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Related papers: Real-Time Drone Detection in Event Cameras via Per…

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A reexamination of period finding algorithms is prompted by new large area astronomical sky surveys that can identify billions of individual sources having a thousand or more observations per source. This large increase in data necessitates…

Instrumentation and Methods for Astrophysics · Physics 2025-02-05 Douglas P. Finkbeiner , Thomas A. Prince , Samuel E. Whitebook

Visual object tracking is one of the major challenges in the field of computer vision. Correlation Filter (CF) trackers are one of the most widely used categories in tracking. Though numerous tracking algorithms based on CFs are available…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Litu Rout , Priya Mariam Raju , Deepak Mishra , Rama Krishna Sai Subrahmanyam Gorthi

Localizing radio frequency (RF) sources with an unmanned aerial vehicle (UAV) has many important applications. As a result, UAV-based localization has been the focus of much research. However, previous approaches rely heavily on custom…

Robotics · Computer Science 2018-08-15 Louis Dressel , Mykel J. Kochenderfer

Camera and LiDAR sensor modalities provide complementary appearance and geometric information useful for detecting 3D objects for autonomous vehicle applications. However, current end-to-end fusion methods are challenging to train and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Anas Mahmoud , Jordan S. K. Hu , Steven L. Waslander

Object detection using images or videos captured by drones is a promising technology with significant potential across various industries. However, a major challenge is that drone images are typically taken from high altitudes, making…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Hyun-Ki Jung

The Discrete Fourier Transform (DFT) is a fundamental computational primitive, and the fastest known algorithm for computing the DFT is the FFT (Fast Fourier Transform) algorithm. One remarkable feature of FFT is the fact that its runtime…

Data Structures and Algorithms · Computer Science 2019-02-28 Michael Kapralov , Ameya Velingker , Amir Zandieh

Dispersive Fourier transformation is a powerful technique in which the spectrum of an optical pulse is mapped into a time-domain waveform using chromatic dispersion. It replaces a diffraction grating and detector array with a dispersive…

Optics · Physics 2009-11-13 Keisuke Goda , Kevin K. Tsia , Bahram Jalali

Search and rescue (SAR) operations require rapid responses to save lives or property. Unmanned Aerial Vehicles (UAVs) equipped with vision-based systems support these missions through prior terrain investigation or real-time assistance…

Robotics · Computer Science 2026-02-25 Luka Šiktar , Branimir Ćaran , Bojan Šekoranja , Marko Švaco

Collaborative trajectory prediction can comprehensively forecast the future motion of objects through multi-view complementary information. However, it encounters two main challenges in multi-drone collaboration settings. The expansive…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Zhechao Wang , Peirui Cheng , Mingxin Chen , Pengju Tian , Zhirui Wang , Xinming Li , Xue Yang , Xian Sun

With the increasing utilization of Internet of Things (IoT) enabled drones in diverse applications like photography, delivery, and surveillance, concerns regarding privacy and security have become more prominent. Drones have the ability to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Jaskaran Singh

Improving the generalization ability of Deep Neural Networks (DNNs) is critical for their practical uses, which has been a longstanding challenge. Some theoretical studies have uncovered that DNNs have preferences for some frequency…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Shiqi Lin , Zhizheng Zhang , Zhipeng Huang , Yan Lu , Cuiling Lan , Peng Chu , Quanzeng You , Jiang Wang , Zicheng Liu , Amey Parulkar , Viraj Navkal , Zhibo Chen

Because of their high temporal resolution, increased resilience to motion blur, and very sparse output, event cameras have been shown to be ideal for low-latency and low-bandwidth feature tracking, even in challenging scenarios. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Nico Messikommer , Carter Fang , Mathias Gehrig , Giovanni Cioffi , Davide Scaramuzza

This research addresses the pressing challenge of enhancing processing times and detection capabilities in Unmanned Aerial Vehicle (UAV)/drone imagery for global wildfire detection, despite limited datasets. Proposing a Segmented Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Aditya V. Jonnalagadda , Hashim A. Hashim

The unique cost, flexibility, speed, and efficiency of modern UAVs make them an attractive choice in many applications in contemporary society. This, however, causes an ever-increasing number of reported malicious or accidental incidents,…

Artificial Intelligence · Computer Science 2024-10-22 Nikos Sakellariou , Antonios Lalas , Konstantinos Votis , Dimitrios Tzovaras

This paper introduces a novel perception framework that has the ability to identify and track objects in autonomous vehicle's field of view. The proposed algorithms don't require any training for achieving this goal. The framework makes use…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Suryansh Saxena , Isaac K Isukapati

Discrete transforms such as the discrete Fourier transform (DFT) or the discrete Hartley transform (DHT) furnish an indispensable tool in signal processing. The successful application of transform techniques relies on the existence of the…

Data Structures and Algorithms · Computer Science 2015-08-27 H. M. de Oliveira , R. J. Cintra , R. M. Campello de Souza

In this paper we present an interference detection toolbox consisting of a high dynamic range Digital Fast-Fourier-Transform spectrometer (DFFT, based on FPGA-technology) and data analysis software for automated radio frequency interference…

Astrophysics · Physics 2007-05-23 Benjamin Winkel , Juergen Kerp , Stephan Stanko

This work aims to investigate the use of deep neural network to detect commercial hobby drones in real-life environments by analyzing their sound data. The purpose of work is to contribute to a system for detecting drones used for malicious…

Sound · Computer Science 2017-01-23 Sungho Jeon , Jong-Woo Shin , Young-Jun Lee , Woong-Hee Kim , YoungHyoun Kwon , Hae-Yong Yang

We present a method, referred to as Deep Harmonic Finesse (DHF), for separation of non-stationary quasi-periodic signals when limited data is available. The problem frequently arises in wearable systems in which, a combination of…

Image and Video Processing · Electrical Eng. & Systems 2024-07-03 Mahya Saffarpour , Kourosh Vali , Weitai Qian , Begum Kasap , Herman L. Hedriana , Soheil Ghiasi

To decide whether a digital video has been captured by a given device, multimedia forensic tools usually exploit characteristic noise traces left by the camera sensor on the acquired frames. This analysis requires that the noise pattern…

Multimedia · Computer Science 2020-05-21 Sara Mandelli , Fabrizio Argenti , Paolo Bestagini , Massimo Iuliani , Alessandro Piva , Stefano Tubaro