework based on mutual information, we examine the fundamental limits of such systems---and the associated optimum…

Image and Video Processing · Electrical Eng. & Systems 2017-12-14 Adam Yedidia , Christos Thrampoulidis , Gregory Wornell

Methods currently in use for locating and characterising sources in radio interferometry maps are designed for processing images, and require interferometric maps to be preprocessed so as to resemble conventional images. We demonstrate a…

Instrumentation and Methods for Astrophysics · Physics 2018-12-26 Peter Hague , Haoyang Ye , Bojan Nikolic , Steve Gull

Modern vehicles rely on scores of electronic control units (ECUs) broadcasting messages over a few controller area networks (CANs). Bereft of security features, in-vehicle CANs are exposed to cyber manipulation and multiple researches have…

Cryptography and Security · Computer Science 2018-09-03 Zachariah Tyree , Robert A. Bridges , Frank L. Combs , Michael R. Moore

Extensive simulations of a portable radiation detecting system have been performed in order to explore important performance parameters. The instrument consists of a stack of ten detecting layers made of pixelated Cadmium Telluride (CdTe)…

Instrumentation and Detectors · Physics 2011-01-21 K. Karafasoulis , K. Zachariadou , S. Seferlis , I. Kaissas , C. Lambropoulos , D. Loukas , C. Poritiriadis

In this paper, a statistical model for the coupling of electromagnetic radiation into enclosures through apertures is presented. The model gives a unified picture bridging deterministic theories of aperture radiation, and statistical models…

Chaotic Dynamics · Physics 2016-03-25 Gabriele Gradoni , Thomas M. Antonsen , Steven M. Anlage , Edward Ott

We evaluate the secrecy performance of a multiple access cooperative network where the destination node is wiretapped by a malicious and passive eavesdropper. We propose the application of the network coding technique as an alternative to…

An adversary can fool deep neural network object detectors by generating adversarial noises. Most of the existing works focus on learning local visible noises in an adversarial "patch" fashion. However, the 2D patch attached to a 3D object…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Yexin Duan , Jialin Chen , Xingyu Zhou , Junhua Zou , Zhengyun He , Jin Zhang , Wu Zhang , Zhisong Pan

Road intersections are widely recognized as a lead cause for accidents and traffic delays. In a future scenario with a significant adoption of Cooperative Autonomous Vehicles, solutions based on fully automatic, signage-less Intersection…

Systems and Control · Electrical Eng. & Systems 2021-04-09 Twan Keijzer , Fabian Jarmolowitz , Riccardo M. G. Ferrari

Solving the continuum radiative transfer equation in high opacity media requires sophisticated numerical tools. In order to test the reliability of such tools, we present a benchmark of radiative transfer codes in a 2D disc configuration.…

Solar and Stellar Astrophysics · Physics 2015-05-13 C. Pinte , T. J. Harries , M. Min , A. M. Watson , C. P. Dullemond , P. Woitke , F. Menard , M. C. Duran-Rojas

In the present paper we develop a Bayesian analysis of radar target detection that uses the parameters of conventional radar analysis to provide a valid prediction of target presence or absence when received signals cross or fail to cross…

Signal Processing · Electrical Eng. & Systems 2019-03-21 Philip Cassady

Coded apertures, traditionally employed in x-ray astronomy for imaging celestial objects, are now being adapted for micro-scale applications, particularly in studying microscopic specimens with synchrotron light diffraction. In this paper,…

Signal Processing · Electrical Eng. & Systems 2024-05-22 Doğa Gürsoy , Dina Sheyfer , Michael Wojcik , Wenjun Liu , Jonathan Tischler

Autonomous vehicles are conceived to provide safe and secure services by validating the safety standards as indicated by SOTIF-ISO/PAS-21448 (Safety of the intended functionality). Keeping in this context, the perception of the environment…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Shoaib Azam , Farzeen Munir , Moongu Jeon

This paper addresses the problem of localizing an unknown number of targets, all having the same radar signature, by a distributed MIMO radar consisting of single antenna transmitters and receivers that cannot determine directions of…

Information Theory · Computer Science 2017-11-07 Sundar Aditya , Andreas F. Molisch , Naif Rabeah , Hatim Behairy

Side Channel Analysis (SCA) presents a clear threat to privacy and security in modern computing systems. The vast majority of communications are secured through cryptographic algorithms. These algorithms are often provably-secure from a…

Cryptography and Security · Computer Science 2024-02-06 Max Panoff , Honggang Yu , Haoqi Shan , Yier Jin
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