English
Related papers

Related papers: Performance Estimates of the Pseudo-Random Method …

200 papers

Target detection and recognition is a very challenging task in a wireless environment where a multitude of objects are located, whether to effectively determine their positions or to identify them and predict their moves. In this work, we…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Mamady Delamou , Ahmad Bazzi , Marwa Chafii , El Mehdi Amhoud

This letter considers a network where nodes share a wireless channel to work in turn as pulse radars for target detection and as transmitters for data exchange. Radar detection range and network throughput are studied using stochastic…

Networking and Internet Architecture · Computer Science 2018-05-31 Ping Ren , Andrea Munari , Marina Petrova

While camera and LiDAR processing have been revolutionized since the introduction of deep learning, radar processing still relies on classical tools. In this paper, we introduce a deep learning approach for radar processing, working…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Daniel Brodeski , Igal Bilik , Raja Giryes

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is based on invariant instance feature learning but is tailored for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Matthew Gadd , Daniele De Martini , Paul Newman

Autonomous systems require a continuous and dependable environment perception for navigation and decision-making, which is best achieved by combining different sensor types. Radar continues to function robustly in compromised circumstances…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Carsten Ditzel , Klaus Dietmayer

We consider the problem of sequential change detection, where the goal is to design a scheme for detecting any changes in a parameter or functional $\theta$ of the data stream distribution that has small detection delay, but guarantees…

Statistics Theory · Mathematics 2023-11-28 Shubhanshu Shekhar , Aaditya Ramdas

Autonomous hazard detection and avoidance is a key technology for future landing missions in unknown surface conditions. Current state-of-the-art stochastic algorithms assume simple Gaussian measurement noise on dense, high-fidelity digital…

Robotics · Computer Science 2023-05-09 Kento Tomita , Koki Ho

In tracking radar, the sensing environment often varies significantly over a track duration due to the target's trajectory and dynamic interference. Adapting the radar's waveform using partial information about the state of the scene has…

Information Theory · Computer Science 2021-08-04 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Electronic phased-array radars offer new possibilities for radar search pattern optimization by using bi-dimensional beam-forming and beam-steering. Radar search pattern optimization can be approximated as a set cover problem and solved…

Optimization and Control · Mathematics 2020-02-13 Yann Briheche , Frédéric Barbaresco , Fouad Bennis , Damien Chablat

With the increasing popularity of human-computer interaction applications, there is also growing interest in generating sufficiently large and diverse data sets for automatic radar-based recognition of hand poses and gestures. Radar…

Signal Processing · Electrical Eng. & Systems 2023-07-31 Johanna Bräunig , Christian Schüßler , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

The problem of detecting fake data inspires the following seemingly simple mathematical question. Sample a data point $X$ from the standard normal distribution in $\mathbb{R}^n$. An adversary observes $X$ and corrupts it by adding a vector…

Statistics Theory · Mathematics 2026-04-23 Shahar Mendelson , Grigoris Paouris , Roman Vershynin

Speckle noise, inherent in synthetic aperture radar (SAR) images, degrades the performance of the various SAR image analysis tasks. Thus, speckle noise reduction is a critical preprocessing step for smoothing homogeneous regions while…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Fatih Nar

Results on the spectral behavior of random matrices as the dimension increases are applied to the problem of detecting the number of sources impinging on an array of sensors. A common strategy to solve this problem is to estimate the…

Statistics Theory · Mathematics 2022-12-09 J. W. Silverstein , P. L. Combettes

We present a framework for simulating realistic inverse synthetic aperture radar images of automotive targets at millimeter wave frequencies. The model incorporates radar scattering phenomenology of commonly found vehicles along with…

Signal Processing · Electrical Eng. & Systems 2021-03-19 Neeraj Pandey , Shobha Sundar Ram

Radar targets are traditionally modelled as point target reflectors, even in the near-field region. Yet, for radar systems operating at high carrier frequencies and small distances, traditional radar propagation models do not accurately…

Signal Processing · Electrical Eng. & Systems 2024-03-28 François De Saint Moulin , Guillaume Thiran , Christophe Craeye , Luc Vandendorpe , Claude Oestges

Radar-based perception has gained increasing attention in autonomous driving, yet the inherent sparsity of radars poses challenges. Radar raw data often contains excessive noise, whereas radar point clouds retain only limited information.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Jialong Wu , Mirko Meuter , Markus Schoeler , Matthias Rottmann

In this work, we develop centralized and decentralized signal fusion techniques for constant false alarm rate (CFAR) multi-target detection with a cognitive radar network in unknown noise and clutter distributions. Further, we first develop…

Signal Processing · Electrical Eng. & Systems 2025-09-24 Nicholas L. K. Goradia , Harpreet S. Dhillon , R. Michael Buehrer

We establish fundamental bounds on subwavelength resolution for the radar ranging problem, ``super radar''. Information theoretical metrics are applied to probe the resolution limits for the case of both direct electric field measurement…

Optics · Physics 2024-06-04 Andrew N. Jordan , John C. Howell

In this paper, we address the limitations of traditional constant false alarm rate (CFAR) target detectors in automotive radars, particularly in complex urban environments with multiple objects that appear as extended targets. We propose a…

Signal Processing · Electrical Eng. & Systems 2024-06-18 Ignacio Roldan , Andras Palffy , Julian F. P. Kooij , Dariu M. Gavrila , Francesco Fioranelli , Alexander Yarovoy

Detecting and tracking objects is a crucial component of any autonomous navigation method. For the past decades, object detection has yielded promising results using neural networks on various datasets. While many methods focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Mathis Morales , Golnaz Habibi