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Detection of small-sized targets is of paramount importance in many aerial vision-based applications. The commonly deployed low cost unmanned aerial vehicles (UAVs) for aerial scene analysis are highly resource constrained in nature. In…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Murari Mandal , Manal Shah , Prashant Meena , Santosh Kumar Vipparthi

Obstacle detection is one of the basic tasks of a robot movement in an unknown environment. The use of a LiDAR (Light Detection And Ranging) sensor allows one to obtain a point cloud in the vicinity of the sensor. After processing this…

Robotics · Computer Science 2024-04-12 Lukas Kratochvila

Event-based vision has already revolutionized the perception task for robots by promising faster response, lower energy consumption, and lower bandwidth without introducing motion blur. In this work, a novel deep learning method based on…

Robotics · Computer Science 2022-04-06 Kristoffer Fogh Andersen , Huy Xuan Pham , Halil Ibrahim Ugurlu , Erdal Kayacan

The growing integration of drones across commercial, industrial, and civilian domains has introduced significant cybersecurity challenges, particularly due to the susceptibility of drone networks to a wide range of cyberattacks. Existing…

Machine Learning · Computer Science 2026-03-24 Tarun Kumar Biswas , Ashrafun Zannat , Waqas Ishtiaq , Md. Alamgir Hossain

The forthcoming era of massive drone delivery deployment in urban environments raises a need to develop reliable control and monitoring systems. While active solutions, i.e., wireless sharing of a real-time location between air traffic…

Drones are not fully trusted yet. Their reliance on radios and cameras for navigation raises safety and privacy concerns. These systems can fail, causing accidents, or be misused for unauthorized recordings. Considering recent regulations…

Robotics · Computer Science 2021-12-14 Ricardo Ampudia Hernández , Talia Xu , Yanqiu Huang , Marco A. Zúñiga Zamalloa

Recent advances in camera equipped drone applications and their widespread use increased the demand on vision based object detection algorithms for aerial images. Object detection process is inherently a challenging task as a generic…

Computer Vision and Pattern Recognition · Computer Science 2020-12-25 Berat Mert Albaba , Sedat Ozer

The miniaturisation of sensors and processors, the advancements in connected edge intelligence, and the exponential interest in Artificial Intelligence are boosting the affirmation of autonomous nano-size drones in the Internet of Robotic…

Robotics · Computer Science 2025-05-09 Mattia Sartori , Chetna Singhal , Neelabhro Roy , Davide Brunelli , James Gross

Autonomous Unmanned Aerial Vehicles (UAVs) must reliably detect thin obstacles such as wires, poles, and branches to navigate safely in real-world environments. These structures remain difficult to perceive because they occupy few pixels,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Negar Fathi

Depth estimation-based obstacle avoidance has been widely adopted by autonomous systems (drones and vehicles) for safety purpose. It normally relies on a stereo camera to automatically detect obstacles and make flying/driving decisions,…

Cryptography and Security · Computer Science 2021-10-08 Ce Zhou , Qiben Yan , Yan Shi , Lichao Sun

As radar sensors are being miniaturized, there is a growing interest for using them in indoor sensing applications such as indoor drone obstacle avoidance. In those novel scenarios, radars must perform well in dense scenes with a large…

Drone-to-drone detection using visual feed has crucial applications, such as detecting drone collisions, detecting drone attacks, or coordinating flight with other drones. However, existing methods are computationally costly, follow…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Tushar Sangam , Ishan Rajendrakumar Dave , Waqas Sultani , Mubarak Shah

To safely navigate unknown environments, robots must accurately perceive dynamic obstacles. Instead of directly measuring the scene depth with a LiDAR sensor, we explore the use of a much cheaper and higher resolution sensor: programmable…

Machine Learning · Computer Science 2021-07-09 Siddharth Ancha , Gaurav Pathak , Srinivasa G. Narasimhan , David Held

With emerging online topics as a source for numerous new events, detecting unseen / rare event types presents an elusive challenge for existing event detection methods, where only limited data access is provided for training. To address the…

Computation and Language · Computer Science 2023-05-30 Zhenrui Yue , Huimin Zeng , Mengfei Lan , Heng Ji , Dong Wang

The proliferation of drones, or unmanned aerial vehicles (UAVs), has raised significant safety concerns due to their potential misuse in activities such as espionage, smuggling, and infrastructure disruption. This paper addresses the…

Signal Processing · Electrical Eng. & Systems 2024-11-08 Stefan Glüge , Matthias Nyfeler , Ahmad Aghaebrahimian , Nicola Ramagnano , Christof Schüpbach

An autonomous drone flying near obstacles needs to be able to detect and avoid the obstacles or it will collide with them. In prior work, drones can detect and avoid walls using data from camera, ultrasonic or laser sensors mounted either…

Robotics · Computer Science 2021-03-30 Jason Hughes , Damian Lyons

The increasing adoption of electric scooters (e-scooters) in urban areas has coincided with a rise in traffic accidents and injuries, largely due to their small wheels, lack of suspension, and sensitivity to uneven surfaces. While deep…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Zeyang Zheng , Arman Hosseini , Dong Chen , Omid Shoghli , Arsalan Heydarian

Landing safely in crowded urban environments remains an essential yet challenging endeavor for Unmanned Aerial Vehicles (UAVs), especially in emergency situations. In this work, we propose a risk-aware approach that harnesses semantic…

Drone detection is pivotal in numerous security and counter-UAV applications. However, existing deep learning-based methods typically struggle to balance robust feature representation with computational efficiency. This challenge is…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jun Yang , Dong Wang , Hongxu Yin , Hongpeng Li , Jianxiong Yu

Since the advent of mobile robots, obstacle detection has been a topic of great interest. It has also been a subject of study in neuroscience, where flying insects and bats could be considered two of the most interesting cases in terms of…