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We propose a novel method for estimating the global rotations of the cameras independently of their positions and the scene structure. When two calibrated cameras observe five or more of the same points, their relative rotation can be…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Seong Hun Lee , Javier Civera

Deformable Monocular SLAM algorithms recover the localization of a camera in an unknown deformable environment. Current approaches use a template-based deformable tracking to recover the camera pose and the deformation of the map. These…

计算机视觉与模式识别 · 计算机科学 2021-09-16 Jose Lamarca , Juan J. Gomez Rodriguez , Juan D. Tardos , J. M. M. Montiel

With the growing importance of personal identification and authentication in todays highly advanced world where most business and personal tasks are being replaced by electronic means, the need for a technology that is able to uniquely…

密码学与安全 · 计算机科学 2009-12-04 Li Fang , Maylor K. H. Leung , Cheng Shao Chian

There are few industries which use manually controlled robots for carrying material and this cannot be used all the time in all the places. So, it is very tranquil to have robots which can follow a specific human by following the unique…

机器人学 · 计算机科学 2021-09-08 Sai Nikhil Gona , Prithvi Raj Bandhakavi

In this paper, we present an algorithm for determining a curve on the earth's terrain on which a stationary emitter must lie according to a single Doppler shift measured on an unmanned aerial vehicle (UAV) or a low earth orbit satellite…

信号处理 · 电气工程与系统科学 2019-03-13 Qingchen Liu , Samuel P. Drake , Brian D. O. Anderson

In this paper, we present the modular design and implementation of DONUT, a novel tool for identifying software running on a device. Our tool uses a rule-based approach to detect software-specific DNS fingerprints (stored in an easily…

网络与互联网体系结构 · 计算机科学 2022-08-16 Sebastian Schäfer , Ulrike Meyer

Multiple-input multiple-output (MIMO) radar has several advantages with respect to the traditional radar array systems in terms of performance and flexibility. However, in order to achieve high angular resolution, a MIMO radar requires a…

信号处理 · 电气工程与系统科学 2023-03-01 Himali Singh , Arpan Chattopadhyay

This paper is concerned with the investigation of the bistatic MIMO radar for estimating various multitarget parameters of interest in the presence of clutter and noise. The parameters of interest include Direction of Departure (DOD),…

信号处理 · 电气工程与系统科学 2024-11-08 Nadeem Dar , Athanassios Manikas

Detecting the singular point accurately and efficiently is one of the most important tasks for fingerprint recognition. In recent years, deep learning has been gradually used in the fingerprint singular point detection. However, current…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Liaojun Pang , Jiong Chen , Fei Guo , Zhicheng Cao , Heng Zhao

Fingerprints are one of the most copious evidence in a crime scene and, for this reason, they are frequently used by law enforcement for identification of individuals. But fingerprints can be altered. "Altered fingerprints", refers to…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Oliver Giudice , Mattia Litrico , Sebastiano Battiato

Cross-correlation of consecutive Doppler images is one of the most common techniques used to detect surface differential rotation (hereafter DR) on spotted stars. The disadvantage of a single cross-correlation is, however, that the expected…

太阳与恒星天体物理 · 物理学 2015-06-17 Zsolt Kővári , János Bartus , Levente Kriskovics , Krisztián Vida , Katalin Oláh

The rapid development of technology has led to an increase in the number of devices that rely on position, velocity, and time (PVT) information to perform their functions. As such, the Global Navigation Satellite Systems (GNSS) have been…

信号处理 · 电气工程与系统科学 2025-11-04 Leatile Marata , Juhani Sankari , Eslam Eldeeb , Mikko Valkama , Elena Simona Lohan

In Biometric identification, fingerprints based identification has been the widely accepted mechanism. Automated fingerprints identification/verification techniques are widely adopted in many civilian and forensic applications. In forensic…

计算机视觉与模式识别 · 计算机科学 2019-02-06 Wajih Ullah Baig , Adeel Ejaz , Umar Munir , Kashif Sardar

This paper introduces a method for designing spatially intelligent robot swarm behaviors to localize concealed radio emitters. We use differential evolution to generate geometric patrol routes that localize unknown signals independently of…

机器人学 · 计算机科学 2026-03-17 Adam Morris , Timothy Pelham , Edmund R. Hunt

A transmitted, unknown radar signal is observed at the receiver through more than one path in additive noise. The aim is to recover the waveform of the intercepted signal and to simultaneously estimate the direction of arrival (DOA). We…

统计理论 · 数学 2011-03-30 Tabea Rebafka , Céline Lévy-Leduc , Maurice Charbit

A renaissance in radar-based sensing for mobile robotic applications is underway. Compared to cameras or lidars, millimetre-wave radars have the ability to `see' through thin walls, vegetation, and adversarial weather conditions such as…

机器人学 · 计算机科学 2025-04-30 Cedric Le Gentil , Leonardo Brizi , Daniil Lisus , Xinyuan Qiao , Giorgio Grisetti , Timothy D. Barfoot

This paper presents a new algorithm for autonomous multitarget tracking of resident space objects using optical angles-only measurements from a spaceborne observer. To enable autonomous angles-only navigation of spacecraft swarms, an…

信号处理 · 电气工程与系统科学 2021-10-04 Justin Kruger , Simone D'Amico

In this paper, a low-cost monopulse receiver with an enhanced direction of arrival (DoA) estimation accuracy via deep neural network (DNN) is proposed. The entire system is composed of a 4-element patch array, a fully planar symmetrical…

信号处理 · 电气工程与系统科学 2024-11-28 Hanxiang Zhang , Saeed Zolfaghary Pour , Hao Yan , Powei Liu , Bayaner Arigong

Doppler radars are routinely used for the remote sensing of oceanic surface currents and atmospheric wind profiles. Even though they operate at different frequencies and address different media, they follow very similar processing for the…

大气与海洋物理 · 物理学 2021-02-02 Baptiste Domps , Julien Marmain , Charles-Antoine Guérin

Telemanipulation of deformable objects requires high precision and dexterity from the users, which can be increased by kinesthetic and tactile feedback. However, the object shape can change dynamically, causing ambiguous perception of its…