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The Autonomy of Unmanned Aerial Vehicles (UAVs) in indoor environments poses significant challenges due to the lack of reliable GPS signals in enclosed spaces such as warehouses, factories, and indoor facilities. Micro Aerial Vehicles…

Robotics · Computer Science 2025-04-09 Amit Kumar Singh , Prasanth Kumar Duba , P. Rajalakshmi

Performing autonomous exploration is essential for unmanned aerial vehicles (UAVs) operating in unknown environments. Often, these missions start with building a map for the environment via pure exploration and subsequently using (i.e.…

Machine Learning · Computer Science 2021-05-05 Ashley Peake , Joe McCalmon , Yixin Zhang , Daniel Myers , Sarra Alqahtani , Paul Pauca

Autonomous tracking of flying aerial objects has important civilian and defense applications, ranging from search and rescue to counter-unmanned aerial systems (counter-UAS). Ground based tracking requires setting up infrastructure, could…

In this paper we present a novel method for obstacle avoidance using the stereo camera. The conventional obstacle avoidance methods and their limitations are discussed. A new algorithm is developed for the real-time obstacle avoidance which…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Akkas Uddin Haque , Ashkan Nejadpak

How do you learn to navigate an Unmanned Aerial Vehicle (UAV) and avoid obstacles? One approach is to use a small dataset collected by human experts: however, high capacity learning algorithms tend to overfit when trained with little data.…

Robotics · Computer Science 2017-04-28 Dhiraj Gandhi , Lerrel Pinto , Abhinav Gupta

Deploying autonomous robots in crowded indoor environments usually requires them to have accurate dynamic obstacle perception. Although plenty of previous works in the autonomous driving field have investigated the 3D object detection…

Robotics · Computer Science 2024-02-28 Zhefan Xu , Xiaoyang Zhan , Yumeng Xiu , Christopher Suzuki , Kenji Shimada

Quadrotors hold significant promise for several applications such as agriculture, search and rescue, and infrastructure inspection. Achieving autonomous operation requires systems to navigate safely through complex and unfamiliar…

Robotics · Computer Science 2025-10-07 Jeffrey Mao , Raghuram Cauligi Srinivas , Steven Nogar , Giuseppe Loianno

Understanding the geometric and semantic properties of the scene is crucial in autonomous navigation and particularly challenging in the case of Unmanned Aerial Vehicle (UAV) navigation. Such information may be by obtained by estimating…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yara AlaaEldin , Francesca Odone

Unmanned Aerial Vehicle (UAV) spectral remote sensing technology is widely used in water quality monitoring. However, in dynamic environments, varying illumination conditions, such as shadows and specular reflection (sun glint), can cause…

Robotics · Computer Science 2026-03-23 Yuanshuang Fu , Qianyao Wang , Qihao Wang , Bonan Zhang , Jiaxin Zhao , Yiming Cao , Zhijun Li

Autonomous exploration of unknown environments with aerial vehicles remains a challenge, especially in perceptually degraded conditions. Dust, fog, or a lack of visual or LiDAR-based features results in severe difficulties for state…

Building a reliable and efficient collision avoidance system for unmanned aerial vehicles (UAVs) is still a challenging problem. This research takes inspiration from locusts, which can fly in dense swarms for hundreds of miles without…

Robotics · Computer Science 2019-04-16 Jiannan Zhao , Xingzao Ma , Qinbing Fu , Cheng Hu , Shigang Yue

Obstacle avoidance path planning for uncrewed aerial vehicles (UAVs), or drones, is rarely addressed in most flight path planning schemes, despite obstacles being a realistic condition. Obstacle avoidance can also be energy-intensive,…

Navigation underwater traditionally is done by keeping a safe distance from obstacles, resulting in "fly-overs" of the area of interest. Movement of an autonomous underwater vehicle (AUV) through a cluttered space, such as a shipwreck or a…

Quadrotors have demonstrated remarkable versatility, yet their full aerobatic potential remains largely untapped due to inherent underactuation and the complexity of aggressive maneuvers. Traditional approaches, separating trajectory…

Robotics · Computer Science 2025-06-02 Zhichao Han , Xijie Huang , Zhuxiu Xu , Jiarui Zhang , Yuze Wu , Mingyang Wang , Tianyue Wu , Fei Gao

A cooperative Sense and Avoid (SAA) algorithm for safe navigation of small-sized UAVs within an airspace is proposed in this paper. The proposed method relies upon cooperation between the UAV and the surrounding transponder-equipped…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Mostafa Mohammadkarimi , Raj Thilak Rajan

Localization is one of the most crucial tasks for Unmanned Aerial Vehicle systems (UAVs) directly impacting overall performance, which can be achieved with various sensors and applied to numerous tasks related to search and rescue…

Robotics · Computer Science 2024-11-05 Thanh Nguyen Canh , Huy-Hoang Ngo , Xiem HoangVan , Nak Young Chong

Unmanned aerial vehicles (UAVs) have become very popular for many military and civilian applications including in agriculture, construction, mining, environmental monitoring, etc. A desirable feature for UAVs is the ability to navigate and…

Robotics · Computer Science 2021-11-02 Taha Elmokadem

Nano-size drones hold enormous potential to explore unknown and complex environments. Their small size makes them agile and safe for operation close to humans and allows them to navigate through narrow spaces. However, their tiny size and…

Robotics · Computer Science 2024-10-28 Hanna Müller , Vlad Niculescu , Tommaso Polonelli , Michele Magno , Luca Benini

One of the most critical applications undertaken by coalitions of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) is reaching predefined targets by following the most time-efficient routes while avoiding collisions.…

Autonomous missions of small unmanned aerial vehicles (UAVs) are prone to collisions owing to environmental disturbances and localization errors. Consequently, a UAV that can endure collisions and perform recovery control in critical aerial…

Robotics · Computer Science 2024-06-04 Karishma Patnaik , Shatadal Mishra , Zachary Chase , Wenlong Zhang